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SAE A 959 Type XM-2 Details
SAE A 959 Type XM-2 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 959 Type XM-2 | Austenite | USA - SAE , A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.05 | ||
| S | 0.11 | 0.16 | ||
| Cr | 17.0 | 19.0 | ||
| Ni | 8.00 | 10.0 | ||
| Mo | 0.40 | 0.60 | ||
| Al | 0.60 | 1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 284 (≥) | 488 (≥) | 33 | 12 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
| 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 |
|---|---|---|---|---|---|---|---|
| 541 (≥) | 854 (≥) | 24 | 31 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 768 | 578 | 881 |
| 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 |
|---|---|---|---|
| 303 MA | UNS | USA | Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated |
| 303 MA | ASTM | USA | Steel, Corrosion-Resistant, Bars and Forgings 0.14S - 18Cr - 9.5Ni - 0.50Mo - 0.80Al (303MA) Free-Machining; Swaging or Upsetting Solution Heat Treated |
| A 959 Type XM-2 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 581 S30345 | SAE | USA | Free-Machining Stainless Steel Wire and Wire Rods |
| A 582 S30345 | SAE | USA | Standard Specification for Free-Machining Stainless Steel Bars |
| S30345 | AISI | USA | Austenitic Chromium Nickel Aluminum Free-Machining Stainless Steel |
| A 240 Type XM-29 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 TPXM-29 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 TPXM-29 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 XM-29 | SAE | USA | Stainless Steel Bars and Shapes |
| A 312 TPXM-29 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 314 XM-29 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 358 XM-29 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 412 Type XM-29 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel-Manganese Steel Plate, Sheet, and Strip |
| A 479 XM-29 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 580 Type XM-29 | SAE | USA | Stainless Steel Wire |
| A 688 Grade TP XM-29 | SAE | USA | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 813 Grade TP XM-29 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 Grade TP XM-29 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 943 TPXM-29 | SAE | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes |