| Equivalent grades |
GB |
DIN |
AISI |
JIS |
- |
| Cr12W |
1.2436 |
D6 |
- |
- |
| Chemical Composition |
C |
Si |
Mn |
Cr |
P |
S |
W |
- |
- |
- |
| 0.26-0.36 |
0.10-0.40 |
0.15-0.45 |
11.00-12.00 |
≤0.03 |
≤0.03 |
0.60-0.80 |
|
|
|
| Available size |
Round Bar |
Diameter |
Length |
| 60-800mm |
2000-6000mm |
| Flat Bar |
Thickness |
Width |
Length |
| 25-400mm |
200-800mm |
2000-6000mm |
| Surface condition |
Black surface/ Grinded/ Machined |
| Annealed hardness |
HB225MAX |
| Characteristics |
Dry hardening,have upper hot intensity and rigidity, under middle pemperature
Good tenacity Hot tirdness nature and definite wearable empty quench under lower
Ao shi ti temperature condition, small distortion after heat treatment Medium toughness
Good through hardening properties and dimensional stability,High compressive strength |
| Applications |
Cutting and drawing tools of high wear resistance,Rolls with high
dimensional stability,Deep drawing tools,Tools of wire
Bar and tube production,Cold shear blades for thin sheets |
| Heat treatment |
Annealing temperature: 860÷880°C
Constant temperature cooling::
Annealing hardness: ≤255 HB
Quenching temperature: 950÷1000°C
Cooling in air or in oil if large parts.:
Tempering hardness: ≥60HRC |
 |
|
