Standard- und Stahlgrad des ERW geschweiß Ten Rohres:

ASTM A 53: Gr. A, GR B

BS: 1387, EN10217:   S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52

API 5L: A, B, X42, X46, X52, X56, X60, X65 X70

GB/T9711:   L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555

GB/T3091, SY/T5037, SY/T 5040, CJ/T 3022:   Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8