JFE30-2
High oxidation resistant stainless steel
<Composition> 30Cr - 2Mo - ultra-low (C, N) (SUS447J1)
comparison of corrosion resistance
High corrosion resistance
- Chromium content increased to 22% for excellent corrosion resistance.
- A stainless steel that boasts outstanding weather resistance, even in coastal areas.
Applications
- Architectural exteriors, roofing materials, etc.
Chemical composition
| Type | Standards | Chemical composition (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JFE Standards | JIS Standards | Correspoding EN Standard | ASTM AISI equivalent |
C | Si | Mn | P | S | Cr | Mo | Other | |
| High corrosion resistance | JFE30-2 | SUS447J1 | ≤ 0.010 | ≤ 0.40 | ≤ 0.40 | ≤ 0.030 | ≤ 0.020 | 28.50 - 32.00 | 1.50 - 2.50 | N ≤ 0.015 Cu ≤ 0.20 |
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*Please feel free to consult us about your needs.
Please contact us if you need any special steels not listed above.
Yield strength testing is performed as and when specified.
Hardness is tested as Hv or HRB depending on thickness.
Mechanical properties
| Type | Standards | Mechanical properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| JFE Standards | JIS Standards | Correspoding EN Standard | ASTM AISI equivalent |
Tensile test | Hardness test | Bending test | |||||
| Yield strength N/mm² |
Tensile strength N/mm² |
Elongation (%) | Hv | HRB | Bending angle | Inside radius t : thickness |
|||||
| High corrosion resistance | JFE30-2 | SUS447J1 | ≥ 295 | ≥ 450 | ≥ 22 | ≤ 220 | ≤ 95 | 180° | 1.0 × t | ||
Physical properties
| Steel grade | Density | Electric Resistance *1 | Magnetism | Specific heat | Thermal conductivity | Thermal expansion coefficient | Young’s modulus | ||
|---|---|---|---|---|---|---|---|---|---|
| 0 - 100℃ | 100℃ | 500℃ | 20 - 100℃ | 20 - 650℃ | ×10³ | ||||
| g/cm³ | 10-6Ω・cm | (Annealed material) | J/kg・℃ (cal /g・℃) |
W /m・℃ (10-2cal /cm・sec・℃) |
10-6/℃ | N/mm² | |||
| JFE30-2 | 7.64 | 64 | Yes | 502 (0.12) |
18.8*1 (4.50) |
- | 9.6*2 | 11.1 | ≦ 230 |
<<Note>> Density in the above table is the actually measured value as a physical property.
In mass calculations for commercial transactions, JIS G 4310 “Method of Mass Calculation for Stainless Steel Plates and Sheets, and Heat-Resisting Steel Plates and Sheets” will apply.
In mass calculations for commercial transactions, JIS G 4310 “Method of Mass Calculation for Stainless Steel Plates and Sheets, and Heat-Resisting Steel Plates and Sheets” will apply.
*1：20℃ *2：0-300℃