1.2343/H11/SKD6 Hot Rolled Alloy Die Tool Steel Round Bar
The United States air cold hardening type hot work die steel, the steel is the three most common hot die casting industry in Europe die steel, carbides, steel distribution, hot crack resistance and anti corrosion performance, and good processing performance, good hardenability, temperature with thick heat and force in the oxidation resistance, high toughness and wear resistance.
Chemical Composition(%)
| C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
| 0.33-0.43 |
0.80-1.20 |
0.20-0.50 |
≤0.030 |
≤0.030 |
4.75-5.50 |
1.10-1.60 |
0.30-0.60 |
1. Features
1). High heat resistance hot work die steel.
2). Excellent ductility and ductility in all directions.
3). High thermal fatigue resistance and abrasion resistance.
4). Good polishing, good dimensional stability, better hardenability,can also be used for cold mold.
2. Application
1). Die-casting mold (mold kernel, embedded block, core, shunt cone, nitriding thimble,)
2). Extrusion die (mold, mold pad, block block)
3). Aluminum, copper, magnesium, hot forming die,
4). Cold load, heat shear, tightening ring and wear parts.
3. Heat treatment
| Quenching |
Tempering |
| Heating temperature/ºC |
Cooling way |
Hardness (HRC) |
Tempering temperature
/ºC |
Tempering number |
Hardness
(HRC) |
| First preheating |
Second preheating |
Last heating |
| 600-650 |
780-810 |
1000-1010 |
Air Cooling |
52-56 |
530-560 |
1 |
50-48 |
4. Delivery status:
Soft annealing, good microstructure, hardness up to 229HB or quenched to customer requirements HRC50-54.
Available Sizes
16-200mm dia x Length
Warehous
Processing
Strict Quality Control
Audited Supplier 
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