DIN 1.2379 ANSI D2 SKD11 Cr12Mo1V1 Cold Work Mould Flat Steel Bar
Application:
D2 Tool steel apply to metal stamping die, drawing die, stainless steel sheet stamping die, die with high hardness; Lightweight materials used for cutting, thread rolling dies, drawing, pressure pads ; highly wear-resistant plastic mold.
Product Description
Cold work D2 tool steel containing high carbon high chromium. It with strong wear resistance and hardening. Suit the production of a larger interface, complex shape, heavy working conditions a variety of Die and Tool .
Standard: BS EN ISO 4957, ASTM A681
Similar Grades: SKD11,1.2379, Cr12Mo1V1
Shape: Round, Flat, Square
Size Range:
| Diameter(mm) | Thickness (mm) | Width (mm) | Length(mm) |
Round | 60-420 | - | - | 2000-5800 |
Square | 60-420 | - | - | 2000-5800 |
flat | - | 20-100 | 80-600 | 2000-5800 |
Steel-making Process: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery condition: Annealed, Quenched+tempered
Surface state: Black, Peeled, Rough turned, Ground, Grinded.
Feature
> D2 tool steel high wear resistance
> D2 tool steel high compressive strength
> D2 tool steel good through-hardening properties
> D2 tool steel high stability in hardening
> D2 tool steel good resistance to tempering-back
Chemical Composition:
C | Si | Mn | Cr | Mo | V |
1.40-1.60 | 0.10-0.60 | 0.10-0.60 | 11.00-13.00 | 0.70-1.20 | 0.50-1.10 |
Heat treatment
Annealed(+A) max: 255HB
Annealing: slow cooling at 650ºC-850ºCfurnace
Quenching: Preheat 650ºC~750ºC increased to 1010ºC, air-cooled, or into the 996ºC to keep the salt bath, then cooled.
Tempering: The cold work D2 tool steel general tempering temperature is 170ºC-190ºC , Double tempering of Double tempering of D2 tool steel is recommended.
