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JIS G4801 SUP6 Steel — Specifications & Listings

JIS G4801Japanese silicon manganese spring steel

Forms: Round Bar Category: Spring Steel
Grade Details
GradeJIS G4801 SUP6
StandardJIS G4801
DescriptionJapanese silicon manganese spring steel
ApplicationsAutomotive suspension springs, leaf springs
Equivalent / Similar Grades
Grade Standard Region
55Si7 DIN Germany
AISI 9255 SAE USA
EN45 BS970 UK
Chemical Composition (%)
C Si Mn S P
0.56–0.64 1.50–1.80 0.70–1.00 ≤0.030 ≤0.035
Mechanical Properties
Tensile Strength ≥1130 MPa
Yield Strength ≥980 MPa
Elongation ≥7%
Hardness 341–415 HB
Typical Available Sizes
Round Bar 10mm–50mm dia
Flat Bar 15×5mm–80×15mm
Spring Flat 3×20mm–16×100mm
Sizes are indicative. Contact seller for exact availability.

Active JIS G4801 SUP6 Listings on M-EX

JIS G4801 SUP6 Round Bar
1.300 MT
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JIS G4801 SUP6 Round Bar
1.000 MT
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