EN 10216-2 X11CrMo9-1+I Introduce
In the machinery and engineering industry, EN 10216-2 X11CrMo9-1+I is an alloy steel used for precision engineering. It is highly resistant to wear and tear and offers excellent machinability. It is particularly suitable for machining parts such as castings, forgings, and tubes, and it can also be used in a wide range of applications such as automotive parts, medical equipment, heavy-duty industrial machinery and more.
Smelting temperature:1814°C - 1442°C
Application:Pressure steel - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes
EN 10216-2 X11CrMo9-1+I Material Chemical Composition
The chemical composition of the EN 10216-2 X11CrMo9-1+I steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.0800 | 0.1500 |
| Manganese (Mn) | 0.3000 | 0.6000 |
| PhOsphorus (P) | - | 0.0250 |
| Sulfur (S) | - | 0.0100 |
| Silicon (Si) | 0.2500 | 1.0000 |
| Chromium (Cr) | 8.0000 | 10.0000 |
| Molybdenum (Mo) | 0.9000 | 1.1000 |
| Copper (Cu) | - | 0.3000 |
| Aluminum (Al) | - | 0.0400 |
EN 10216-2 X11CrMo9-1+I Material Mechanical Properties
The mechanical properties of the EN 10216-2 X11CrMo9-1+I steel are as follows:
| YieldRp0.2 | ≤ 755 (MPa) |
| TeileRm | ≤ 886 (MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 411 |
EN 10216-2 X11CrMo9-1+I Material Thermal Properties
The thermal performance parameters of the EN 10216-2 X11CrMo9-1+I steel are as follows:
| Temperature (°C) | 12 | 792 | 734 |
| Modulus of elasticity (GPa) | - | 839 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 132 |
| Poisson’s coefficient, ν | - | - | 423 |