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JIS G4801 SUP9 vs SAE J404 5160

Related Material — 65% match based on chemical composition and mechanical property overlap.

JIS G4801 SUP9 (JIS G 4801:2005) and SAE J404 5160 (SAE J404:2009) are both steel grades. JIS G4801 SUP9 is classified under Spring Steel, while SAE J404 5160 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. JIS G4801 SUP9 is typically used for automotive leaf springs, suspension springs, while SAE J404 5160 is commonly used for automotive leaf springs, coil springs. JIS G4801 SUP9 is defined under Japanese Industrial Standards (JIS), originating from Japan, while SAE J404 5160 is defined under SAE International, originating from United States.

As per chemical composition, JIS G4801 SUP9 vs SAE J404 5160 is a 87.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 65%.

Frequently Compared With JIS G4801 SUP9:
EN 10089 55Cr3 EN 10089 50CrV4 EN 10083-3 51CrV4 EN 10089 55Si7 GB/T 1222 55CrMnA IS 3431 50Cr4V2 IS 3195 113C6 IS 3195 50Cr4V2 EN 10083-1 51CrV4 EN 10083-1 51CrV4 IS 3195 52Cr4Mo2V IS 5517 55Cr3
Match Breakdown
CHEMISTRY MATCH
87.6%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property JIS G4801 SUP9 SAE J404 5160
Standard JIS G 4801:2005 SAE J404:2009
Category Spring Steel Alloy Steel
C (%) 0.52–0.60 0.56-0.64
Mn (%) 0.65–0.95 0.75-1.00
Cr (%) 0.65–0.95 0.70-0.90
Si (%) 0.15–0.35 0.15-0.35
P (%) ≤0.030 <=0.030
S (%) ≤0.030 <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4801 SUP9 SAE J404 5160
Tensile Strength 1180 MPa min (oil hardened) Not specified
Yield Strength ≥1030 MPa Not specified
Elongation ≥7% Not specified
Hardness 363–429 HB Not specified
Typical Applications
JIS G4801 SUP9
Automotive leaf springs, suspension springs
SAE J404 5160
Automotive leaf springs, coil springs
Key Differences
Can JIS G4801 SUP9 Be Substituted With SAE J404 5160?
JIS G4801 SUP9 and SAE J404 5160 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
JIS G4801 SUP9
Round Bar → (4 listings)
Diameter: 30–35 mm (1.18–1.38 in)
Length: 3900–6700 mm (153.54–263.78 in)
SAE J404 5160
Round Bar → (3 listings)
Diameter: 60–60 mm (2.36–2.36 in)
Length: 5200–6400 mm (204.72–251.97 in)
On M-EX Right Now
JIS G4801 SUP9
4 active listings and RFQs →
SAE J404 5160
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4801 SUP9 and SAE J404 5160?
Different category: JIS G4801 SUP9 is Spring Steel, SAE J404 5160 is Alloy Steel.
Can JIS G4801 SUP9 be substituted with SAE J404 5160?
JIS G4801 SUP9 and SAE J404 5160 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.