ASTM M2 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | M2 | ASTM | USA |
Chemical composition % of the ladle analysis of grade M2
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 0.78～0.88 | 0.20～0.45 | 0.15～0.40 | ≤0.030 | ≤0.030 | 3.75～4.50 | 4.50～5.50 | 1.75～2.20 | 5.50～6.75 |
| 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) |
|---|---|---|---|---|---|---|
| 634 (≥) | 476 (≥) | 44 | 11 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| 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 |
|---|---|---|---|---|---|---|---|
| 814 (≥) | 792 (≥) | 24 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 492 | 982 | 925 |
| 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 1049 S32550 | ASTM | USA | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components |
| A 240 S32550 | ASTM | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S32550 | ASTM | USA | Stainless Steel Bars and Shapes |
| A 473 S32550 | ASTM | USA | Stainless Steel Forgings |
| A 479 S32550 | ASTM | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 511 S32550 | ASTM | USA | Seamless Stainless Steel Mechanical Tubing |
| A 789 S32550 | ASTM | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A 790 S32550 | ASTM | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 815 CRS32550 | ASTM | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 815 WPS32550 | ASTM | USA | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 928 S32550 | ASTM | USA | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 949 S32550 | ASTM | USA | Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| S32550 | ASTM | USA | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel |
| SA-240 S32550 | ASTM | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-276 S32550 | ASTM | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 S32550 | ASTM | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| SA-789 S32550 | ASTM | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
| SA-790 S32550 | ASTM | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
| SA-815 CRS32550 | ASTM | USA | Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings |
| SA-815 WPS32550 | ASTM | USA | Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings |