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EN 10083-3 51CrV4 vs EN 10089 55Si7

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

EN 10083-3 51CrV4 (EN 10083-3:2006) and EN 10089 55Si7 (EN 10089:2002) are both steel grades. Both fall under the Spring Steel category. EN 10083-3 51CrV4 is typically used for valve springs, clutch springs, high duty coil springs, while EN 10089 55Si7 is commonly used for leaf springs, coil springs, torsion bars. EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe, while EN 10089 55Si7 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN 10083-3 51CrV4 vs EN 10089 55Si7 is a 68.1% match. As per mechanical properties, the match is 25%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10083-3 51CrV4:
EN 10089 50CrV4 EN 10089 55Cr3 GB/T 1222 55CrMnA IS 3431 50Cr4V2 EN 10083-1 51CrV4 IS 5517 55Cr3 IS 1570 (Part 4) 55Si7 EN 10083-1 51CrV4 IS 3195 55Si7 IS 3195 52Cr4Mo2V IS 3431 60Cr4V2 IS 3195 60Cr4V2
Match Breakdown
CHEMISTRY MATCH
68.1%
MECHANICAL MATCH
25%
OVERALL
35%
Specifications
Property EN 10083-3 51CrV4 EN 10089 55Si7
Standard EN 10083-3:2006 EN 10089:2002
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.51–0.59
Cr (%) 0.90-1.20 Not specified
Mn (%) 0.70-1.10 0.70–1.00
P (%) <=0.025 ≤0.040
S (%) <=0.025 ≤0.040
Si (%) <=0.40 1.50–2.00
V (%) 0.10-0.25 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 51CrV4 EN 10089 55Si7
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 9% min ≥7%
Hardness Soft annealed (+A): 248 HBW max 285–363 HB
Tensile Strength 1100 to 1300 MPa 1000–1200 MPa
Yield Strength 900 MPa min ≥900 MPa
Typical Applications
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
EN 10089 55Si7
Leaf springs, coil springs, torsion bars
Key Differences
Can EN 10083-3 51CrV4 Be Substituted With EN 10089 55Si7?
EN 10083-3 51CrV4 and EN 10089 55Si7 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
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)
EN 10089 55Si7
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 4200–7000 mm (165.35–275.59 in)
On M-EX Right Now
EN 10083-3 51CrV4
3 active listings and RFQs →
EN 10089 55Si7
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 51CrV4 and EN 10089 55Si7?
EN 10083-3 51CrV4 specifies Cr, V which are not specified for EN 10089 55Si7.
Can EN 10083-3 51CrV4 be substituted with EN 10089 55Si7?
EN 10083-3 51CrV4 and EN 10089 55Si7 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.