Product Description
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 |
Delivery condition:
Annealed Quenched + Tempered
Surface Condition:
Black, Grinded, Peeled, Polished, Rough turned
Feature:
1.Competitive price
2.immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 ton
Packing details |
In seaworthy packing, as your requirement. |
Delivery details |
within 30-50 days |
Chemical composition:
C |
Mn |
P |
S |
Si |
Cr |
V |
W |
0.30-0.40 |
0.15-0.40 |
0.030max |
0.030max |
0.15-0.40 |
1.70-3.75 |
0.25-0.50 |
10.0-11.75 |
Heat treatment
Hardness :Annealed(+A) max: 235 BHN
H22 tool steel when heat-treatment the preheat Temperature need reach 788°C, and the temperature may be ± 14 °C .
H22 tool steel when austenitizing ,should keep 5-15 minutes long. If is the salt bath ,temperature should keep in the 1177 °C , and shall be ± 5.6 °C. Or is the controlled atmosphere furnaces , temperature should keep in the 1191 °C , and shall be ± 5.6 °C.
Quenching: H22 tool steel Hardening quenching using air cooling, and it's hardness min is 53 RC.
Tempering: H22 tool steel general tempering temperature is 552°C. Double tempering of Double tempering of H22 tool steel is recommended.