Details:
Material Name: Alloy tool steel
Grade: 6CrW2Si
Standard: GB / T 1299-1985
● Features and application:
Impact-resistant tool steel, composition, performance and 5CrW2Si similar single higher quenching hardness and high temperature strength. Often used as wear resistance to withstand high impact loads but requires tools such as pneumatic tools, chisels and heavy-duty work performance molds, cold shear blades, pneumatic hammers and other tools.
● Chemical Composition:
Carbon C: 0.55 ~ 0.65
Si Si: 0.50 ~ 0.80
Manganese Mn: ≤ 0.40
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 1.00 ~ 1.30
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Tungsten W: 2.00 ~ 2.70
● Mechanical Properties:
Hardness: Annealed, 285 ~ 229HB, indentation diameter of 3.6 ~ 4.0mm; quenching, ≥ 57HRC
● Heat treatment and microstructure specifications:
Heat treatment specifications: sample chemical composition:

Alloy
Trademark
Ni-Ni Cr Fe Cr Fe Mo W Mo W Co C Co C Mn Si Si Mn P S S P Titanium Ti Vanadium V
Quenching 860 ~ 900 ℃, oil cooling.
● Delivery status: ● Features and steel to the scope of application:
Cold work die steel, is the introduction of the U.S. steel A2, Class A space in the quenched steel is the most widely used one. Applies to both wear and toughness of cold work die steel requirements, can replace CrWMn, 9Mn2V steel production, small cold stamping die, die cutting, molding and red top.
● Chemical Composition:
Carbon C: 0.95 ~ 1.05
Si Si: ≤ 0.50
Manganese Mn: ≤ 1.00
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 4.75 ~ 5.50
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Vanadium V: 0.15 ~ 0.50
Mo Mo: 0.90 ~ 1.40
● Mechanical Properties:
Hardness: Annealed, ≤ 255HB, indentation diameter ≥ 3.95mm; quenching, ≥ 60HRC
● Heat treatment and microstructure specifications:
Standard heat treatment: quenching, 790 ± 15 ℃ warm-up, 940 ± 6 ℃ (salt) or 950 ± 6 ℃ (controlled atmosphere furnace) heating, insulation 5 ~ 15min, air-cooled, 20 Product Description: SK95 (JIS G4401) ω / %
Chemical composition:
C Si Cr Mn Mo V Ni Ni-P W W P S S

Performance and application:
Eutectoid steel, grain fine, when heated in the hardening (temperature of 800 ℃) can maintain fine grain structure.
Uses:
Can be used for the manufacture of cutting edge work the same in the heat, from the impact load, and has a sharp edge and a little toughness of the tool. 0 ± 6 ℃ tempering.
● Delivery status: the status of delivery of steel to annealing. Annealed state delivery.