EN 10132-3 Grade 25Mn4 – Soft‑Annealed, Skin‑Passed Steel Strips (Up to 6 mm)
Cold-rolled narrow strip made of the alloy steel 25Mn4 will be delivered in thicknesses up to 6 mm for quenching and tempering in following conditions: - soft annealed or soft annealed and little rerolled (+A or +LC), - cold rolled (+CR). The delivery condition annealed to globular carbides (+AC) can be agreed.
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for Medium Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for Medium Carbon Steel |
Elongation A80 | 20.0 °C | 20 % | |
Hardness, Rockwell B | 20.0 °C | 88 [-] | |
Hardness, Vickers | 20.0 °C | 180 [-] | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Medium Carbon Steel |
Shear modulus | 23.0 °C | 75 - 80 GPa | Typical for Carbon Steel |
Tensile strength | 20.0 °C | 590 MPa | |
Yield strength Rp0.2 | 20.0 °C | 460 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 1/K | Typical for Medium Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1380 - 1514 °C | Typical for Medium Carbon Steel | |
Specific heat capacity | 23.0 °C | 470 - 520 J/(kg·K) | Typical for Medium Carbon Steel |
Thermal conductivity | 23.0 °C | 21 - 52 W/(m·K) | Typical for Medium Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.23 - 0.28 % |
Chromium | 0.4 % |
Manganese | 0.95 - 1.15 % |
Molybdenum | 0.1 % |
Nickel | 0.4 % |
Phosphorus | 0.04 % |
Silicon | 0.4 % |
Sulfur | 0.035 % |
Metal
- EN 10132-4 Grade 125Cr2 – Soft Annealed Steel with Optional Skin Pass (+A/+A+LC)
- EN 10132-2 16MnCr5 Soft‑Annealed Strips for Case Hardening – Thin, High‑Strength
- EN 10132-3: Grade 34CrMo4 Soft-Annealed or Skin-Passed (A/LC) Strip
- EN 10132-3 Grade C40E Mild Steel Strip – Soft Annealed or Soft Annealed with Rerolled Skin (+A/+A+LC)
- 25CrMo4 Grade Steel – Soft Annealed or Skin‑Passed Strip (EN 10132‑3, +A / +A+LC)
- EN 10132-3 Grade C30E: Soft Annealed or Skin-Passed Cold-Rolled Steel Strip (up to 6 mm)
- EN 10132-3 Grade C35E Mild Steel Strip – Soft Annealed & Skin-Passed (+A, +A+LC)
- EN 10132-3 Grade C45E Soft-Annealed Mild Steel Strip – Premium Quality, Up to 6 mm
- EN 10132-4 Grade C125S Soft Annealed Steel – Ideal for Springs, Watches, and Precision Applications
- EN 10132-3 Grade C22E: Soft Annealed Steel Strip (up to 6 mm)