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SAE A 268 S44627 Details
SAE A 268 S44627 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 268 S44627 | 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 | - | 0.01 | ||
| Mn | - | 0.40 | ||
| Si | - | 0.40 | ||
| P | - | 0.02 | ||
| S | - | 0.02 | ||
| Cr | 25.00 | 27.00 | ||
| Ni | - | 0.50 | ||
| Mo | 0.75 | 1.50 | ||
| N | - | 0.015 | ||
| Nb | 0.05 | 0.20 | ||
| Cu | - | 0.20 |
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) |
|---|---|---|---|---|---|---|
| 237 (≥) | 144 (≥) | 41 | 24 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
| 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 |
|---|---|---|---|---|---|---|---|
| 877 (≥) | 587 (≥) | 12 | 44 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 956 | 937 | 214 |
| 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 240 S44627 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44627 | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 276 S44627 | SAE | USA | Stainless Steel Bars and Shapes |
| S44627 | AISI | USA | Ferritic Chromium Molybdenum Columbium Stainless Steel |
| SA-240 S44627 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44627 | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| 2618 | ASTM | USA | Aluminum Alloy, Die and Hand Forgings, Rolled Rings, and Forging Stock 2.3Cu - 1.6Mg - 1.1Fe - 1.0Ni - 0.18Si - 0.07Ti (2618-T61) Solution and Precipitation Heat Treated |
| 2618 | ASTM | USA | Aluminum alloy forgings |
| 2618 | ASTM | USA | Aluminum Alloy Forgings, Heat Treated |
| 2618 | UNS | USA | Aluminum Alloy Forgings, Heat Treated |
| 2618 | UNS | USA | Aluminum Alloy, Die and Hand Forgings, Rolled Rings, and Forging Stock 2.3Cu - 1.6Mg - 1.1Fe - 1.0Ni - 0.18Si - 0.07Ti (2618-T61) Solution and Precipitation Heat Treated |
| 2618 | UNS | USA | Aluminum alloy forgings |
| 9261 | YB | USA | Former SAE Standard and Former SAE Ex-Steels |
| 9261 | UNS | USA | Former SAE standard and former SAE Ex-steels |
