Standard |
Steel Grades |
API 5L |
PSL1: A, B, X42 ~ X70
PSL2: BM, X42M ~ X70M |
API 2W |
GRADE 60 |
ASTM A572 |
GRADE 42, GRADE 50, GRADE 55, GRADE 60, GRADE 65 |
ASTM A1018 |
GRADE 30, GRADE 33, GRADE 36, GRADE 40, GRADE 45, GRADE 50, GRADE 55, GRADE 60, GRADE 65, GRADE 70, GRADE 80 |
ASTM A252 |
GRADE 1, GRADE 2, GRADE 3, GRADE 3 *MOD |
ASTM A139 |
GRADE A, GRAE B, GRADE C, GRADE D, GRADE E |
GB/T 1591 |
GRADE Q345B ~ Q690 (A to E) |