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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | M4 | ASTM | USA |
Chemical composition%of the ladle analysis of gradeM4
| 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) |
|---|---|---|---|---|---|---|
| 489(≥) | 968(≥) | 33 | 33 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 427(≥) | 695(≥) | 22 | 33 | 11 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 321 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 455 | 741 | 519 |
| 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 |