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EN 10083-3 51CrV4 vs GB/T 1222 55CrMnA

Minimal Match — 48.1% match based on chemical composition and mechanical property overlap.

EN 10083-3 51CrV4 (EN 10083-3:2006) and GB/T 1222 55CrMnA (GB/T 1222-2016) 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 GB/T 1222 55CrMnA is commonly used for automotive leaf springs, coil springs. EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe, while GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, EN 10083-3 51CrV4 vs GB/T 1222 55CrMnA is a 72.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 48.1%.

Frequently Compared With EN 10083-3 51CrV4:
EN 10089 50CrV4 EN 10089 55Si7 EN 10089 55Cr3 IS 3431 50Cr4V2 EN 10083-1 51CrV4 IS 5517 55Cr3 IS 1570 (Part 4) 55Si7 EN 10083-1 51CrV4 IS 3195 55Si7 IS 3195 60Cr4V2 IS 3195 52Cr4Mo2V IS 3431 60Cr4V2
Match Breakdown
CHEMISTRY MATCH
72.1%
MECHANICAL MATCH
0%
OVERALL
48.1%
Specifications
Property EN 10083-3 51CrV4 GB/T 1222 55CrMnA
Standard EN 10083-3:2006 GB/T 1222-2016
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.52–0.60
Cr (%) 0.90-1.20 0.65–0.95
Mn (%) 0.70-1.10 0.70–1.00
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.40 0.17–0.37
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 GB/T 1222 55CrMnA
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 9% min ≥6%
Hardness Soft annealed (+A): 248 HBW max Not specified
Tensile Strength 1100 to 1300 MPa ≥1225 MPa
Yield Strength 900 MPa min ≥1080 MPa
Typical Applications
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
Key Differences
Can EN 10083-3 51CrV4 Be Substituted With GB/T 1222 55CrMnA?
EN 10083-3 51CrV4 and GB/T 1222 55CrMnA 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)
GB/T 1222 55CrMnA
Round Bar → (2 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 5600–7000 mm (220.47–275.59 in)
On M-EX Right Now
EN 10083-3 51CrV4
3 active listings and RFQs →
GB/T 1222 55CrMnA
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 51CrV4 and GB/T 1222 55CrMnA?
EN 10083-3 51CrV4 specifies P, S, V which are not specified for GB/T 1222 55CrMnA.
Can EN 10083-3 51CrV4 be substituted with GB/T 1222 55CrMnA?
EN 10083-3 51CrV4 and GB/T 1222 55CrMnA 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.