IS 1570 (Part 4) 60Si7 vs JIS G4801 SUP6

Strong Match — 93.1% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 60Si7 (IS 1570 (Part 4):1988) and JIS G4801 SUP6 (JIS G 4801:2005) are both steel grades. Both fall under the Spring Steel category. IS 1570 (Part 4) 60Si7 is defined under Bureau of Indian Standards (IS), originating from India, while JIS G4801 SUP6 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, IS 1570 (Part 4) 60Si7 vs JIS G4801 SUP6 is a 93.1% 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 93.1%.

Frequently Compared With IS 1570 (Part 4) 60Si7:
IS 3431 60Si7 IS 1570 (Part 4) 55Si7 IS 3431 55Si7 IS 1570 (Part 4) 65Si7 IS 4367 55Si7 IS 3195 113C6 IS 3195 55Si7 IS 3431 65Si7 IS 3195 98C6 EN 10089 55Si7 IS 3195 60Si7 EN 10089 50CrV4
Match Breakdown
CHEMISTRY MATCH
93.1%
MECHANICAL MATCH
No shared data
OVERALL
93.1%
Specifications
Property IS 1570 (Part 4) 60Si7 JIS G4801 SUP6
Standard IS 1570 (Part 4):1988 JIS G 4801:2005
Category Spring Steel Spring Steel
C (%) 0.55-0.65 0.56–0.64
Si (%) 1.50-2.00 1.50–1.80
Mn (%) 0.80-1.00 0.70–1.00
S (%) Not specified ≤0.030
P (%) 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 IS 1570 (Part 4) 60Si7 JIS G4801 SUP6
Tensile Strength Not specified ≥1130 MPa
Yield Strength Not specified ≥980 MPa
Elongation Not specified ≥7%
Hardness Not specified 341–415 HB
Typical Applications
IS 1570 (Part 4) 60Si7
Not documented
JIS G4801 SUP6
Automotive suspension springs, leaf springs
Key Differences
Can IS 1570 (Part 4) 60Si7 Be Substituted With JIS G4801 SUP6?
IS 1570 (Part 4) 60Si7 and JIS G4801 SUP6 overlap closely enough on chemistry and mechanical properties that JIS G4801 SUP6 is often considered as a substitute for IS 1570 (Part 4) 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 1570 (Part 4) 60Si7
No active listings currently.
JIS G4801 SUP6
Round Bar → (2 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 4500–5700 mm (177.17–224.41 in)
On M-EX Right Now
IS 1570 (Part 4) 60Si7
0 active listings and RFQs →
JIS G4801 SUP6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 60Si7 and JIS G4801 SUP6?
JIS G4801 SUP6 specifies S, P which are not specified for IS 1570 (Part 4) 60Si7.
Can IS 1570 (Part 4) 60Si7 be substituted with JIS G4801 SUP6?
IS 1570 (Part 4) 60Si7 and JIS G4801 SUP6 overlap closely enough on chemistry and mechanical properties that JIS G4801 SUP6 is often considered as a substitute for IS 1570 (Part 4) 60Si7 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.