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| Category | Type | Steel grade | Country | 
|---|---|---|---|
| Grades | Special Alloy | X45 | UK | 
Chemical composition%of the ladle analysis of gradeX45
| Co(%) | Other(%) | 
|---|---|
| 10 | TiC(%,):4, WC(%,):83.5, Ta(Nb)C(%,):2.5 | 
| 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) | 
|---|---|---|---|---|---|---|
| 563(≥) | 582(≥) | 12 | 23 | 23 | 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 | 
|---|---|---|---|---|---|---|---|
| 165(≥) | 389(≥) | 33 | 21 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 312 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 355 | 257 | 156 | 
| 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 | 
|---|---|---|---|
| X45CrSi9-3 | UK | Valve steels and alloys for internal combustion engines  | |
| 1.4718 | UK | Valve steels and alloys for internal combustion engines  | |
| X45Cr13 | UK | Corrosion-resistant high-temperature steel  | |
| 1.3541 | UK | Corrosion-resistant high-temperature steel  | |
| X45CrSi9-3 | UK | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines  | |
| X45NiCrMo4 | UK | Tool Steels; Technical Conditions of Delivery  | 
