GB/T 42678

GB/T 42678 (Hot-rolled steel sections for petroleum and natural gas engineering)· GB (Chine) · 20 matériaux

Désignation Groupe de matériaux
Q275YQC Aciers de construction chevron_right
Q275YQD Aciers de construction chevron_right
Q275YQE Aciers de construction chevron_right
Q275YQL Aciers de construction chevron_right
Q355YQC Aciers de construction chevron_right
Q355YQD Aciers de construction chevron_right
Q355YQE Aciers de construction chevron_right
Q355YQL Aciers de construction chevron_right
Q390YQC Aciers de construction chevron_right
Q390YQD Aciers de construction chevron_right
Q390YQE Aciers de construction chevron_right
Q390YQL Aciers de construction chevron_right
Q420YQC Aciers de construction chevron_right
Q420YQD Aciers de construction chevron_right
Q420YQE Aciers de construction chevron_right
Q420YQL Aciers de construction chevron_right
Q460YQC Aciers de construction chevron_right
Q460YQD Aciers de construction chevron_right
Q460YQE Aciers de construction chevron_right
Q460YQL Aciers de construction chevron_right