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SCM440 is specifically used in high-strength fasteners and has such advantages as stable components, low hazardous elements, high purity of steel content, small practical decarburized depth and few surface flaws; as well as easy spheroidizing annealing, low breakage rate in cold upsetting performance, stable quality in heat treatment and even hardness for a wide range of applications in engines, die molds, gears and driving parts.

Specification

TAIWAN - CNS CHINA - GB JAPAN - JIS USA - ASTM GERMANY - DIN
SCM440 42CrMoA SCM440 4140, 4142 42CrMo4, 42CrMoS4

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