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JIS G4801 SUP10 vs EN 10083-3 51CrV4

Related Material — 56.4% match based on chemical composition and mechanical property overlap.

JIS G4801 SUP10 (JIS G 4801:2005) and EN 10083-3 51CrV4 (EN 10083-3:2006) are both steel grades. Both fall under the Spring Steel category. JIS G4801 SUP10 is typically used for valve springs, high stress coil springs, torsion springs, while EN 10083-3 51CrV4 is commonly used for valve springs, clutch springs, high duty coil springs. JIS G4801 SUP10 is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, JIS G4801 SUP10 vs EN 10083-3 51CrV4 is a 84.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 56.4%.

Frequently Compared With JIS G4801 SUP10:
IS 3431 50Cr4V2 EN 10089 55Si7 EN 10089 50CrV4 EN 10089 55Cr3 GB/T 1222 55CrMnA EN 10083-1 51CrV4 IS 3195 113C6 IS 3195 50Cr4V2 EN 10083-1 51CrV4 IS 3195 52Cr4Mo2V IS 5517 55Cr3 IS 1570 (Part 4) 55Si7
Match Breakdown
CHEMISTRY MATCH
84.6%
MECHANICAL MATCH
0%
OVERALL
56.4%
Specifications
Property JIS G4801 SUP10 EN 10083-3 51CrV4
Standard JIS G 4801:2005 EN 10083-3:2006
Category Spring Steel Spring Steel
C (%) 0.47–0.55 0.47-0.55
Si (%) 0.15–0.35 <=0.40
Mn (%) 0.65–0.95 0.70-1.10
Cr (%) 0.80–1.10 0.90-1.20
V (%) 0.15–0.25 0.10-0.25
P (%) ≤0.030 <=0.025
S (%) ≤0.030 <=0.025
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 SUP10 EN 10083-3 51CrV4
Tensile Strength ≥1180 MPa 1100 to 1300 MPa
Yield Strength ≥1030 MPa 900 MPa min
Elongation ≥7% 9% min
Hardness 363–429 HB Soft annealed (+A): 248 HBW max
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Typical Applications
JIS G4801 SUP10
Valve springs, high stress coil springs, torsion springs
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
Can JIS G4801 SUP10 Be Substituted With EN 10083-3 51CrV4?
JIS G4801 SUP10 and EN 10083-3 51CrV4 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 SUP10
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 5100–5900 mm (200.79–232.28 in)
EN 10083-3 51CrV4
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 6300–7000 mm (248.03–275.59 in)
On M-EX Right Now
JIS G4801 SUP10
3 active listings and RFQs →
EN 10083-3 51CrV4
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4801 SUP10 and EN 10083-3 51CrV4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4801 SUP10 be substituted with EN 10083-3 51CrV4?
JIS G4801 SUP10 and EN 10083-3 51CrV4 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.