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AISI S31260 Details
AISI S31260 Standard Download
S31260 Application:Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Wolfram Stainless Steel
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | S31260 | Austenitic-Ferritic(Duplex steel) | USA - AISI , |
Chemical composition(wt.%) of S31260 grade:
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 1.00 | ||
| Si | - | 0.75 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 5.50 | 7.50 | ||
| Mo | 2.50 | 3.50 | ||
| N | 0.10 | 0.30 | ||
| Cu | 0.20 | 0.80 | ||
| W | 0.10 | 0.50 |
Mechanical properties of grade S31260
| 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) |
|---|---|---|---|---|---|---|
| 176 (≥) | 773 (≥) | 24 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
Physical properties of grade S31260
| 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 |
|---|---|---|---|---|---|---|---|
| 427 (≥) | 491 (≥) | 24 | 12 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 263 | 857 | 328 |
S31260 - 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 S31260 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 511 S31260 | SAE | USA | Seamless Stainless Steel Mechanical Tubing |
| A 789 S31260 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S31260 | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 928 S31260 | SAE | USA | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S31260 | SAE | USA | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| A 959 S31260 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S31260 | AISI | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Wolfram Stainless Steel |
| SA-240 S31260 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-789 S31260 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
| SA-790 S31260 | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
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