AISI C-7AEnquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | C-7A | AISI | USA |
Chemical composition%of the ladle analysis of gradeC-7A
| W(%) | Co(%) | Ti(%) | Ta(%) |
|---|---|---|---|
| 71.0-83.0 | 4.5-7.0 | 7.0-12.5 | 10.0-12.0 |
Density / (g/cm ^ 3) : 11.0 ~ 11.8
Hardness HRA: 91.6 ~ 93.0
Bending strength/MPa: 1205 ~ 1550
Use for example: used for heavy cutting steel light processing
| 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) |
|---|---|---|---|---|---|---|
| 833(≥) | 292(≥) | 24 | 31 | 42 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 312 |
| 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 |
|---|---|---|---|---|---|---|---|
| 848(≥) | 674(≥) | 44 | 11 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 323 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 342 | 527 | 595 |
| 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 |