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EN 10089 55Si7 vs IS 5517 55Cr3

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

EN 10089 55Si7 (EN 10089:2002) and IS 5517 55Cr3 (IS 5517:1993) are both steel grades. Both fall under the Spring Steel category. EN 10089 55Si7 is defined under European Standard (EN), originating from Europe, while IS 5517 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10089 55Si7 vs IS 5517 55Cr3 is a 75.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10089 55Si7:
EN 10089 50CrV4 EN 10083-3 51CrV4 EN 10089 55Cr3 GB/T 1222 55CrMnA IS 1570 (Part 4) 55Si7 IS 1570 (Part 4) 65Si7 IS 1570 (Part 4) 60Si7 IS 4367 55Si7 BS 970 EN42B IS 3195 113C6 IS 3431 50Cr4V2 IS 3195 50Cr4V2
Match Breakdown
CHEMISTRY MATCH
75.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10089 55Si7 IS 5517 55Cr3
Standard EN 10089:2002 IS 5517:1993
Category Spring Steel Spring Steel
C (%) 0.51–0.59 0.50-0.60
Si (%) 1.50–2.00 0.10-0.35
Mn (%) 0.70–1.00 0.60-0.80
S (%) ≤0.040 <=0.035
P (%) ≤0.040 <=0.035
Cr (%) Not specified 0.60-0.80
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 55Si7 IS 5517 55Cr3
Tensile Strength 1000–1200 MPa 900-1050 MPa
Yield Strength ≥900 MPa Not specified
Elongation ≥7% >=12%
Hardness 285–363 HB Not specified
Yield Strength (0.2% proof) Not specified 660 MPa min
Izod Impact Not specified 35 J min
Hardness (annealed) Not specified <=220 HB
Condition Not specified Hardened and tempered, ruling section up to 63 mm
Typical Applications
EN 10089 55Si7
Leaf springs, coil springs, torsion bars
IS 5517 55Cr3
Not documented
Key Differences
Can EN 10089 55Si7 Be Substituted With IS 5517 55Cr3?
EN 10089 55Si7 and IS 5517 55Cr3 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 55Si7
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 4200–7000 mm (165.35–275.59 in)
IS 5517 55Cr3
No active listings currently.
On M-EX Right Now
EN 10089 55Si7
3 active listings and RFQs →
IS 5517 55Cr3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10089 55Si7 and IS 5517 55Cr3?
IS 5517 55Cr3 specifies Cr which is not specified for EN 10089 55Si7.
Can EN 10089 55Si7 be substituted with IS 5517 55Cr3?
EN 10089 55Si7 and IS 5517 55Cr3 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.