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JIS SUS 420J2 Details
JIS SUS 420J2 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SUS 420J2 | Martensite | Japan - JIS , G 4309 (1999) - Stainless steel wires |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.16 | 0.25 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.06 | ||
| S | - | 0.03 | ||
| Cr | 12.00 | 14.00 | ||
| Ni | - | 0.60 | ||
| Mo | - | - | ||
| N | - | - |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 592 (≥) | 329 (≥) | 22 | 21 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 373 (≥) | 522 (≥) | 22 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 215 | 864 | 341 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| SUS 420J 2FB | JIS | Japan | Stainless steel blooms and billets for forgings |
| SUS 420J 2TKA | JIS | Japan | Stainless steel pipes for machine and structural purposes |
| SUS 420J2 | JIS | Japan | Stainless steel bars |
| SUS 420J2 | JIS | Japan | Hot-rolled stainless steel plates, sheet and strip |
| SUS 420J2 | JIS | Japan | Cold-rolled stainless steel plate, sheet and strip |
| SUS 420J2 | JIS | Japan | Stainless steel wire rods |
| SUS 420J2 | JIS | Japan | Stainless steel wires |
| SUS 420J2 | JIS | Japan | Cold finished stainless steel bars |
| SUS 420J2-CSP | JIS | Japan | Cold rolled stainless steel strip for springs |