Stainless and heat resisting steels
Specifying harmonized standard grade compositions for wrought stainless steels
A 959 S31266
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A 959 S31266 Datasheet
SAE A 959 S31266| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 959 S31266 | Austenite | USA - SAE , ASTM A 959 - Specifying harmonized standard grade compositions for wrought stainless steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.030 | ||
| Si | - | 1.00 | ||
| Mn | 2.00 | 4.00 | ||
| P | - | 0.035 | ||
| S | - | 0.02 | ||
| Cr | 23.0 | 25.0 | ||
| Ni | 21.0 | 24.0 | ||
| Mo | 5.00 | 7.00 | ||
| Cu | 0.50 | 3.00 | ||
| N | 0.35 | 0.60 | ||
| W | 1.00 | 3.00 |
| 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) |
|---|---|---|---|---|---|---|
| 134 (≥) | 974 (≥) | 24 | 31 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
| 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 |
|---|---|---|---|---|---|---|---|
| 673 (≥) | 179 (≥) | 33 | 41 | 14 | 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 |
|||||
| 144 | 178 | 411 |
| 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 |
|---|---|---|---|
| S31266 | AISI | USA | ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel |
| A 240 S31266 | SAE | USA | ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel |
| A 358 S31266 | SAE | USA | Electric fusion welded austenitic chromium-nickel alloy steel pipe |
| A 959 S31266 | SAE | USA | Specifying harmonized standard grade compositions for wrought stainless steels |