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SAE A 988 S31703 Details
SAE A 988 S31703 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 988 S31703 | Austenite | USA - SAE , A 988/A 988M (2011) - Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 18.00 | 20.00 | ||
| Ni | 11.00 | 15.00 | ||
| Mo | 3.00 | 4.00 | ||
| N | - | 0.10 |
| 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) |
|---|---|---|---|---|---|---|
| 924 (≥) | 278 (≥) | 14 | 31 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
| 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 |
|---|---|---|---|---|---|---|---|
| 741 (≥) | 646 (≥) | 41 | 42 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 155 | 258 | 259 |
| 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 |
|---|---|---|---|
| 317L | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| 317LN | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| A 167 Type 317LN | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 240 Type 317LN | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 959 Type 317LN | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| SUS317LN | AMS | USA | Specification for stainless steel bars |
| A 240 S31703 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S31703 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 358 S31703 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 778 S31703 | SAE | USA | Welded, Unannealed Austenitic Stainless Steel Tubular Products |
| A 813 S31703 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S31703 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 988 S31703 | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| S31703 | AISI | USA | Austenitic Chromium Nickel Molybdenum Stainless Steel (Low Carbon) (317L) |
| SA-240 S31703 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-403 S31703 | AMS | USA | Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| SA-813 S31703 | AMS | USA | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
| SA-814 S31703 | AMS | USA | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 167 S31725 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 240 S31725 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |