Post Stock Login Register

IS 5517 55Cr3 vs BS 970 EN47

Close Alternative — 72.9% match based on chemical composition and mechanical property overlap.

IS 5517 55Cr3 (IS 5517:1993) and BS 970 EN47 (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. IS 5517 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN47 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 55Cr3 vs BS 970 EN47 is a 72.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 72.9%.

Frequently Compared With IS 5517 55Cr3:
IS 3195 50Cr4V2 EN 10083-1 51CrV4 IS 4367 55Si7 IS 3195 55Si7 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 3431 60Cr4V2 IS 3195 113C6 GB/T 1222 55CrMnA IS 3195 98C6 EN 10089 55Cr3
Match Breakdown
CHEMISTRY MATCH
72.9%
MECHANICAL MATCH
No shared data
OVERALL
72.9%
Specifications
Property IS 5517 55Cr3 BS 970 EN47
Standard IS 5517:1993 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.45-0.55
Si (%) 0.10-0.35 <=0.50
Mn (%) 0.60-0.80 0.50-0.80
Cr (%) 0.60-0.80 0.80-1.20
S (%) <=0.035 <=0.050
P (%) <=0.035 <=0.050
V (%) Not specified >=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 5517 55Cr3 BS 970 EN47
Tensile Strength 900-1050 MPa Not specified
Yield Strength (0.2% proof) 660 MPa min Not specified
Elongation >=12% Not specified
Izod Impact 35 J min Not specified
Hardness (annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 63 mm Not specified
Typical Applications
IS 5517 55Cr3
Not documented
BS 970 EN47
Coil springs, leaf springs, torsion bars, valve springs, suspension springs, industrial springs requiring high fatigue life.
Key Differences
Can IS 5517 55Cr3 Be Substituted With BS 970 EN47?
IS 5517 55Cr3 and BS 970 EN47 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
IS 5517 55Cr3
No active listings currently.
BS 970 EN47
Round Bar → (4 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5700–6400 mm (224.41–251.97 in)
On M-EX Right Now
IS 5517 55Cr3
0 active listings and RFQs →
BS 970 EN47
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 5517 55Cr3 and BS 970 EN47?
BS 970 EN47 specifies V which is not specified for IS 5517 55Cr3.
Can IS 5517 55Cr3 be substituted with BS 970 EN47?
IS 5517 55Cr3 and BS 970 EN47 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.