304S31 Enquiry | Print this page
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- Type
- Steel grade
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- USE
- Grades
- Special Alloy
- » 304S31
X2CrNiM0CuN25-6-3
1.4507
X2CrNiM0N25-7-4
1.4410
X2CrNiM0CuWN25-7-4
1.4501
302S31
303S42
304S11
304S15 - UK
- austenitic special steel
Chemical composition % of the ladle analysis of grade 304S31
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
| Max 0.07 | Max 1.00 | Max 2.00 | Max 0.045 | Max 0.03 | 17.0-19.0 | 8.00-11.0 |
| 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) |
|---|---|---|---|---|---|---|
| 524 (≥) | 762 (≥) | 24 | 14 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
| 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 |
|---|---|---|---|---|---|---|---|
| 696 (≥) | 941 (≥) | 22 | 32 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 538 | 957 | 293 |
| 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 |
|---|---|---|---|
| 304S31 | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
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| HFS 304S31 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
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| LW 304S31 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
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| 304 S31 | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
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| HFS304 S31 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
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| LW304 S31 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |