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JIS G4105:1979 SCM415 Steel: Specifications & Listings

JIS G4105:1979 SCM415: SCM415 is a chromium molybdenum alloy steel intended for carburized engineering components. It offers good core toughness and surface hardness after case hardening.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeJIS G4105:1979 SCM415
Standard JIS G4105:1979
ApplicationsUsed in gears, camshafts, shafts, sprockets, automotive parts, and machine components.
Most Active InCentral (Madhya Pradesh)
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 708A25 BS 970 (Part 1):1983 Close Alternative
KS D3867 SCM415 KS D 3867:2025 Close Alternative
BS 970 (Part 1) 708M20 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 708H20 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 708H20 BS 970 (Part 1):1991 Close Alternative
SAE J404 4118 SAE J404:2009 Close Alternative
SAE J404 4118 SAE J404:2000 Close Alternative
SAE J404 4120 SAE J404:2009 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S Cr Mo
0.13-0.18 0.15-0.35 0.60-0.85 0.030 max 0.030 max 0.90-1.20 0.15-0.30
Mechanical Properties
Tensile Strength 650-850 MPa
Yield Strength 490 MPa min
Elongation 15% min
Hardness 179-241 HB

Popular forms for this grade:

Round Bar (2)

Active JIS G4105:1979 SCM415 Listings on M-EX (For Sale)

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JIS G4105:1979 SCM415 Round Bar
4.500 MT
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JIS G4105:1979 SCM415 Round Bar
3.500 MT
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