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GB/T 1222 55CrMnA vs IS 3431 60Cr4V2

Related Material — 68.5% match based on chemical composition and mechanical property overlap.

GB/T 1222 55CrMnA (GB/T 1222-2016) and IS 3431 60Cr4V2 (IS 3431:1982) 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 IS 3431 60Cr4V2 is commonly used for volute, helical and laminated springs for automotive suspension; hot-rolled (also centreless ground or precision) bars and flats (clause 1.1). GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China, while IS 3431 60Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1222 55CrMnA vs IS 3431 60Cr4V2 is a 77.8% match. As per mechanical properties, the match is 50%. Combined, this makes them a related material overall at 68.5%.

Frequently Compared With GB/T 1222 55CrMnA:
EN 10089 55Cr3 EN 10089 55Si7 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 5517 55Cr3 IS 3195 50Cr4V2 IS 3195 60Cr4V2 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7 IS 4367 55Si7 IS 3195 60Si7 BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
77.8%
MECHANICAL MATCH
50%
OVERALL
68.5%
Specifications
Property GB/T 1222 55CrMnA IS 3431 60Cr4V2
Standard GB/T 1222-2016 IS 3431:1982
Category Spring Steel Spring Steel
C (%) 0.52–0.60 0.55-0.65
Si (%) 0.17–0.37 0.15-0.35
Mn (%) 0.70–1.00 0.80-1.00
Cr (%) 0.65–0.95 0.90-1.20
P (%) Not specified <=0.045
S (%) Not specified <=0.045
V (%) Not specified >=0.15
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 IS 3431 60Cr4V2
Tensile Strength ≥1225 MPa Not specified
Yield Strength ≥1080 MPa Not specified
Elongation ≥6% Not specified
Core Hardness After Quenching Not specified >=54 HRC (oil, up to 40 mm round / 25 mm flat)
Elongation (quenched and tempered) Not specified >=6%
Hardness, soft annealed Not specified <=255 HB
Hardness, untreated (hot rolled) Not specified above 310 HB (reference value)
Tensile Strength (quenched and tempered) Not specified 1370-1620 MPa
Yield Stress (quenched and tempered) Not specified >=1180 MPa
Typical Applications
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
IS 3431 60Cr4V2
Volute, helical and laminated springs for automotive suspension; hot-rolled (also centreless ground or precision) bars and flats (clause 1.1)
Key Differences
Can GB/T 1222 55CrMnA Be Substituted With IS 3431 60Cr4V2?
GB/T 1222 55CrMnA and IS 3431 60Cr4V2 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)
IS 3431 60Cr4V2
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On M-EX Right Now
GB/T 1222 55CrMnA
2 active listings and RFQs →
IS 3431 60Cr4V2
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Frequently Asked Questions
What is the difference between GB/T 1222 55CrMnA and IS 3431 60Cr4V2?
IS 3431 60Cr4V2 specifies P, S, V which are not specified for GB/T 1222 55CrMnA.
Can GB/T 1222 55CrMnA be substituted with IS 3431 60Cr4V2?
GB/T 1222 55CrMnA and IS 3431 60Cr4V2 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.