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AMS SA-312 S31050 Details
AMS SA-312 S31050 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-312 S31050 | Austenite | USA - AMS , SA-312/SA-312M - Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Si | - | 0.50 | ||
| Mn | - | 2.00 | ||
| P | - | 0.03 | ||
| S | - | 0.01 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 21.0 | 23.0 | ||
| N | 0.10 | 0.16 |
| 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) |
|---|---|---|---|---|---|---|
| 235 (≥) | 819 (≥) | 14 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
| 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 |
|---|---|---|---|---|---|---|---|
| 625 (≥) | 276 (≥) | 43 | 41 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 593 | 713 | 348 |
| 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 |
|---|---|---|---|
| 310MoLN | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| A 182 F 310MoLN | SAE | USA | Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| A 213 TP310MoLN | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 310MoLN | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 959 Type 310MoLN | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| SA-182 F 310MoLN | AMS | USA | Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| SA-213 TP310MoLN | AMS | USA | Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| SA-240 Type 310MoLN | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 240 S31050 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S31050 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 312 S31050 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 943 S31050 | SAE | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| S31050 | AISI | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| SA-213 S31050 | AMS | USA | Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| SA-240 S31050 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-249 S31050 | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| SA-312 S31050 | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| X1CrNiMoN25-22-2,1.4466,1.4465,X1CrNiMoN25-25-2,AISI 310MoLN,UNS S31050 | EN | European | used in the paper, nitrogen, pharmaceutical, petrochemical and cellulose industries. |