高速工具鋼-SKH55
Introduction of steel
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High-speed tool steel SKH55
High-speed tool steel SKH55
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- High-speed tool steel
SKH55This kind of steel is a cobalt-containing super-hard high-speed tool steel in tungsten-molybdenum-based high-speed steel, which has a high hardness of 63HRC , good heat hardness, high temperature hardness, and easy grinding.
Uses : Used for high-performance cutting tools with virtual heat resistance and toughness, such as drills, screw taps, reamers, milling cutters, wafers, and cold forging dies.
Steel type (JIS) | C (carbon ) | Si (silicon ) | Mn (manganese ) | P (phosphorus ) | S (sulfur ) | Cr (chrome ) | Mo (molybdenum ) | V (Vanadium ) | W (tungsten ) |
SKH55 | 0.80 ~ 0.90 | 0.45 or less | 0.45 or less | 0.030 or less | 0.010 or less | 3.80 ~ 4.50 | 4.50 ~ 5.50 | 1.60 ~ 2.20 | 5.50 ~ 6.70 |
