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SAE A 268 S44635 Details
SAE A 268 S44635 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 268 S44635 | Ferrite | USA - SAE , A 268/A 268M (2010) - Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.025 | ||
| Mn | - | 1.00 | ||
| Si | - | 0.75 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 24.50 | 26.00 | ||
| Ni | 3.50 | 4.50 | ||
| Mo | 3.50 | 4.50 | ||
| N | - | 0.035 |
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
| 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) |
|---|---|---|---|---|---|---|
| 827 (≥) | 542 (≥) | 12 | 13 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
| 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 |
|---|---|---|---|---|---|---|---|
| 298 (≥) | 932 (≥) | 31 | 43 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 957 | 526 | 626 |
| 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 |
|---|---|---|---|
| A 176 S44635 | SAE | USA | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 240 S44635 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44635 | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| S44635 | AISI | USA | Ferritic Chromium Molybdenum Nickel Stainless Steel (25-4-4) |
| SA-240 S44635 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44635 | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 176 S44635 | SAE | USA | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 240 S44635 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44635 | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| S44635 | AISI | USA | Ferritic Chromium Molybdenum Nickel Stainless Steel (25-4-4) |
| SA-240 S44635 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44635 | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |