SS R4Enquiry|Print this page
| 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) |
|---|---|---|---|---|---|---|
| 798(≥) | 645(≥) | 33 | 34 | 44 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 444 |
| 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 |
|---|---|---|---|---|---|---|---|
| 794(≥) | 979(≥) | 32 | 22 | 34 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 241 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 217 | 379 | 874 |
| 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 |