16CrMo44|DIN 1.7337 steel Manufacturer and Exporter,supplied with round,square,flat,block,and shaft etc.16CrMo44 is a low carbon steel containing chromium and molybdenum as strengthening elements which is similiar like Chinese grade 15CrMo.As pearlitic structure heat resistant steel,it has high hot strength and oxidation resistance when in high temperature,and it also has good welding property.16CrMo44 is generally used in the quenched and tempered condition.

16CrMo44 steel

1.Supply Form & Size & Tolerance

Supply FormSize(mm)ProcessTolerance



Round
Φ6-Φ100Cold DrawnBright/Black Best H11

Φ16-Φ350

Hot Rolled
Black-0/+1mm
Peeled/ground Best H11

Φ90-Φ1000

Hot Forged
Black-0/+5mm
Rough Turned-0/+3mm

Flat/Square/Block
Thickness :120-800
Hot Forged
Black-0/+8mm
Width:120-1500
Rough Machined-0/+3mm

Remark:Tolerance can be customized as per requests

2.Chemical Composition

StandardGradeCMnPSSiCrMo

DIN
16CrMo44
0.13-0.2

0.5-0.8

≤ 0.025

≤ 0.035

0.15-0.35

0.9-1.2

0.4-0.5
1.7337
GB/T 307715CrMo0.12-0.18 0.4-0.7 ≤ 0.035 ≤ 0.035 0.17-0.370.8-1.10.4-0.55

3.Physical Property

Density, g/cm37.85
Modulus of elasticity Gpa210

4. Mechanical Property

Tensile Strength Mpa Yield Strength MpaElongation %Reduction of Area %Impact Charpy-V, JHardness HB
74063522.56580220-260

5.Forging

DIN1.7337 |16CrMo44 forging temperature:850 – 1100°C

6.Heat Treatment

  • Normalizing:  850 – 880°C,Cooling in air
  • Soft Annealing:650 – 680°C,Cooling in furnace
  • Stress relieve:450-650°C ,appr. 50 °C under tempering temperature
  • Hardening:900 – 950°C,Quenching in oil
  • Tempering:650 – 720°C,Cooling in air

7.Application

DIN1.7337 |16CrMo44 is widely used in petroleum ,petrifaction , high pressure boiler. Specialized purpose of seamless tube.Component parts for steam boilers and turbines, shafts for higher temperature ranges.