| PIPES | FITTINGS | FLANGES | ||||
|---|---|---|---|---|---|---|
| Standard | ASTM/ASME Grade | Comment | Standard | Material | Standard | Material |
| A53 / A106 | Grade A | Carbon steel pipes | A234 | WPA | A105 | A105N |
| A106 / A210 | Grade B | WPB | ||||
| Grade C | WPC | |||||
| A335 / A209 | P1 / T1 | Alloy steel pipes/tubes | WP1 | A182 | F1 | |
| A335 / A213 | P5 / T5 | WP5 | F5 | |||
| P9 / T9 | WP9 | F9 | ||||
| P11 / T11 | WP11 | F11 | ||||
| P12 / T12 | WP12 | F12 | ||||
| P22 / T22 | WP22 | F22 | ||||
| P91 / T91 | WP91 | F91 | ||||
| P92 / T92 | WP92 | F92 | ||||
| A333 | Grade 3 | Low temperature pipes | A420 | WPL3 | A350 | LF3 |
| Grade 6 | WPL6 | |||||
