Alloy R41 | ||||||||||||
Chemical composition | ||||||||||||
C | Cr | Ni | Co | Mo | Al | Ti | B | Zr | S | P | Mn | Si |
0.06-0.12 | 18.0-20.0 | Remainder | 10.0-12.0 | 9.0-10.5 | 1.40-1.80 | 3.0-3.5 | ≤5.0 | 0.003-0.010 | ≤0.07≤0.0150 | ≤0.015 | ≤0.5 | ≤0.50 |
Mecanical Performance | |||||
Specification | θ/℃ | Σb/MPa | σ0.2/MPa | δ5% | ψ/% |
Fastener | 20 | ≥1070 | - | ≥8 | ≥10 |
760 | ≥870 |
| ≥8 | ≥10 | |
Bar | 20 | ≥1175 | ≥880 | ≥12 | ≥12 |
800 | ≥735 | ≥635 | ≥15 | ≥20 | |
Plate/strip | 20 | ≤1170 | ≥690 | ≤30 |
|
Circle/cake forging | 20 | ≥835 | ≥620 | ≥12 | ≥15 |
Physical Performance | |||
Melting point | Density | Hardness | Magnetism |
1316-1371℃ | 8.27g/cm3 | ≤363(HBS) | <1.002 H/m |
Alloy R41 Shaping Property:
The steel ingot should be homogenized before forging and the heating temperature is 1100~1180℃.
Alloy R41 Part Heat Treatment Process:
At lower temperature, the parts are required to have high tensile strength and fatigue performance, 1080℃ and air cooling+760℃, 16H, air cooling.
When working at high temperature, it is required that the material has high thermal intensity, and the heat treatment specification is 1180℃ air cooling +900℃ 4H, air cooling.
Alloy R41 Welding Technology:
The alloy can be welded by welding, diffusion welding and friction welding.
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