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IS 5517 55Cr3 vs GB/T 1222 55CrMnA

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

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

As per chemical composition, IS 5517 55Cr3 vs GB/T 1222 55CrMnA 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 IS 5517 55Cr3:
IS 3195 50Cr4V2 EN 10089 50CrV4 IS 4367 55Si7 IS 3195 55Si7 IS 3195 113C6 EN 10083-1 51CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 3431 60Cr4V2 IS 3195 98C6 EN 10089 55Cr3 EN 10083-1 51CrV4
Match Breakdown
CHEMISTRY MATCH
85%
MECHANICAL MATCH
0%
OVERALL
56.6%
Specifications
Property IS 5517 55Cr3 GB/T 1222 55CrMnA
Standard IS 5517:1993 GB/T 1222-2016
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.52–0.60
Si (%) 0.10-0.35 0.17–0.37
Mn (%) 0.60-0.80 0.70–1.00
Cr (%) 0.60-0.80 0.65–0.95
S (%) <=0.035 Not specified
P (%) <=0.035 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 IS 5517 55Cr3 GB/T 1222 55CrMnA
Tensile Strength 900-1050 MPa ≥1225 MPa
Yield Strength (0.2% proof) 660 MPa min Not specified
Elongation >=12% ≥6%
Izod Impact 35 J min Not specified
Hardness (annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 63 mm Not specified
Yield Strength Not specified ≥1080 MPa
Typical Applications
IS 5517 55Cr3
Not documented
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
Key Differences
Can IS 5517 55Cr3 Be Substituted With GB/T 1222 55CrMnA?
IS 5517 55Cr3 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
IS 5517 55Cr3
No active listings currently.
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
IS 5517 55Cr3
0 active listings and RFQs →
GB/T 1222 55CrMnA
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 5517 55Cr3 and GB/T 1222 55CrMnA?
IS 5517 55Cr3 specifies S, P which are not specified for GB/T 1222 55CrMnA.
Can IS 5517 55Cr3 be substituted with GB/T 1222 55CrMnA?
IS 5517 55Cr3 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.