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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | R4 | SS | Sweden |
Chemical composition%of the ladle analysis of gradeR4
Co(%) |
---|
12.5 |
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) |
---|---|---|---|---|---|---|
913(≥) | 642(≥) | 34 | 32 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 241 |
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 |
---|---|---|---|---|---|---|---|
525(≥) | 921(≥) | 22 | 32 | 31 | 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 | |||||
649 | 928 | 438 |
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 |
---|---|---|---|
HR4 | SS | Sweden | Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled steel plate, sheet and wide strip based on formability |
HR40 | SS | Sweden | Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5) |
2HR401 | SS | Sweden | Specification for nickel-chromium-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Ti 2.2, Al 1.4) |
HR402 | SS | Sweden | Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) |
HR403 | SS | Sweden | Specification for nickel-chromium-titanium heat-resisting alloy cold-worked and softened seamless tubes (nickel base, Cr 19.5, Ti 0.4) |
HR404 | SS | Sweden | Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) |
STR446 | SS | Sweden | Heat - resisting steel plates and sheets |
STR4 | SS | Sweden | Heat - resisting steel bars |
STR409 | SS | Sweden | Heat - resisting steel plates and sheets |
STR409L | SS | Sweden | Heat - resisting steel plates and sheets |
105Cr4 | SS | Sweden | Hardened steel; Ball and roller bearing steels |
105Cr4 | SS | Sweden | Cold work tool steels |
62SiMnCr4 | SS | Sweden | Tool Steels; Technical Conditions of Delivery |
105MnCr4 | SS | Sweden | Alloyed MnCr steel |
60MnSiCr4 | SS | Sweden | Tool Steels; Technical Conditions of Delivery |