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JIS G4801 SUP6 vs EN 10083-3 51CrV4

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

JIS G4801 SUP6 (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 SUP6 is typically used for automotive suspension springs, leaf springs, while EN 10083-3 51CrV4 is commonly used for valve springs, clutch springs, high duty coil springs. JIS G4801 SUP6 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 SUP6 vs EN 10083-3 51CrV4 is a 65.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4801 SUP6:
EN 10089 55Si7 EN 10089 55Cr3 EN 10089 50CrV4 GB/T 1222 55CrMnA IS 3431 60Si7 IS 1570 (Part 4) 55Si7 IS 1570 (Part 4) 60Si7 IS 1570 (Part 4) 65Si7 IS 3195 113C6 BS 970 EN42C IS 3431 50Cr4V2 BS 970 EN42
Match Breakdown
CHEMISTRY MATCH
65.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4801 SUP6 EN 10083-3 51CrV4
Standard JIS G 4801:2005 EN 10083-3:2006
Category Spring Steel Spring Steel
C (%) 0.56–0.64 0.47-0.55
Si (%) 1.50–1.80 <=0.40
Mn (%) 0.70–1.00 0.70-1.10
S (%) ≤0.030 <=0.025
P (%) ≤0.030 <=0.025
Cr (%) Not specified 0.90-1.20
V (%) Not specified 0.10-0.25
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 SUP6 EN 10083-3 51CrV4
Tensile Strength ≥1130 MPa 1100 to 1300 MPa
Yield Strength ≥980 MPa 900 MPa min
Elongation ≥7% 9% min
Hardness 341–415 HB Soft annealed (+A): 248 HBW max
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Typical Applications
JIS G4801 SUP6
Automotive suspension springs, leaf springs
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
Key Differences
Can JIS G4801 SUP6 Be Substituted With EN 10083-3 51CrV4?
JIS G4801 SUP6 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 SUP6
Round Bar → (2 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 4500–5700 mm (177.17–224.41 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 SUP6
2 active listings and RFQs →
EN 10083-3 51CrV4
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4801 SUP6 and EN 10083-3 51CrV4?
EN 10083-3 51CrV4 specifies Cr, V which are not specified for JIS G4801 SUP6.
Can JIS G4801 SUP6 be substituted with EN 10083-3 51CrV4?
JIS G4801 SUP6 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.