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UNS 310H Details
UNS 310H Standard Download
| Category | Type | Grade | Microstructure | Designations | 
|---|---|---|---|---|
| Grades | Stainless Steels | 310H | Austenite | USA - UNS ,    SAE J 405  (1998)  - Chemical compositions of SAE wrought stainless steels | 
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks | 
|---|---|---|---|---|
| C | 0.04 | 0.10 | ||
| Si | - | 0.75 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 19.00 | 22.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 921 (≥) | 927 (≥) | 34 | 31 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 537 (≥) | 827 (≥) | 32 | 23 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | |||||
| 335 | 449 | 876 | 
| 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 | 
|---|---|---|---|
| 310H | UNS | USA | Chemical compositions of SAE wrought stainless steels | 
| A 182 F 310H | 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 TP310H | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| A 240 Type 310H | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | 
| A 249 TP310H | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | 
| A 312 TP310H | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | 
| A 336 Grade F310H | SAE | USA | Alloy Steel Forgings for Pressure and High-Temperature Parts | 
| A 479 310H | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels | 
| A 943 TP310H | SAE | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes | 
| A 959 Type 310H | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | 
| A 965 Grade F310H | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts | 
| SA-182 F 310H | 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 TP310H | AMS | USA | Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| SA-240 Type 310H | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | 
| SA-249 TP310H | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | 
| SA-312 TP310H | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes | 
| SA-336 Grade F310H | AMS | USA | Alloy Steel Forgings for Pressure and High-Temperature Parts | 
| SA-479 Type 310H | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels | 
| SA-965 Grade F310H | AMS | USA | Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts | 
| A 240 S31009 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | 
