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AMS SA-268 S40500 Details
AMS SA-268 S40500 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-268 S40500 | Ferrite | USA - AMS , SA-268/SA-268M - Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | - | 1.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 11.00 | 14.50 | ||
| Ni | - | - | ||
| Mo | - | - | ||
| Al | 0.10 | 0.30 |
| 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) |
|---|---|---|---|---|---|---|
| 218 (≥) | 251 (≥) | 13 | 24 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
| 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 |
|---|---|---|---|---|---|---|---|
| 181 (≥) | 926 (≥) | 11 | 23 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 336 | 975 | 615 |
| 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 S40500 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S40500 | SAE | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 276 S40500 | SAE | USA | Stainless Steel Bars and Shapes |
| A 473 S40500 | SAE | USA | Stainless Steel Forgings |
| A 580 S40500 | SAE | USA | Stainless Steel Wire |
| S40500 | AISI | USA | Ferritic Chromium Stainless Steel |
| SA-240 S40500 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S40500 | AMS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| X17CrNi16-2 | DIN | Germany | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
| 1.4057 | DIN | Germany | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
| SUS 405 | JIS | Japan | Stainless steel bars |
| SUS 405 | JIS | Japan | Hot-rolled stainless steel plates, sheet and strip |
| SUS 405 | JIS | Japan | Cold-rolled stainless steel plate, sheet and strip |
| SUS 405 | JIS | Japan | Stainless steel wires |
| SUS 405 | JIS | Japan | Heat-resisting steel bars and wire rods |
| SUS 405 | JIS | Japan | Heat-resisting steel plate, sheet and strip |
| SUS 405 TB | JIS | Japan | Stainless steel boiler and heat exchanger tubes |
| SUS 405 TP | JIS | Japan | Stainless steel pipes |
| SUS 405TP | JIS | Japan | Stainless steel pipes |
| X17CrNi16-2 | B.S. | UK | Stainless steel bars for pressure purposes |