Strong Match — 92.2% match
based on chemical composition and mechanical property overlap.
IS 3195 60Si7 (IS 3195:1992) and IS 1570 (Part 4) 55Si7 (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Spring Steel category.
IS 3195 60Si7 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 55Si7 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3195 60Si7 vs IS 1570 (Part 4) 55Si7 is a 92.2% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a strong match overall at 92.2%.
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 1570 (Part 4) 55Si7
Hardness, annealed
<=245 HB
Not specified
Hardness, untreated (hot rolled)
about 255 HB (for guidance only)
Not specified
Typical Applications
IS 3195 60Si7
Used in leaf springs, coil springs, suspension parts, agricultural tines, clips, and spring washers.
IS 1570 (Part 4) 55Si7
Not documented
Key Differences
IS 3195 60Si7 specifies P, S which are not specified for IS 1570 (Part 4) 55Si7.
Can IS 3195 60Si7 Be Substituted With IS 1570 (Part 4) 55Si7?
IS 3195 60Si7 and IS 1570 (Part 4) 55Si7 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 55Si7 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.
What is the difference between IS 3195 60Si7 and IS 1570 (Part 4) 55Si7?
IS 3195 60Si7 specifies P, S which are not specified for IS 1570 (Part 4) 55Si7.
Can IS 3195 60Si7 be substituted with IS 1570 (Part 4) 55Si7?
IS 3195 60Si7 and IS 1570 (Part 4) 55Si7 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 55Si7 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.