JIS SKH58 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | SKH58 | JIS | Japan | 
Chemical composition % of the ladle analysis of grade SKH58
| C(%) | Si(%) | Mn(%) | Cr(%) | Mo(%) | V(%) | W(%) | 
|---|---|---|---|---|---|---|
| 0.95-1.05 | Max 0.70 | Max 0.40 | 3.50-4.50 | 8.20-9.20 | 1.70-2.20 | 1.50-2.10 | 
| 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) | 
|---|---|---|---|---|---|---|
| 683 (≥) | 326 (≥) | 42 | 23 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 815 (≥) | 842 (≥) | 11 | 31 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 | |
| Temp. °C/°F  | 
                      Creep strain limit (10000h) (Rp1,0) N/mm2  | 
                      Creep rupture strength (10000h) (Rp1,0) N/mm2  | 
                      |||||
| 932 | 927 | 593 | 
| 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 | 
