Similar Grade: H12, 1.2605, SKD62
Shape: Round, Flat, Square
Size Range:
| |
Diameter(mm) |
Thickness (mm) |
Width (mm) |
Length(mm) |
| Round |
50-420 |
- |
- |
2000-5800 |
| Square |
50-420 |
- |
- |
2000-5800 |
| flat |
- |
20-50 |
80-600 |
2000-5800 |
Steel-marking Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR,
Delivery condition:
Annealed Quenched+Tempered
Surface state:
Black, Grinded, Peeled, Polished, Rough turned
Features:
1.Competitive price
2.immediate delivery
3.Premium quality
4.Reliable service
| Packing details |
In seaworthy packing, as your requirement. |
| Delivery details |
within 30-50 days |
Chemical Composition:
| C |
Mn |
P |
S |
Si |
Cr |
V |
W |
Mo |
| 0.30-0.40 |
0.20-0.70 |
0.030max |
0.030max |
0.80-1.25 |
4.75-5.5 |
0.20-0.50 |
1.00-1.70 |
1.25-1.75 |
Mechanical Properties:
> H12 tool steel is characterized by a controlled chromium content along with other alloying elements.
> H12 tool steel with excellent toughness
> H12 tool steel with high hardenability
Heat treatment:
Hardness :Annealed(+A) max: 235 BHN
H12 tool steel when heat-treatment the preheat Temperature need reach 788°C, and the temperature may be ± 14 °C .
H12 tool steel when austenitizing ,should keep 5-15 minutes long. If is the salt bath ,temperature should keep in the 996 °C,and shall be ± 5.6 °C. Or is the controlled atmosphere furnaces,temperature should keep in the 1010 °C,and shall be ± 5.6 °C.
Quenching: H12 tool steel Hardening quenching using air cooling, and it's hardness min is 53 RC.
Tempering: H12 tool steel general tempering temperature is 552°C. Double tempering of Double tempering of H12 tool steel is recommended.
Ultrasonic Test:Material will be ultrasonically tested at appropriate stages of the manufacture to ensure the quality, as agreed between seller and purchaser.
Application:
For the manufacture of large impact load forging dies, hot extrusion die, forging die; aluminum, copper and alloy die-casting mold
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