Stainless and heat resisting steels
Austenitic Chromium Nickel Heat Resisting Steel
S31400
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AISI S31400 Details
AISI S31400 Standard Download
S31400 Datasheet
AISI S31400| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S31400 | Austenite | USA - AISI , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.25 | ||
| Si | 1.50 | 3.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 23.0 | 26.0 | ||
| Ni | 19.0 | 22.0 |
| 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) |
|---|---|---|---|---|---|---|
| 186 (≥) | 571 (≥) | 34 | 32 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
| 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 |
|---|---|---|---|---|---|---|---|
| 325 (≥) | 894 (≥) | 12 | 24 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 976 | 531 | 551 |
| 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 |
|---|---|---|---|
| 314 | YB | USA | Austenitic Heat Resisting Steel |
| 314 | UNS | USA | Special purpose alloys (superalloys) |
| A 270 314 | SAE | USA | Stainless steel bars and shapes |
| A 314 314 | SAE | USA | Stainless steel billets and bars intended only for forging |
| A 580 type 314 | SAE | USA | Stainless steel billets and bars intended only for forging |
| A 473 314 | SAE | USA | Austenitic stainless steel forgings for general use |
| S31400 | AISI | USA | Austenitic Chromium Nickel Heat Resisting Steel |
| G31410 | AISI | USA | Steel for intake valves |
| NV4(3140) | UNS | USA | Steel for intake valves |
| G31400 | AISI | USA | Steel for intake valves |
| 314S25 | B.S. | UK | Specification for stainless and heat-resisting steel round wire |
| X45Cr13 | DIN | Germany | Corrosion-resistant high-temperature steel |
| 1.3541 | DIN | Germany | Corrosion-resistant high-temperature steel |