SS R4 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | R4 | SS | Sweden |
Chemical composition % of the ladle analysis of grade R4
| 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) |
|---|---|---|---|---|---|---|
| 817 (≥) | 939 (≥) | 44 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
| 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 |
|---|---|---|---|---|---|---|---|
| 757 (≥) | 654 (≥) | 43 | 34 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 948 | 568 | 726 |
| 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 |