Stainless steel grade introduction: SUS 430J1L
1. Summary
Compared SUS 430J1L with 430, the Cr content is higher, Cu and Nb are added, and the C and N content is lower.
2. Features
1) Excellent processability;
2) Excellent weldability;
3) Excellent corrosion resistance;
4) Good high-temperature oxidation;
5) Magnetic;
6) Cannot be hardened by heat treatment.
3. Scope of application
1) For processing: kitchen utensils (pots, utensils, etc.), home appliances (washing machines, rice cookers, etc.);
2) Electronic parts; heat-resistant use: heat-resistant equipment, automobile exhaust pipe parts (Exhaust Manifold, Front Pipe, Muffler);
3) Exterior decoration: various profiles, building interior, and exterior decoration materials, railings.
4. Chemical composition (JIS G 4305-2005) (wt%)
Chemical composition | C | Si | Mn | P | S | Cr | Cu | N |
Standard | £0.025 | £1.0 | £1.0 | £0.040 | £0.030 | 16.0~20.0 | 0.3~0.8 | £0.025 |
| General | 0.009 | 0.45 | 0.20 | 0.020 | 0.003 | 19.20 | 0.50 | 0.009 |
5. Performance (JIS G 4305-2005)
Distinguish | Mechanical properties | |||
Ys (Mpa) | Ts (Mpa) | El (%) | Hv | |
Standard | ≥ 205 | ≥ 390 | ≥ 22 | ≤ 200 |
| General | 275 | 450 | 33 | 150 |
6. Physical properties
Density (g/cm3) | Magnetic | Specific heat250C (J/kg.0C) | Thermal conductivity 1000C (W/m. 0C) | Thermal expansion rate 20~1000C (10-6/0C) |
| 7.70 | With | 460 | 26.2 | 10.4 |
7. Heat treatment
Melting point: 1425~15100C;
Annealing: 800~10500C rapid cooling.
8. Use status
Annealing status:
NO.1, 2D, 2B, N0.4, HL, and various other surface treatment states.