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GB/T 1222 55CrMnA vs IS 3195 60Si7

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

GB/T 1222 55CrMnA (GB/T 1222-2016) and IS 3195 60Si7 (IS 3195:1992) 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 3195 60Si7 is commonly used for used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers.. GB/T 1222 55CrMnA is defined under Guobiao Standards (GB/T), originating from China, while IS 3195 60Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, GB/T 1222 55CrMnA vs IS 3195 60Si7 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 GB/T 1222 55CrMnA:
EN 10089 55Cr3 EN 10089 55Si7 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 5517 55Cr3 IS 3431 60Cr4V2 IS 3195 60Cr4V2 IS 3195 50Cr4V2 IS 3195 52Cr4Mo2V IS 1570 (Part 4) 55Si7 IS 4367 55Si7 BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
74.1%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property GB/T 1222 55CrMnA IS 3195 60Si7
Standard GB/T 1222-2016 IS 3195:1992
Category Spring Steel Spring Steel
C (%) 0.52–0.60 0.55-0.65
Si (%) 0.17–0.37 1.50-2.00
Mn (%) 0.70–1.00 0.80-1.00
Cr (%) 0.65–0.95 Not specified
P (%) Not specified <=0.030
S (%) Not specified <=0.030
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 3195 60Si7
Tensile Strength ≥1225 MPa Not specified
Yield Strength ≥1080 MPa Not specified
Elongation ≥6% Not specified
Hardness, annealed Not specified <=245 HB
Hardness, untreated (hot rolled) Not specified about 255 HB (for guidance only)
Typical Applications
GB/T 1222 55CrMnA
Automotive leaf springs, coil springs
IS 3195 60Si7
Used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers.
Key Differences
Can GB/T 1222 55CrMnA Be Substituted With IS 3195 60Si7?
GB/T 1222 55CrMnA and IS 3195 60Si7 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 3195 60Si7
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–5800 mm (224.41–228.35 in)
On M-EX Right Now
GB/T 1222 55CrMnA
2 active listings and RFQs →
IS 3195 60Si7
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 1222 55CrMnA and IS 3195 60Si7?
GB/T 1222 55CrMnA specifies Cr which is not specified for IS 3195 60Si7. IS 3195 60Si7 specifies P, S which are not specified for GB/T 1222 55CrMnA.
Can GB/T 1222 55CrMnA be substituted with IS 3195 60Si7?
GB/T 1222 55CrMnA and IS 3195 60Si7 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.