H21 1.2581 SKD5 hot work tool steel bar with ESR
(H21 1.2581 SKD5)
Category: Industrial Products
H21 tool steel chromium containing more easy to form carbide, tungsten element, therefore have higher strength and hardness at high temperature, hardness HB - 300 when 650 ℃, but its poor toughness ...
Keyword : Hot work tool steel