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Japanese SUS series austenitic stainless steel: SUSXM15J1
1. Overview
The stainless steel with a large amount of Si added to the 19Cr-13Ni composition system has excellent high temperature resistance and salt corrosion resistance.
2. Features
1) Excellent high-temperature fatigue performance;
2) Good high-temperature strength;
3) Excellent resistance to high-temperature salt corrosion;
4) Excellent workability;
5) Austenitic stainless steel, non-magnetic.
3. Scope of application:
Automobile exhaust bellows, incinerators, heater parts, flexible joints.
4. Chemical composition (JIS G 4305-2005) (wt%)
Chemical composition | C | Si | Mn | P | S | Cr | Ni |
| Standard | ￡0.08 | 3.0~5.0 | ￡2.00 | ￡0.045 | ￡0.030 | 15.00~20.00 | 11.5~15.0 |
| Generally | 0.045 | 3.5 | 0.6 | 0.022 | 0.001 | 19.50 | 13.30 |
5. Performance (JIS G 4305-2005)
Distinguishing | Mechanical performance | Note | |||
Ys (Mpa) | Ts (Mpa) | El (%) | Hv | ||
Standard | ≥ 205 | ≥ 520 | ≥ 40 | ≤ 200 | NO.2D/0.4t |
| General | 290 | 670 | 57 | 175 | |
6. Physical Performance
| Density (g/cm3) | Magnetic | specific heat 250C (J/kg.0C) | Thermal conductivity 1000C(W/m. 0C) | Thermal expansion rate 20~1000C (10-6/0C) |
| 7.75 | None | 500 | 16.3 | 13.8 |
7. Heat treatment
melting point : 1400~14300C;
solution treatment: 1010~11500C, quenching.
8. Use state
annealing and solid solution state: NO.1, 2D, 2B, etc.