1.3813, X40MnCrN19
1.3813 non-magnetic steels, rust and acid resistant. 1.3813 is often supplied in a hot-cold-formed version. In this treatment state, 1.3813 has a tensile strength of 830 – 1030 N/mm² and a yield point of at least 390 N/mm² at room temperature.Area of application connecting parts, mechanical engineering, mechanically and thermally highly stressed components in shipbuilding, mechanical engineering and vehicle construction as well as in electrical engineering These rolled round bars intended for the manufacture of shafts, arbors, pins and similar parts, acc. to TLV 9384 01, SEW 390, DIN Spec.
Chemical Composition
| Grade | Chemical composition WT % | ||||||
|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | N | |
| 1.3813, X40MnCrN19 | 0.03-0.50 | Max 0.87 | 17-19 | Max 0.10 | Max 0.03 | 3.0-5.0 | 0.08-0.12 |
Mechanical Properties
Cold Working
- Tensile strength Rm MPa: Min 830-1030
- Yield Strength Rp MPa: Min 490
- Akv J: Min 103
- A %: 35
Hot working
- Tensile strength Rm MPa: Min 830-1030
- Yield Strength Rp MPa: Min 390
- Akv J: Min 124
- A %: Min 40
Quenched
- Tensile strength Rm MPa: 740-930
- Yield Strength Rp MPa: Min 290
- Akv J: Min 124
- A %: Min 45
Cold Drawn
- Tensile strength Rm MPa: 850-1250
- Yield Strength Rp MPa: Min 550
- Akv J: Min 90
- A %: Min 20
- Z %: Min 35
- Hardness: 260-360 HB
Physical Properties
| Temp(℃) | GPa | MTEC | W/m·℃ | J/kg·℃ | Ωmm²/m | kg/dm³ | v |
|---|---|---|---|---|---|---|---|
| 400.0 | - | 18.70 | - | - | - | - | - |
| 300.0 | - | 17.90 | - | - | - | - | - |
| 200.0 | - | 17.10 | - | - | - | - | - |
| 100.0 | - | 16.00 | - | - | - | - | - |
| 20.0 | - | - | 14.00 | - | - | - | - |
| 20.0 | - | - | - | - | 0.70 | - | - |
| 20.0 | - | - | - | - | - | 7.70 | - |
| 20.0 | 195.00 | - | - | - | - | - | - |
Heat Treatment
Thermal Properties
Welding Properties
Machining Properties
Similar or Equivalents Steel Grade
X40MnCrN19, 1.3813, X40MnCrN18, X2CrNiMoN-18-14-3, X2CrNiMnMoNNb21-16-5-3, 1.3964, 1.3952, 1.3817