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ASTM 1020
UNS G10200
UNS G10210
ASTM 1021
T7
T8
T8Mn
T9
T10
T11 - China
- Carbon tool steel
Chemical composition % of the ladle analysis of grade T12
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
| 1.15～1.24 | ≤0.35 | ≤0.40 | ≤0.035 | ≤0.030 |
The performance characteristics of carbon steel and use
| 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) |
|---|---|---|---|---|---|---|
| 589 (≥) | 687 (≥) | 44 | 21 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 577 (≥) | 392 (≥) | 44 | 12 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 566 | 942 | 957 |
| 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 |
|---|---|---|---|
| Z3CT12 | Iron and steel. Stainless steel for high temperature application |
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| Z8CNT12 | Stainless steels for general purposes. Plates, wide strips and strips |
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| T12001 | High-Speed Tool Steel |
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| T12002 | High-Speed Tool Steel |
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| T12004 | High-Speed Tool Steel |
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| T12005 | High-Speed Tool Steel |
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| T12006 | High-Speed Tool Steel |
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| T12008 | High-Speed Tool Steel |
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| T12015 | High-Speed Tool Steel |