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IS 4367 55Si7 vs IS 1570 (Part 4) 60Si7

Strong Match — 92.8% match based on chemical composition and mechanical property overlap.

IS 4367 55Si7 (IS 4367:1991) and IS 1570 (Part 4) 60Si7 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Spring Steel category. IS 4367 55Si7 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 60Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 4367 55Si7 vs IS 1570 (Part 4) 60Si7 is a 92.8% 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 92.8%.

Frequently Compared With IS 4367 55Si7:
IS 3431 55Si7 IS 3431 60Si7 IS 1570 (Part 4) 55Si7 IS 5517 55Cr3 IS 1570 (Part 4) 65Si7 IS 3195 55Si7 EN 10089 55Cr3 IS 3431 65Si7 EN 10089 50CrV4 GB/T 1222 55CrMnA EN 10083-3 51CrV4 EN 10089 55Si7
Match Breakdown
CHEMISTRY MATCH
92.8%
MECHANICAL MATCH
No shared data
OVERALL
92.8%
Specifications
Property IS 4367 55Si7 IS 1570 (Part 4) 60Si7
Standard IS 4367:1991 IS 1570 (Part 4):1988
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.55-0.65
Si (%) 1.50-2.00 1.50-2.00
Mn (%) 0.80-1.00 0.80-1.00
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 4367 55Si7 IS 1570 (Part 4) 60Si7
Tensile Strength 1300-1500 MPa Not specified
Hardness 380-440 HB Not specified
Hardness (soft annealed) <=245 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Not specified
Key Differences
Can IS 4367 55Si7 Be Substituted With IS 1570 (Part 4) 60Si7?
IS 4367 55Si7 and IS 1570 (Part 4) 60Si7 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 60Si7 is often considered as a substitute for IS 4367 55Si7 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 4367 55Si7
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IS 1570 (Part 4) 60Si7
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Frequently Asked Questions
What is the difference between IS 4367 55Si7 and IS 1570 (Part 4) 60Si7?
IS 4367 55Si7 specifies S, P which are not specified for IS 1570 (Part 4) 60Si7.
Can IS 4367 55Si7 be substituted with IS 1570 (Part 4) 60Si7?
IS 4367 55Si7 and IS 1570 (Part 4) 60Si7 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 60Si7 is often considered as a substitute for IS 4367 55Si7 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.