ASTM M4 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | M4 | ASTM | USA |
Chemical composition % of the ladle analysis of grade M4
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 1.25～1.40 | 0.20～0.45 | 0.15～0.40 | ≤0.030 | ≤0.030 | 3.75～4.75 | 4.25～5.50 | 3.75～4.50 | 5.25～6.50 |
| 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) |
|---|---|---|---|---|---|---|
| 298 (≥) | 697 (≥) | 22 | 41 | 41 | 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 |
|---|---|---|---|---|---|---|---|
| 157 (≥) | 419 (≥) | 21 | 33 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 338 | 287 | 747 |
| 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 564 S45000 | ASTM | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| A 693 S45000 | ASTM | USA | Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| A 705 S45000 | ASTM | USA | Age-Hardening Stainless Steel Forgings |
| S45000 | ASTM | USA | Stainless Steel |
| SA-564 S45000 | ASTM | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| SA-693 S45000 | ASTM | USA | Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| SA-705 S45000 | ASTM | USA | Specification for Age-Hardening Stainless Steel Forgings |
| A 313 S45500 | ASTM | USA | Stainless Steel Spring Wire |
| A 564 S45500 | ASTM | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| A 693 S45500 | ASTM | USA | Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| A 705 S45500 | ASTM | USA | Age-Hardening Stainless Steel Forgings |
| S45500 | ASTM | USA | Stainless Steel (Custom 455) |
| SA-564 S45500 | ASTM | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| SA-693 S45500 | ASTM | USA | Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| SA-705 S45500 | ASTM | USA | Specification for Age-Hardening Stainless Steel Forgings |
| Custom 450 | ASTM | USA | Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated |
| Custom 450 | ASTM | USA | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.30 Cb (Nb) - 1.5Cu Consumable Electrode Remelted, Solution Heat Treated Precipitation Hardenable |
| Custom 450 | ASTM | USA | Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.30Cb - 1.5Cu Consumable Electrode Melted, Solution Heat Treated Precipitation Hardenable |
| Custom 450 | ASTM | USA | Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.60Cb - 1.5Cu Solution Heat Treated, Precipitation Hardenable |
| Custom 450 | ASTM | USA | Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated |