square steel bars Size:60*60mm,90*90mm,100*100mm,130*130mm,etc Grade:SAE1045,S45C,41Cr4,SAE5140,SAE4140,SUP9,etc

square steel barsSize:60*60mm,90*90mm,100*100mm,130*130mm,etcGrade:SAE1045,S45C,41Cr4,SAE5140,SAE4140,SUP9,etcGrade:carbon steel,alloy steel

Finish: Hot Roll (HR),LF,VD

Inquire about special shapes and grade.

square steel bars