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JIS G4053:2008 SCM430 / JIS G4053 SCM430 Steel - Specifications & Listings

JIS G4053:2008 SCM430: Chromium-molybdenum alloy steel for machine structural use with good hardenability and strength. Used for axles, shafts, gears and high-tensile bolts in automotive and general engineering.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeJIS G4053:2008 SCM430 / JIS G4053 SCM430
StandardJIS G4053:2008
DescriptionChromium-molybdenum alloy steel for machine structural use with good hardenability and strength. Used for axles, shafts, gears and high-tensile bolts in automotive and general engineering.
ApplicationsChromium-molybdenum through-hardening (quenched and tempered) alloy steel; shafts, bolts, gears, and machine components requiring moderate strength and toughness
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Round Bar →
Balanced
Chemical Composition (%)
C Mn Si P S Cr Mo
0.28-0.33 0.60-0.85 0.15-0.35 <=0.030 <=0.030 0.90-1.20 0.15-0.25
Mechanical Properties
tensile_strength 930 MPa min
yield_strength 785 MPa min
elongation 12% min
hardness 269-331 HB
Processing:

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JIS G4053:2008 SCM430 / JIS G4053 SCM430 Round Bar
3.400 MT
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JIS G4053:2008 SCM430 / JIS G4053 SCM430 Round Bar
3.800 MT
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