Material Name: Alloy Tool Steel
Grade: 5CrW2Si
Standard: GB / T 1299-1985
● Features and Scope:
Impact resistant tool steel, composition, performance and 4CrW2Si similar. As the cold steel when used as a manual and pneumatic chisel, air hammer tools, rivet tools, cold stamping and die cutting edge and long-term work of carpentry tools. For thermal processing of steel when used as punching or piercing tools shear modulus, forging die, fusible alloy die casting, as well as hot and cold cutting metal scissors with blades, etc.?,
● Chemical Composition:
Carbon C: 0.45 ~ 0.55 "
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 ≤0.25
Cu: to allow the residual content ≤0.30
Tungsten W: 2.00 ~ 2.50
● Mechanical Properties:
Hardness: annealing, 255 ~ 207HB, indentation diameter 3.8 ~ 4.2mm; quenching, ≥55HRC
● Heat treatment and microstructure specifications:
Heat treatment specifications: quenching the sample 860 ~ 900 ℃, oil cooling.
● Delivery status: Delivery of steel in the annealed condition.