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無縫方管，是四方四角的鋼管，由無縫鋼管冷拔擠壓成型的方型鋼管，無縫方管和焊接方管有著本質(zhì)的差別。鋼管具有中空截面，大量用作輸送流體的管道。

方管重量計算公式：4*壁厚*（邊長-壁厚）*0.00785

矩形管重量計算公式：（周長/3.14-壁厚）*壁厚*0.02466

常見無縫方管型號：

Q345A：C≤0.20，Mn ≤1.70，Si≤0.50，P...

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]]> 無縫方管 http://www.angryanddangerous.com/wufengfangguan/778.html 無縫方管外文名：Seamless square pipe

簡介：四方四角的鋼管形狀：中空截面

作用：輸送流體的管道工藝：擠壓或冷拔

工藝分類

無縫方管按生產(chǎn)工藝分：熱軋無縫方管、冷拔無縫方管、擠壓無縫方管、焊接方管。

其中焊接方管又分為

1、按工藝分——電弧焊方管、電阻焊方管(高頻、低頻)、氣焊方管、爐焊方管；

2、按焊縫分——直縫焊方管、螺旋焊方管。

材質(zhì)分類

無縫方管按材...

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方管重量計算公式：4*壁厚*（邊長-壁厚）*0.00785

矩形管重量計算公式：（周長/3.14-壁厚）*壁厚*0.02466

常見無縫方管型號：

Q345A：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；

Q345B：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；

Q345C：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.030，S≤0.030，Al≥0.015；

...]]> 無縫方管 http://www.angryanddangerous.com/wufengfangguan/780.html

方管重量計算公式：4*壁厚*（邊長-壁厚）*0.00785

矩形管重量計算公式：（周長/3.14-壁厚）*壁厚*0.02466

常見無縫方管型號：

Q345A：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；

Q345B：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.035，S≤0.035；

Q345C：C≤0.20，Mn ≤1.70，Si≤0.50，P≤0.030，S≤0.030，Al≥0.015；

...]]> 無縫方管 http://www.angryanddangerous.com/wufengfangguan/777.html

無縫方管是四方四角的鋼管，由無縫鋼管冷拔擠壓成型的方型鋼管，無縫方管和焊接方管有著本質(zhì)的差別。

中文名：無縫方管外文名：Seamless square pipe

簡介：四方四角的鋼管形狀：中空截面

作用：輸送流體的管道工藝：擠壓或冷拔

工藝分類

無縫方管按生產(chǎn)工藝分：熱軋無縫方管、冷拔無縫方管、擠壓無縫方管...

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