GB/T 3091

GB/T 3091 (Welded steel pipes for low pressure fluid delivery)· GB (Chine) · 12 matériaux

Désignation Groupe de matériaux
Q195 Aciers de construction chevron_right
Q215A Aciers de construction chevron_right
Q215B Aciers de construction chevron_right
Q235A Aciers de construction chevron_right
Q235B Aciers de construction chevron_right
Q275A Aciers de construction chevron_right
Q275B Aciers de construction chevron_right
Q295A Aciers de construction chevron_right
Q295B Aciers de construction chevron_right
Q345A Aciers de construction chevron_right
Q345B Aciers de construction chevron_right
Q355B Aciers de construction chevron_right