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JIS G 4801:2005 SUP9A Steel: Specifications & Listings

JIS G 4801:2005 SUP9A: Japanese chrome manganese spring steel, higher Mn than SUP9

Forms: Round Bar Category: Spring Steel
Grade Details
GradeJIS G 4801:2005 SUP9A
Standard JIS G 4801:2005
ApplicationsHeavy duty leaf springs, torsion bars
Most Active InEast (West Bengal)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10089 55Cr3 EN 10089:2002 Europe 3 listings, 0 RFQs →
SAE J404 5160 SAE J404:2009 USA 3 listings, 0 RFQs →
SAE5155 SAE USA Not yet on M-EX
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
JIS G4801 SUP9 JIS G 4801:2005 Strong Match
JIS G4801 SUP10 JIS G 4801:2005 Strong Match
IS 3195 60Cr4V2 IS 3195:1992 Close Alternative
BS 970 EN48 BS 970:1955 Close Alternative
IS 3195 50Cr4V2 IS 3195:1992 Close Alternative
BS 970 EN47 BS 970:1955 Close Alternative
BS 970 EN48A BS 970:1955 Related Material
BS 970 EN50 BS 970:1955 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Cr Si P S
0.56–0.64 0.70–1.00 0.70–1.00 0.15–0.35 ≤0.030 ≤0.030
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.

Popular forms for this grade:

Round Bar (2)

Active JIS G 4801:2005 SUP9A Listings on M-EX (For Sale)

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Buyer RFQs for JIS G 4801:2005 SUP9A

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JIS G 4801:2005 SUP9A Round Bar
1.000 MT
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JIS G 4801:2005 SUP9A Round Bar
1.200 MT
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