Low temp:A420 WPL6,WPL3,WPL8,WPL9
Alloy Steel:A234 WP11,WP22,WP5,WP9,WP91
| Category | ASTM /API/ MSS Material Specification | |||||
| Wrought Fittings | Seamless Pipe | Plate | FORGNG(BAR) | Welded Pipe | ||
| AS | Carbon-Molybdenum | A234 WP1 | A335P1 | A204 Gr.B | A182Gr.F1 | A691 Gr. CM-7O |
| 1%Cr-1/2% Molybdenum | A234 WP12 | A335P12 | A387 Gr.12 | A182Gr.F12 | A691 Gr.1Cr | |
| 1 1/4%Cr-1/2% Molybdenum | A234 WP11 | A335P11 | A387 Gr.11 | A182Gr.F11 | A691 Gr.1 1/4Cr | |
| 2 1/4%Cr-1% Molybdenum | A234 WP22 | A335P22 | A387 Gr.22 | A182Gr.F22 | A691 Gr.2 1/4Cr | |
| 5 %Cr-1/2% Molybdenum | A234 WP5 | A335P5 | A387 Gr.5 | A182Gr.F5 | A691 Gr.5Cr | |
| 9 %Cr-1% Molybdenum | A234 WP9 | A335P9 | - | A182Gr.F9 | A691 Gr.9Cr | |
| 9 %Cr-1%Mo-0.2%V+Cb+N | A234 WP91 | A335P91 | A387 Gr.91 | A182Gr.F91 | A691 Gr. 91 | |
