GBT 45Cr Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 45Cr | GBT | China |
Chemical composition % of the ladle analysis of grade 45Cr
| C(％) | Si(％) | Mn(％) | Cr(％) |
|---|---|---|---|
| 0.42-0.49 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 |
| 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) |
|---|---|---|---|---|---|---|
| 553 (≥) | 923 (≥) | 22 | 32 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 932 (≥) | 778 (≥) | 41 | 14 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 252 | 492 | 384 |
| 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 | GBT | China | Valve steels and alloys for internal combustion engines |
| 1.4718 | GBT | China | Valve steels and alloys for internal combustion engines |
| X45Cr13 | GBT | China | Corrosion-resistant high-temperature steel |
| 1.3541 | GBT | China | Corrosion-resistant high-temperature steel |
| X45CrSi9-3 | GBT | China | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines |
| 145Cr6 | GBT | China | Tools alloyed Cr steel |
| 45CrMoV7 | GBT | China | Tool Steels; Technical Conditions of Delivery |
Relevant products
45Cr Equivalent Grade Stock
| Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
|---|---|---|---|---|---|---|
| T45Cr5Si3 Round Bar | Dia.40mm | Round Bar | Kgs | 500 | Hot-Rolled+Annealed+black | Enquiry |