Stock different materials of 140*140 square steel bar as follow materials:
20CrMo
35CrMo
Q195
M4
Supply other materials by 140*140 square steel bar,if you are interested,please connect us freely.
20CrMo
35CrMo
Q195
M4
Supply other materials by 140*140 square steel bar,if you are interested,please connect us freely.
Main Products
square/plate/round/roller steel billet