AISI CQ-8 Enquiry | Print this page
- Category
- Type
- Steel grade
- Standard
- Country
- USE
- Grades
- Special Alloy
- » CQ-8
HAP 60
HAP 70
KHA 33N
CQ-1
CQ-2
CQ-3
CQ-4
CQ-5
CQ-6
CQ-7 - AISI
- USA
- W-Co class carbide
Chemical composition % of the ladle analysis of grade CQ-8
| C(％) | W(%) | Co(%) |
| 5.02 | 76.89 | 18.0 |
Density / (g/cm ^ 3) : 13.65
Hardness HRC: 87.5
σ bb/MPa: 2390
Grain size/μ m: 1 ~ 3
Use for example: used for violent vibration condition wear-resistant materials (also available medium shock conditions using)
| 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) |
|---|---|---|---|---|---|---|
| 387 (≥) | 399 (≥) | 43 | 32 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
| 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 |
|---|---|---|---|---|---|---|---|
| 433 (≥) | 964 (≥) | 41 | 31 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 185 | 558 | 172 |
| 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 |