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AISI S31040 Details
AISI S31040 Standard Download
S31040 Application:Austenitic Chromium Nickel Heat Resisting Steel
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S31040 | Austenite | USA - AISI , |
Chemical composition(wt.%) of S31040 grade:
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.50 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 19.00 | 22.00 | ||
| Mo | - | - | ||
| Nb+Ta | 10×C％ | 1.10 |
Austenitic Chromium Nickel Heat Resisting Steel
Mechanical properties of grade S31040
| 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) |
|---|---|---|---|---|---|---|
| 715 (≥) | 644 (≥) | 41 | 31 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
Physical properties of grade S31040
| 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 |
|---|---|---|---|---|---|---|---|
| 252 (≥) | 172 (≥) | 32 | 41 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 494 | 236 | 186 |
S31040 - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 240 S31040 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S31040 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 S31040 | SAE | USA | Stainless Steel Bars and Shapes |
| A 358 S31040 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 S31040 | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 478 S31040 | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 814 S31040 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| S31040 | AISI | USA | Austenitic Chromium Nickel Heat Resisting Steel |
| SA-240 S31040 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-249 S31040 | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| SA-813 S31040 | AMS | USA | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
| SA-814 S31040 | AMS | USA | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |
| 310SCb | YB | USA | Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| 310Cb | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| A 167 Type 310Cb | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 213 TP310Cb | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 310Cb | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 TP310Cb | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 310Cb | SAE | USA | Stainless Steel Bars and Shapes |
| A 312 TP310Cb | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
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