ASTM | EN/DIN |
API 5L:
GRB, GrBN, X52, X60, X65, X70, X80 |
1.0457 (StE240.7)
1.0484(StE290.7) / L290NB 1.0582(StE360.7) / L360NB 1.8972(StE415.7) / L415NB |