JIS G4304 Grade SUS440A quenched, hardened and tempered

Equivalent material: DIN 1.4040, JIS SUS440A, EN 1.4040, ASTM MT440A, ASTM 440A, UNS S44002

JIS G4304 Grade SUS440A quenched, hardened and tempered general

Property Temperature Value
Hardness, Rockwell C 20.0 °C Hardness, Rockwell C of 40 [-]

JIS G4304 Grade SUS440A quenched, hardened and tempered chemical

Property Value
Carbon Carbon of 0.6 - 0.75 %
Chromium Chromium of 16 - 18 %
Iron Iron of 77.83 - 83.4 %
Manganese Manganese of 1 %
Molybdenum Molybdenum of 0.75 %
Nickel Nickel of 0.6 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %

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