Chemical composition:
Carbon content of 0.7 - 0.8%, the amount of tungsten-containing 17.5 - 19% chromium content 3.80 - 4.4% vanadium content 1.0 - 1.4%, less than 0.4% silicon content, manganese content is less than 0.4 % molybdenum content is less than 0.3%.
Red hardness:
Cutting temperature 540 degrees, can maintain HRC66 hardness
Cutting temperature 600 degrees, the hardness can be maintained HRC63
Advantages: versatility, process maturity.
Cutting speed: 80 m / s (600 degrees Celsius).
Uses: complex shape of small tools.
