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JIS G4103 SNCM240 Steel — Specifications & Listings

JIS G4103SNCM240 is a nickel chromium molybdenum alloy steel known for good hardenability and impact resistance. It is widely used in quenched and tempered condition for highly stressed parts.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeJIS G4103 SNCM240
StandardJIS G4103
DescriptionSNCM240 is a nickel chromium molybdenum alloy steel known for good hardenability and impact resistance. It is widely used in quenched and tempered condition for highly stressed parts.
ApplicationsUsed in gears, shafts, axles, crankshafts, bolts, and machine tool components.
Chemical Composition (%)
C Si Mn P S Ni Cr Mo
0.37-0.43 0.15-0.35 0.60-0.90 0.030 max 0.030 max 1.50-2.00 0.40-0.80 0.15-0.30
Mechanical Properties
tensile_strength 850-1000 MPa
yield_strength 685 MPa min
elongation 13% min
hardness 240-300 HB

Active JIS G4103 SNCM240 Listings on M-EX

JIS G4103 SNCM240 Round Bar
2.000 MT
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JIS G4103 SNCM240 Round Bar
4.700 MT
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