IS 3195 60Si7 vs IS 3195 65Si7

Strong Match — 96.3% match based on chemical composition and mechanical property overlap.

IS 3195 60Si7 (IS 3195:1992) and IS 3195 65Si7 (IS 3195:1992) 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 IS 3195 65Si7 is commonly used for volute and helical springs for railway rolling stock; flats and rounds, springs worked hot and heat-treated (clause 1.1, foreword). IS 3195 60Si7 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3195 65Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3195 60Si7 vs IS 3195 65Si7 is a 94.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 96.3%.

Frequently Compared With IS 3195 60Si7:
IS 3431 60Si7 EN 10083-1 51CrV4 EN 10089 55Cr3 IS 1570 (Part 4) 55Si7 IS 1570 (Part 4) 60Si7 IS 1570 (Part 4) 65Si7 IS 3195 50Cr4V2 IS 3195 52Cr4Mo2V EN 10089 50CrV4 IS 5517 55Cr3 GB/T 1222 55CrMnA BS 970 EN42B
Match Breakdown
CHEMISTRY MATCH
94.4%
MECHANICAL MATCH
100%
OVERALL
96.3%
Specifications
Property IS 3195 60Si7 IS 3195 65Si7
Standard IS 3195:1992 IS 3195:1992
Category Spring Steel Spring Steel
C (%) 0.55-0.65 0.60-0.70
Mn (%) 0.80-1.00 0.80-1.00
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
Si (%) 1.50-2.00 1.50-2.00
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 IS 3195 65Si7
Hardness, annealed <=245 HB <=245 HB
Hardness, untreated (hot rolled) about 255 HB (for guidance only) about 255 HB (for guidance only)
Typical Applications
IS 3195 60Si7
Used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers.
IS 3195 65Si7
Volute and helical springs for railway rolling stock; flats and rounds, springs worked hot and heat-treated (clause 1.1, foreword)
Can IS 3195 60Si7 Be Substituted With IS 3195 65Si7?
IS 3195 60Si7 and IS 3195 65Si7 overlap closely enough on chemistry and mechanical properties that IS 3195 65Si7 is often considered as a substitute for IS 3195 60Si7 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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)
IS 3195 65Si7
No active listings currently.
On M-EX Right Now
IS 3195 60Si7
2 active listings and RFQs →
IS 3195 65Si7
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3195 60Si7 and IS 3195 65Si7?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3195 60Si7 be substituted with IS 3195 65Si7?
IS 3195 60Si7 and IS 3195 65Si7 overlap closely enough on chemistry and mechanical properties that IS 3195 65Si7 is often considered as a substitute for IS 3195 60Si7 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.