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JIS G4202 SACM645 Steel — Specifications & Listings

JIS G4202Japanese aluminium chrome molybdenum nitriding steel

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeJIS G4202 SACM645
StandardJIS G4202
DescriptionJapanese aluminium chrome molybdenum nitriding steel
ApplicationsNitrided gears, crankshafts, cylinder liners, gauges
Equivalent / Similar Grades
Grade Standard Region
EN41B BS970 UK
41CrAlMo7 DIN Germany
AISI 7140 SAE USA
Chemical Composition (%)
C Si Mn Cr Mo Al
0.40–0.50 0.15–0.50 0.55–0.90 1.30–1.70 0.15–0.30 0.70–1.20
Mechanical Properties
Tensile Strength 930–1080 MPa
Surface Hardness HV ≥900 (nitrided)
Core Hardness HB 269–321
Typical Available Sizes
Round Bar 20mm–200mm dia
Flat Bar 25×10mm–150×50mm
Sizes are indicative. Contact seller for exact availability.

Active JIS G4202 SACM645 Listings on M-EX

JIS G4202 SACM645 Round Bar
1.500 MT
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JIS G4202 SACM645 Round Bar
1.000 MT
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