16MnCr5 Case Hardening Steel Manufacturer & Supplier
Low carbon chromium-manganese forging steel for gears and bearings that are case carburised after machining — a hard wear surface over a tough core. Forged blanks are supplied normalised so the gear shop can cut the teeth before carburising.
UNS: 16MnCr5 / 1.7131 | Category: Case Hardening Forgings
Size Range
Outer Diameter: Round 50-500 mm · forged weight 2 kg to 1.5 T
Chemical Composition (%)
| C | Cr | Mn | Si |
|---|---|---|---|
| 0.14-0.19 | 0.80-1.10 | 1.00-1.30 | 0.40 max |
Mechanical Properties
- Tensile Strength
- 780-1080 MPa (after case hardening)
- Yield Strength
- 590 MPa min
- Elongation
- 10% min
- Hardness
- 60-62 HRC case, 30-40 HRC core
Applicable Standards
- EN 10083-3
- EN 10250-3
- ASTM A829
- ASTM A388
- EN 10204 3.1
Applications
- Gear and pinion blanks
- Bearing races and ring blanks
- Camshaft and transmission parts
- Sprockets and splined shafts
- Wear-loaded machine components
Industries Served
- Heavy Engineering
- Automotive & Auto Components
- Cement & Mining
- Railways & Metro
- Pumps & Valves
- General Engineering
Equivalent Grades
- 1.7131
- 1.7131
- 16MnCr5
- 16MnCr5
- AISI 5115
- AISI 5115
- SCr415
- SCr415
- IS 16Mn5Cr4
- IS 16Mn5Cr4