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IS 3195 60Si7 vs GB/T 1222 55CrMnA

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 3195 60Si7 (IS 3195:1992) and GB/T 1222 55CrMnA (GB/T 1222-2016) are both steel grades. Both fall under the Spring Steel category. IS 3195 60Si7 is typically used for used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers., while GB/T 1222 55CrMnA is commonly used for automotive leaf springs, coil springs. IS 3195 60Si7 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 3195 60Si7 vs GB/T 1222 55CrMnA is a 74.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 3195 60Si7:
IS 3431 60Si7 EN 10083-1 51CrV4 EN 10089 55Cr3 IS 1570 (Part 4) 65Si7 IS 1570 (Part 4) 55Si7 IS 3195 50Cr4V2 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 60Si7 EN 10089 50CrV4 IS 3195 65Si7 IS 5517 55Cr3 BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
74.1%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 3195 60Si7 GB/T 1222 55CrMnA
Standard IS 3195:1992 GB/T 1222-2016
Category Spring Steel Spring Steel
C (%) 0.55-0.65 0.52–0.60
Mn (%) 0.80-1.00 0.70–1.00
P (%) <=0.030 Not specified
S (%) <=0.030 Not specified
Si (%) 1.50-2.00 0.17–0.37
Cr (%) Not specified 0.65–0.95
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 3195 60Si7 GB/T 1222 55CrMnA
Hardness, annealed <=245 HB Not specified
Hardness, untreated (hot rolled) about 255 HB (for guidance only) Not specified
Tensile Strength Not specified ≥1225 MPa
Yield Strength Not specified ≥1080 MPa
Elongation Not specified ≥6%
Typical Applications
IS 3195 60Si7
Used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers.
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
Key Differences
Can IS 3195 60Si7 Be Substituted With GB/T 1222 55CrMnA?
IS 3195 60Si7 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 3195 60Si7
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–5800 mm (224.41–228.35 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
IS 3195 60Si7
2 active listings and RFQs →
GB/T 1222 55CrMnA
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3195 60Si7 and GB/T 1222 55CrMnA?
IS 3195 60Si7 specifies P, S which are not specified for GB/T 1222 55CrMnA. GB/T 1222 55CrMnA specifies Cr which is not specified for IS 3195 60Si7.
Can IS 3195 60Si7 be substituted with GB/T 1222 55CrMnA?
IS 3195 60Si7 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.