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

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

GB/T 1222 55CrMnA (GB/T 1222-2016) and EN 10083-3 51CrV4 (EN 10083-3:2006) are both steel grades. Both fall under the Spring Steel category. GB/T 1222 55CrMnA is typically used for automotive leaf springs, coil springs, while EN 10083-3 51CrV4 is commonly used for valve springs, clutch springs, high duty coil springs. GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China, while EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 1222 55CrMnA vs EN 10083-3 51CrV4 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 GB/T 1222 55CrMnA:
EN 10089 55Si7 EN 10089 55Cr3 EN 10089 50CrV4 IS 3195 50Cr4V2 IS 5517 55Cr3 IS 3195 60Cr4V2 IS 3431 60Cr4V2 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7 IS 4367 55Si7 IS 3195 60Si7 BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
72.1%
MECHANICAL MATCH
0%
OVERALL
48.1%
Specifications
Property GB/T 1222 55CrMnA EN 10083-3 51CrV4
Standard GB/T 1222-2016 EN 10083-3:2006
Category Spring Steel Spring Steel
C (%) 0.52–0.60 0.47-0.55
Si (%) 0.17–0.37 <=0.40
Mn (%) 0.70–1.00 0.70-1.10
Cr (%) 0.65–0.95 0.90-1.20
P (%) Not specified <=0.025
S (%) Not specified <=0.025
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 GB/T 1222 55CrMnA EN 10083-3 51CrV4
Tensile Strength ≥1225 MPa 1100 to 1300 MPa
Yield Strength ≥1080 MPa 900 MPa min
Elongation ≥6% 9% min
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Hardness Not specified Soft annealed (+A): 248 HBW max
Typical Applications
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
Key Differences
Can GB/T 1222 55CrMnA Be Substituted With EN 10083-3 51CrV4?
GB/T 1222 55CrMnA 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
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)
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
GB/T 1222 55CrMnA
2 active listings and RFQs →
EN 10083-3 51CrV4
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1222 55CrMnA and EN 10083-3 51CrV4?
EN 10083-3 51CrV4 specifies P, S, V which are not specified for GB/T 1222 55CrMnA.
Can GB/T 1222 55CrMnA be substituted with EN 10083-3 51CrV4?
GB/T 1222 55CrMnA 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.