Production Process Of 42CrMo4 Chrome Plated Bar For Hydraulic Cylinder

Production Process Of 42CrMo4 Chrome Plated Bar

42crmo4  chrome plated bar with a very important application as hydraulic cylinder piston rod.42CrMo4 chrome-plated bar is manufactured from low-alloy chromium-molybdenum steel and supported by an induction hardened case offering greater strength and resistance to mechanical damage from external impact. It is used in applications requiring greater yield strength in combination with greater surface impact resistance.other applications like Machine tools,Precision machining machines,Heavy cutting machines,Punching machines,Marble cutting machines,Automatic equipments,Grinding machines.

Chemical requirements

Grade C Si Mn P S Cr Mo Cu
4140 0.38~0.43 0.15~0.35 0.75~1.00 ≤0.035 ≤0.040 0.80~1.10 0.15~0.25 /
SCM440 0.38~0.43 0.15~0.35 0.60~0.85 ≤0.030 ≤0.030 0.90~1.20 0.90~1.20 ≤0.30
42CrMo4 0.38~0.45 ≤0.40 0.60~0.90 ≤0.035 ≤0.035 0.90~1.20 0.15~0.30 /
42CrMo 0.38~0.45 0.17~0.37 0.50~0.80 ≤0.030 ≤0.030 0.90~1.20 0.15~0.25 /


Production Process

Raw materials →heat treatment(normalizing+tempering) →Peeled/cold drawn/turned → Straightening →Cutting→ inspection → rough grinding 3 times → Straightening →Inspection →Precision grinding 2 times →Inspection →Polishing →Inspection → Chromeplating →Inspection →Polishing →Inspection →Packaged

hard chrome rod

Our main business range is listed as follows:

Carbon Seamless Steel pipe/tube

Hydraulic cylinder tube(Honed tube)

Hard chrome plated rod/bar/shaft(hydraulic piston rod)

Hydraulic cylinder

Chrome plated bars/chrome plated rods&shafting

Hollow chrome bars

4140 chrome plated bars&rods

1045 hard chrome bars