ASTM A36 A572
SS400
S235JR S355JR

A36 S20 S25 C20
25mm 30mm
1020 1045

Q235B Q345B Q420C Q460C
SS400 SS540 S235 S275 S355
A36 A572 G50 G60

ASTM A36 A572GR50
S235 S355JR JO
Q235B Q355B

A36 S20 S25 C20
25mm 30mm
1020 1045

DX51D DC01 SGCC SPCC

Q195, Q215,Q235,Q345,ST37
A36,45# ,16Mn,
SPHC,SGCC,CGCC

A572Gr50 A922GR50 S355JR
Q345,Q345B,Q345C,Q345D,Q345E,
ST12,ST13,ST14,ST37,SPCC,SPCD,SPCE,
DC01,DC02,DC03,

ASTM A36 A572
SS400
S235JR S355JR