SAE 4135 / DIN1.7220 Alloy Steel Round Bar Description:

1. AISI 4135/JIS SCM435/GB 35CrMo/DIN 1.7220alloy

steel round bar

2. Hot rolled or forged condition, annealing, black or milled surface

3. Hardness: 210HBS max;

4. Hot rolled technology: EAF+LF+VD

Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface

5. Ultrasonic test standard: SPE1921-GR3, CLASS C/C

6. Production leadtime: 7~10 days

chemical component:

C 0.33-0.38

Si 0.15-0.35

Mn 0.70-0.90

Cr 0.80-1.10

P 0.035 max

S 0.035 max

Mo 0.15-0.25

Product Specification/Models

Hot rolled condition (mm)

16~205*2000~5800

Forged condition

150~600*2500~4000

Application

SAE 4135 Alloy Steel used for vehicles, engines and machines - axles, turbine components, chains, Forgings, Truck, turbine or rotor drive shafts, gearbox gears, axles, half-shafts for rear axle stays. Shafts of All types, gears and any components subject to fatigue stresses. etc.

Other Information

We specializes in plastic mould steel, hot work mould steel, cold work mould steel alloy steel and carbon structural steel, such as : P20, P20+Ni, 1.2714, 1.2083, 1.2316, H13, O1, D2, D3, D5, 1045, 1050, A3, 52100(EN31), 4137, 4140, 4340, 5140, 6150, 8620 and SCM420