EN 1.4125 Steel X105CrMo17
Material X105CrMo17 (steel EN 1.4125) is a European standard high carbon martensitic stainless steel. Due to its high carbon, chromium and molybdenum content, it has high strength, good hardness, corrosion resistance, wear resistance and dimensional stability at high and low temperatures.
Datasheet and specifications
The following tables and lists provide the 1.4125 data sheet, including chemical composition, physical properties and mechanical properties, etc.
Chemical Composition of Steel X105CrMo17
The following table shows (1.4125) the chemical composition of X105CrMo17 steel
| Chemical composition (%) | |||||||||
| Standard | Steel Grade | W | Si (≤) | Mn (≤) | P (≤) | S (≤) | Cr | Mo | No |
| EN 10088-3 | X105CrMo17 (1.4125) |
0.95-1.20 | 1.00 | 1.00 | 0.040 | 0.030 | 4pm-6pm | 0.40-0.80 | – |
Mechanical Properties of Steel 1.4125
Material Brinell hardness: ≤285 HBW (annealed), thickness ≤100.
Physical properties
Grades:
- 10 -6 ·K -1 = 10 -6 /K
- 1Ω mm²/m = 1 μΩ m
- 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
- 1 GPa = 1kN/mm2
- 1 MPa = 1 N/mm2
| Physical properties | |
| Density, g/cm3 | 7.7 |
| Magnetic | Yes |
| Electrical resistivity, μΩ·m | 0.8 (20℃) |
| Specific heat capacity, J/(kg·K) | 430 (20℃) |
| Thermal conductivity, (W/m·K) | 15 (20℃) |
| Modulus of elasticity, Gpa | 215 (20℃) |
| 212 (100℃) | |
| 205 (200℃) | |
| 200 (300 ℃) | |
| 190 (400℃) | |
| Average coefficient of thermal expansion, (10 -6 /K) | 10.4 (20-100℃) |
| 10.8 (20-200℃) | |
| 11.2 (20-300℃) | |
| 11.6 (20-400℃) | |
Heat Treatment Specification
- Hot forming temperature: 1100-900°C (cooling: slow cooling)
- Annealing temperature: 780-840°C (cooling: oven, air).
Equivalence
European X105CrMo17, 1.4125 stainless steel equivalent to US ASTM, ISO, Japanese JIS and Chinese GB standards. (For reference)
| Steel equivalent X105CrMo17 (1.4125) | |||||||||
| European | USA | ISO | Japan | China | |||||
| Standard | Name (steel number) | Standard | Note | Standard | Note | Standard | Note | Standard | Note |
| EN 10088-2; EN 10088-3; | X105CrMo17 (1.4125) | AISI ASTM A276/A276M |
440°C | ISO 683-17 | X108CrMo17 | JIS G4303; JIS G4304; JIS G4305 | SUS 440C | GB/T 1220 | 9Cr18Mo |
