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GB/T 1222 55CrMnA vs IS 5517 55Cr3

Related Material — 56.6% match based on chemical composition and mechanical property overlap.

GB/T 1222 55CrMnA (GB/T 1222-2016) and IS 5517 55Cr3 (IS 5517:1993) are both steel grades. Both fall under the Spring Steel category. GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China, while IS 5517 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1222 55CrMnA vs IS 5517 55Cr3 is a 85% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 56.6%.

Frequently Compared With GB/T 1222 55CrMnA:
EN 10089 55Si7 EN 10089 55Cr3 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 60Cr4V2 IS 3431 60Cr4V2 IS 3195 50Cr4V2 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7 IS 4367 55Si7 IS 3195 60Si7 BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
85%
MECHANICAL MATCH
0%
OVERALL
56.6%
Specifications
Property GB/T 1222 55CrMnA IS 5517 55Cr3
Standard GB/T 1222-2016 IS 5517:1993
Category Spring Steel Spring Steel
C (%) 0.52–0.60 0.50-0.60
Si (%) 0.17–0.37 0.10-0.35
Mn (%) 0.70–1.00 0.60-0.80
Cr (%) 0.65–0.95 0.60-0.80
S (%) Not specified <=0.035
P (%) Not specified <=0.035
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 5517 55Cr3
Tensile Strength ≥1225 MPa 900-1050 MPa
Yield Strength ≥1080 MPa Not specified
Elongation ≥6% >=12%
Yield Strength (0.2% proof) Not specified 660 MPa min
Izod Impact Not specified 35 J min
Hardness (annealed) Not specified <=220 HB
Condition Not specified Hardened and tempered, ruling section up to 63 mm
Typical Applications
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
IS 5517 55Cr3
Not documented
Key Differences
Can GB/T 1222 55CrMnA Be Substituted With IS 5517 55Cr3?
GB/T 1222 55CrMnA and IS 5517 55Cr3 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 5517 55Cr3
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On M-EX Right Now
GB/T 1222 55CrMnA
2 active listings and RFQs →
IS 5517 55Cr3
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Frequently Asked Questions
What is the difference between GB/T 1222 55CrMnA and IS 5517 55Cr3?
IS 5517 55Cr3 specifies S, P which are not specified for GB/T 1222 55CrMnA.
Can GB/T 1222 55CrMnA be substituted with IS 5517 55Cr3?
GB/T 1222 55CrMnA and IS 5517 55Cr3 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.