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JIS G4801 SUP9A Steel — Specifications & Listings

JIS G4801Japanese chrome manganese spring steel, higher Mn than SUP9

Forms: Round Bar Category: Spring Steel
Grade Details
GradeJIS G4801 SUP9A
StandardJIS G4801
DescriptionJapanese chrome manganese spring steel, higher Mn than SUP9
ApplicationsHeavy duty leaf springs, torsion bars
Equivalent / Similar Grades
Grade Standard Region
55Cr3 DIN Germany
SAE5160 SAE USA
SAE5155 SAE USA
Chemical Composition (%)
C Mn Cr Si
0.56–0.64 0.70–1.00 0.70–1.00 0.15–0.35
Mechanical Properties
Tensile Strength ≥1180 MPa
Yield Strength ≥1030 MPa
Elongation ≥7%
Typical Available Sizes
Round Bar 10mm–75mm dia
Spring Flat 5×30mm–20×150mm
Sizes are indicative. Contact seller for exact availability.

Active JIS G4801 SUP9A Listings on M-EX

JIS G4801 SUP9A Round Bar
1.300 MT
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JIS G4801 SUP9A Round Bar
0.900 MT
View Listing