1.4140 4340 alloy steel bar 2.high quailty 3.size:10mm-1000mm 4.42CrMo4,15B36Cr,8620,4140,4340 5.peeled+Q+T+UT

We Produce  the below hot rolled and hot forged 4140 4340 alloy steel bar.

1.Size:12mm-1000mm2.Grade:4340, 4140, S45CB,15B36Cr,15B21,40MnBH,4140,42CrMo4,SUP9,SCM440,15B31,GCr15 and so on

3.Deliver state:hot rolled or hot forged as per your choice

4140 4340 alloy steel round bar