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Home > Seamless Steel Pipe Introduction > Material > Carbon & Alloy Steel > ASTM A234/A234M WPB/WPC/WP11
ASTM A234/A234M WPB/WPC/WP11 ASTM A420/A420M WPL6/WPL9 JIS SGP & PY400 DIN ST37.0 & ST35.8 ASTM A403 WP 304, 304L 316, 316L

For each reduction of 0.01% below the specified C maximum, an increase of 0.06%
Mn above the specified maximum will be permitted, up to a maximum of 1.35%.
(2) The sum of Cu, Ni, Cr, and Mo shall not exceed 1.00%.
(3) The sum of Cr and Mo shall not exceed 0.32%.
(4) The maximum carbon equivalent (C.E.) shall be 0.50, based on heat analysis and the formula C.E.=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

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