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EN 10089 55Cr3 vs IS 1570 (Part 4) 55Si7

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

EN 10089 55Cr3 (EN 10089:2002) and IS 1570 (Part 4) 55Si7 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Spring Steel category. EN 10089 55Cr3 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 4) 55Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10089 55Cr3 vs IS 1570 (Part 4) 55Si7 is a 79% 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 EN 10089 55Cr3:
EN 10089 50CrV4 EN 10089 55Si7 GB/T 1222 55CrMnA EN 10083-3 51CrV4 IS 3195 60Si7 IS 3195 52Cr4Mo2V IS 3195 60Cr4V2 IS 5517 55Cr3 IS 4367 55Si7 IS 1570 (Part 4) 65Si7 IS 3195 98C6 BS 970 EN42D
Match Breakdown
CHEMISTRY MATCH
79%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN 10089 55Cr3 IS 1570 (Part 4) 55Si7
Standard EN 10089:2002 IS 1570 (Part 4):1988
Category Spring Steel Spring Steel
C (%) 0.52–0.59 0.50-0.60
Si (%) 0.15–0.35 1.50-2.00
Mn (%) 0.70–1.00 0.80-1.00
Cr (%) 0.60–0.90 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 EN 10089 55Cr3 IS 1570 (Part 4) 55Si7
Tensile Strength 1100–1350 MPa Not specified
Yield Strength ≥1000 MPa Not specified
Elongation ≥6% Not specified
Hardness 321–388 HB Not specified
Typical Applications
EN 10089 55Cr3
Automotive leaf springs, heavy coil springs
IS 1570 (Part 4) 55Si7
Not documented
Key Differences
Can EN 10089 55Cr3 Be Substituted With IS 1570 (Part 4) 55Si7?
EN 10089 55Cr3 and IS 1570 (Part 4) 55Si7 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
EN 10089 55Cr3
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 5100–6600 mm (200.79–259.84 in)
IS 1570 (Part 4) 55Si7
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On M-EX Right Now
EN 10089 55Cr3
3 active listings and RFQs →
IS 1570 (Part 4) 55Si7
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Frequently Asked Questions
What is the difference between EN 10089 55Cr3 and IS 1570 (Part 4) 55Si7?
EN 10089 55Cr3 specifies Cr which is not specified for IS 1570 (Part 4) 55Si7.
Can EN 10089 55Cr3 be substituted with IS 1570 (Part 4) 55Si7?
EN 10089 55Cr3 and IS 1570 (Part 4) 55Si7 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.