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		<h1>Thép Ống Đúc Carbon ASTM A53</h1>
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			<h1 style="text-align: center;">&nbsp;</h1>

<div style="text-align:center"><img alt="Thép Ống Đúc Carbon ASTM A53" height="600" src="https://theplegiang.com/uploads/news/2020/thep-ong-duc-carbon-astm-a53_1.jpg" width="800" /></div>

<h1 style="text-align: center;"><br  />
<a href="https://theplegiang.com/">Thép Ống Đúc Carbon ASTM A53</a></h1>

<h3>1. Đặc điểm</h3>

<ul>
	<li>
	<p>&nbsp;Chủng loại:&nbsp;<em>Thép ống đúc&nbsp;ASTM A53 Grade A, B</em></p>
	</li>
	<li>
	<p>&nbsp;Thành phần chủ yếu của&nbsp;<strong>Thép Ống Đúc Carbon ASTM A53</strong>&nbsp;Gr A.B&nbsp;là hợp kim thép carbon.</p>
	</li>
	<li>
	<p>&nbsp;Đặc tính kỹ thuật: Theo&nbsp;tiêu chuẩn ASTM&nbsp;A53 . Đây là tiêu chuẩn kỹ thuật được áp dụng cho cả&nbsp;thép ống hàn&nbsp;lẫn thép ống đúc.</p>
	</li>
</ul>

<p><strong>Thép Ống Đúc Carbon ASTM A53</strong>&nbsp;có NPS ( kích thước ống danh định) 1/8″ đến &nbsp;26″ được dùng trong các ứng dụng cơ khí, chịu áp lực và được sử dụng chủ yếu trong các ống dẫn hơi, chất lỏng, khí đốt……</p>

<p><strong>Thép Ống Đúc Carbon ASTM A53</strong>&nbsp;có 3 kiểu (F, E, S) và 2 Grade (A, B)</p>

<ul>
	<li>
	<p>A53 Type F được sản xuất bằng cách hàn thằng hoặc hàn xoắn (chỉ có grade A).</p>
	</li>
	<li>
	<p>A53 Type E có 1 lớp hàn tĩnh điện (Grades A và B).</p>
	</li>
	<li>
	<p>A53 Type S là ống đúc (Grade A và B).</p>
	</li>
</ul>

<p>Thép Ống Đúc Carbon ASTM A53&nbsp;là loại được sử dụng thông dụng nhất bởi đặc tính kỹ thuật của nó và&nbsp;<strong>Thép Ống Đúc Carbon ASTM A53</strong>&nbsp;thì thường đi kèm với&nbsp;<strong>ống thép đúc tiêu chuẩn ASTM A106</strong><strong>.</strong></p>

<p>Tiêu chuẩn ASTM A53&nbsp;được lập bởi Tổ chức tiêu chuẩn quốc tế ASTM, một tổ chức quốc tế chuyên&nbsp;phát triển tiêu chuẩn xây dựng, các tiêu chuẩn kỹ thuật cho các lại vật liệu, sản phẩm, hệ thống và dịch vụ của Mỹ.</p>

<p>&nbsp;<strong>THÀNH PHẦN HÓA HỌC&nbsp;CỦA&nbsp;THÉP ỐNG ĐÚC CARBON ASTM A53:</strong></p>

<table border="0" cellpadding="0" cellspacing="0" width="861">
	<tbody>
		<tr height="21">
			<td height="41" rowspan="2" style="text-align: center;" width="221"><strong>THÉP ỐNG ĐÚC CARBON&nbsp;ASTM A53</strong></td>
			<td rowspan="2" style="text-align: center;" width="64">Grade</td>
			<td rowspan="2" style="text-align: center;" width="64">C Max</td>
			<td rowspan="2" style="text-align: center;" width="64">Mn max</td>
			<td rowspan="2" style="text-align: center;" width="64">P max</td>
			<td rowspan="2" style="text-align: center;" width="64">S max</td>
			<td rowspan="2" style="text-align: center;" width="64">Cu max</td>
			<td rowspan="2" style="text-align: center;" width="64">Ni max</td>
			<td rowspan="2" style="text-align: center;" width="64">Cr max</td>
			<td rowspan="2" style="text-align: center;" width="64">Mo max</td>
			<td rowspan="2" style="text-align: center;" width="64">V max</td>
		</tr>
		<tr height="20" style="text-align: center;">
		</tr>
		<tr height="43">
			<td height="71" rowspan="2" style="text-align: center;" width="221">Type S (Seamless)&nbsp;</td>
			<td style="text-align: center;" width="64">A</td>
			<td style="text-align: center;" width="64">0.25</td>
			<td style="text-align: center;" width="64">0.95</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.15</td>
			<td style="text-align: center;" width="64">0.08</td>
		</tr>
		<tr height="28">
			<td height="28" style="text-align: center;" width="64">B</td>
			<td style="text-align: center;" width="64">0.3</td>
			<td style="text-align: center;" width="64">1.2</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.15</td>
			<td style="text-align: center;" width="64">0.08</td>
		</tr>
		<tr height="28">
			<td height="58" rowspan="2" style="text-align: center;" width="221">Type E (Electric-resistance welded)&nbsp;</td>
			<td style="text-align: center;" width="64">A</td>
			<td style="text-align: center;" width="64">0.25</td>
			<td style="text-align: center;" width="64">0.95</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.15</td>
			<td style="text-align: center;" width="64">0.08</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;" width="64">B</td>
			<td style="text-align: center;" width="64">0.3</td>
			<td style="text-align: center;" width="64">1.2</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.15</td>
			<td style="text-align: center;" width="64">0.08</td>
		</tr>
		<tr height="33">
			<td height="33" style="text-align: center;" width="221">Type F (Furnace-welded)</td>
			<td style="text-align: center;" width="64">A</td>
			<td style="text-align: center;" width="64">0.3</td>
			<td style="text-align: center;" width="64">1.2</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.05</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.4</td>
			<td style="text-align: center;" width="64">0.15</td>
			<td style="text-align: center;" width="64">0.08</td>
		</tr>
	</tbody>
</table>

<p><strong>&nbsp;TÍNH CHẤT&nbsp;CƠ HỌC CỦA&nbsp;THÉP ỐNG ĐÚC CARBON ASTM A53</strong></p>

<table border="0" cellpadding="0" cellspacing="0" width="530">
	<tbody>
		<tr height="25">
			<td height="25" style="text-align: center;" width="299">&nbsp;<strong>THÉP ỐNG ĐÚC CARBON&nbsp;ASTM A53 Grade</strong></td>
			<td style="text-align: center;" width="110"><strong>A</strong></td>
			<td style="text-align: center;" width="121"><strong>B</strong></td>
		</tr>
		<tr height="24">
			<td height="24" style="text-align: center;">Tensile Strength, min., psi, (MPa)</td>
			<td style="text-align: center;">&nbsp; 48,000 (330)&nbsp;</td>
			<td style="text-align: center;">&nbsp;60,000 (415)&nbsp;</td>
		</tr>
		<tr height="24">
			<td height="24" style="text-align: center;">Yield Strength, min., psi, (MPa)&nbsp;</td>
			<td style="text-align: center;">&nbsp; 30,000 (205)&nbsp;</td>
			<td style="text-align: center;">&nbsp;35,000 (240)&nbsp;&nbsp;</td>
		</tr>
		<tr height="25">
			<td height="25" style="text-align: center;">Elongation (%)</td>
			<td style="text-align: center;">&gt; 29.5</td>
			<td style="text-align: center;">&gt;29.5</td>
		</tr>
	</tbody>
</table>

<h2><a href="https://theplegiang.com/">2. Ứng dụng:</a></h2>

<p><strong><em>Thép ống đúc carbon&nbsp;ASTM&nbsp;A53</em></strong>&nbsp;chuyên &nbsp;dùng cho hệ thống đường ống công nghiệp như:</p>

<ul>
	<li>
	<p>Hệ thống điện lạnh</p>
	</li>
	<li>
	<p>Công nghệ đóng tàu</p>
	</li>
	<li>
	<p>Hệ thống lò hơi</p>
	</li>
	<li>
	<p>Các công trình công nghệ cao..vv…</p>
	</li>
</ul>

<h3 style="text-align: center;"><a href="https://theplegiang.com/thep-ong-duc-thep-ong-han/"><strong><em><u>BẢNG QUY CÁCH THÉP ỐNG ĐÚC CARBON&nbsp;ASTM A53:</u></em></strong></a></h3>

<table border="0" cellpadding="0" cellspacing="0" width="973">
	<tbody>
		<tr height="20">
			<td height="64" rowspan="2" style="text-align: center;" width="156"><strong>TÊN SẢN PHẨM</strong></td>
			<td colspan="3" style="text-align: center;" width="142"><strong>ĐƯỜNG KÍNH</strong></td>
			<td colspan="13" style="text-align: center;" width="675"><strong>TIÊU CHUẨN ĐỘ DÀY ( SCH )</strong></td>
		</tr>
		<tr height="44">
			<td height="44" style="text-align: center;" width="36"><strong>DN</strong></td>
			<td style="text-align: center;" width="52"><strong>INCH</strong></td>
			<td style="text-align: center;" width="54"><strong>OD (mm)</strong></td>
			<td style="text-align: center;" width="45"><strong>10</strong></td>
			<td style="text-align: center;" width="45"><strong>20</strong></td>
			<td style="text-align: center;" width="54"><strong>30</strong></td>
			<td style="text-align: center;" width="54"><strong>40</strong></td>
			<td style="text-align: center;" width="45"><strong>STD</strong></td>
			<td style="text-align: center;" width="54"><strong>60</strong></td>
			<td style="text-align: center;" width="54"><strong>80</strong></td>
			<td style="text-align: center;" width="54"><strong>XS</strong></td>
			<td style="text-align: center;" width="54"><strong>100</strong></td>
			<td style="text-align: center;" width="54"><strong>120</strong></td>
			<td style="text-align: center;" width="54"><strong>140</strong></td>
			<td style="text-align: center;" width="54"><strong>160</strong></td>
			<td style="text-align: center;" width="54"><strong>XXS</strong></td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">8</td>
			<td style="text-align: center;">1/4</td>
			<td style="text-align: center;">13.7</td>
			<td style="text-align: center;">1.65</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">1.85</td>
			<td style="text-align: center;">2.24</td>
			<td style="text-align: center;">2.24</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.02</td>
			<td style="text-align: center;">3.02</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">10</td>
			<td style="text-align: center;">3/8</td>
			<td style="text-align: center;">17.1</td>
			<td style="text-align: center;">1.65</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">1.85</td>
			<td style="text-align: center;">2.31</td>
			<td style="text-align: center;">2.31</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.20</td>
			<td style="text-align: center;">3.20</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">15</td>
			<td style="text-align: center;">1/2</td>
			<td style="text-align: center;">21.3</td>
			<td style="text-align: center;">2.11</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">2.41</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.73</td>
			<td style="text-align: center;">3.73</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.78</td>
			<td style="text-align: center;">7.47</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">20</td>
			<td style="text-align: center;">3/4</td>
			<td style="text-align: center;">26.7</td>
			<td style="text-align: center;">2.11</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">2.41</td>
			<td style="text-align: center;">2.87</td>
			<td style="text-align: center;">2.87</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.91</td>
			<td style="text-align: center;">3.91</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">5.56</td>
			<td style="text-align: center;">7.82</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">25</td>
			<td style="text-align: center;">1</td>
			<td style="text-align: center;">33.4</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">2.90</td>
			<td style="text-align: center;">3.38</td>
			<td style="text-align: center;">3.38</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.55</td>
			<td style="text-align: center;">4.55</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">9.09</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">32</td>
			<td style="text-align: center;">1 1/4</td>
			<td style="text-align: center;">42.2</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">2.97</td>
			<td style="text-align: center;">3.56</td>
			<td style="text-align: center;">3.56</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.85</td>
			<td style="text-align: center;">4.85</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">9.70</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">40</td>
			<td style="text-align: center;">1 1/2</td>
			<td style="text-align: center;">48.3</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.18</td>
			<td style="text-align: center;">3.68</td>
			<td style="text-align: center;">3.68</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">5.08</td>
			<td style="text-align: center;">5.08</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">7.14</td>
			<td style="text-align: center;">10.15</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">50</td>
			<td style="text-align: center;">2</td>
			<td style="text-align: center;">60.3</td>
			<td style="text-align: center;">2.77</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">3.18</td>
			<td style="text-align: center;">3.91</td>
			<td style="text-align: center;">3.91</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">5.54</td>
			<td style="text-align: center;">5.54</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">8.74</td>
			<td style="text-align: center;">11.07</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">65</td>
			<td style="text-align: center;">2 1/2</td>
			<td style="text-align: center;">73.0</td>
			<td style="text-align: center;">3.05</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.78</td>
			<td style="text-align: center;">5.16</td>
			<td style="text-align: center;">5.16</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">7.01</td>
			<td style="text-align: center;">7.01</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">14.02</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">80</td>
			<td style="text-align: center;">3</td>
			<td style="text-align: center;">88.9</td>
			<td style="text-align: center;">3.05</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.78</td>
			<td style="text-align: center;">5.49</td>
			<td style="text-align: center;">5.49</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">7.62</td>
			<td style="text-align: center;">7.62</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">11.13</td>
			<td style="text-align: center;">15.24</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">90</td>
			<td style="text-align: center;">3 1/2</td>
			<td style="text-align: center;">101.6</td>
			<td style="text-align: center;">3.05</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.78</td>
			<td style="text-align: center;">5.74</td>
			<td style="text-align: center;">5.74</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">8.08</td>
			<td style="text-align: center;">8.08</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">100</td>
			<td style="text-align: center;">4</td>
			<td style="text-align: center;">114.3</td>
			<td style="text-align: center;">3.05</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">4.78</td>
			<td style="text-align: center;">6.02</td>
			<td style="text-align: center;">6.02</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">8.56</td>
			<td style="text-align: center;">8.56</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">11.13</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">13.49</td>
			<td style="text-align: center;">17.12</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">125</td>
			<td style="text-align: center;">5</td>
			<td style="text-align: center;">141.3</td>
			<td style="text-align: center;">3.40</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">6.55</td>
			<td style="text-align: center;">6.55</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">15.88</td>
			<td style="text-align: center;">19.05</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">150</td>
			<td style="text-align: center;">6</td>
			<td style="text-align: center;">168.3</td>
			<td style="text-align: center;">3.40</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">7.11</td>
			<td style="text-align: center;">7.11</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">10.97</td>
			<td style="text-align: center;">10.97</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">14.27</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">18.26</td>
			<td style="text-align: center;">21.95</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">200</td>
			<td style="text-align: center;">8</td>
			<td style="text-align: center;">219.1</td>
			<td style="text-align: center;">3.76</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">7.04</td>
			<td style="text-align: center;">8.18</td>
			<td style="text-align: center;">8.18</td>
			<td style="text-align: center;">10.31</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">15.09</td>
			<td style="text-align: center;">18.26</td>
			<td style="text-align: center;">20.62</td>
			<td style="text-align: center;">23.01</td>
			<td style="text-align: center;">22.23</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Thép ống đúc carbon ASTM A53</td>
			<td style="text-align: center;">250</td>
			<td style="text-align: center;">10</td>
			<td style="text-align: center;">273.0</td>
			<td style="text-align: center;">4.19</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">7.80</td>
			<td style="text-align: center;">9.27</td>
			<td style="text-align: center;">9.27</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">15.09</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">18.26</td>
			<td style="text-align: center;">21.44</td>
			<td style="text-align: center;">25.40</td>
			<td style="text-align: center;">28.58</td>
			<td style="text-align: center;">25.40</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép&nbsp;đúc carbon ASTM A53</td>
			<td style="text-align: center;">300</td>
			<td style="text-align: center;">12</td>
			<td style="text-align: center;">323.8</td>
			<td style="text-align: center;">4.57</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">8.38</td>
			<td style="text-align: center;">10.31</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">14.27</td>
			<td style="text-align: center;">17.48</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">21.44</td>
			<td style="text-align: center;">25.40</td>
			<td style="text-align: center;">28.58</td>
			<td style="text-align: center;">33.32</td>
			<td style="text-align: center;">25.40</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép đúc carbon&nbsp;&nbsp;ASTM A53</td>
			<td style="text-align: center;">350</td>
			<td style="text-align: center;">14</td>
			<td style="text-align: center;">355.6</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">7.92</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">11.13</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">15.09</td>
			<td style="text-align: center;">19.05</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">23.83</td>
			<td style="text-align: center;">27.79</td>
			<td style="text-align: center;">31.75</td>
			<td style="text-align: center;">35.71</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép&nbsp;đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">400</td>
			<td style="text-align: center;">16</td>
			<td style="text-align: center;">406.4</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">7.92</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">16.66</td>
			<td style="text-align: center;">21.44</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">26.19</td>
			<td style="text-align: center;">30.96</td>
			<td style="text-align: center;">36.53</td>
			<td style="text-align: center;">40.49</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">450</td>
			<td style="text-align: center;">18</td>
			<td style="text-align: center;">457</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">7.92</td>
			<td style="text-align: center;">11.13</td>
			<td style="text-align: center;">14.29</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">19.09</td>
			<td style="text-align: center;">23.83</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">29.36</td>
			<td style="text-align: center;">34.93</td>
			<td style="text-align: center;">39.67</td>
			<td style="text-align: center;">45.24</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">500</td>
			<td style="text-align: center;">20</td>
			<td style="text-align: center;">508</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">15.08</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">20.62</td>
			<td style="text-align: center;">26.19</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">32.54</td>
			<td style="text-align: center;">38.10</td>
			<td style="text-align: center;">44.45</td>
			<td style="text-align: center;">50.01</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">550</td>
			<td style="text-align: center;">22</td>
			<td style="text-align: center;">559</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">-</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">22.23</td>
			<td style="text-align: center;">28.58</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">34.93</td>
			<td style="text-align: center;">41.28</td>
			<td style="text-align: center;">47.63</td>
			<td style="text-align: center;">53.98</td>
			<td style="text-align: center;">-</td>
		</tr>
		<tr height="30">
			<td height="30" style="text-align: center;">Ống thép đúc carbon&nbsp;ASTM A53</td>
			<td style="text-align: center;">600</td>
			<td style="text-align: center;">24</td>
			<td style="text-align: center;">610</td>
			<td style="text-align: center;">6.35</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">14.27</td>
			<td style="text-align: center;">17.48</td>
			<td style="text-align: center;">9.53</td>
			<td style="text-align: center;">24.61</td>
			<td style="text-align: center;">30.96</td>
			<td style="text-align: center;">12.70</td>
			<td style="text-align: center;">38.89</td>
			<td style="text-align: center;">46.02</td>
			<td style="text-align: center;">52.37</td>
			<td style="text-align: center;">59.54</td>
			<td style="text-align: center;">-</td>
		</tr>
	</tbody>
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