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BS 970 EN111A vs IS 5517 35Ni5Cr2

Strong Match — 94% match based on chemical composition and mechanical property overlap.

BS 970 EN111A (BS 970:1955) and IS 5517 35Ni5Cr2 (IS 5517:1993) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN111A is defined under British Standards (BS), originating from United Kingdom, while IS 5517 35Ni5Cr2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN111A vs IS 5517 35Ni5Cr2 is a 94% 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 94%.

Frequently Compared With BS 970 EN111A:
IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
94%
MECHANICAL MATCH
No shared data
OVERALL
94%
Specifications
Property BS 970 EN111A IS 5517 35Ni5Cr2
Standard BS 970:1955 IS 5517:1993
Category Alloy Steel Alloy Steel
C (%) 0.33-0.38 0.30-0.40
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.60-0.90 0.60-0.90
Ni (%) 1.00-1.50 1.00-1.50
Cr (%) 0.45-0.75 0.45-0.75
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN111A IS 5517 35Ni5Cr2
Tensile Strength Not specified 700-850 MPa
Yield Strength (0.2% proof) Not specified 540 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness (annealed) Not specified <=229 HB
Condition Not specified Hardened and tempered, ruling section up to 150 mm
Can BS 970 EN111A Be Substituted With IS 5517 35Ni5Cr2?
BS 970 EN111A and IS 5517 35Ni5Cr2 overlap closely enough on chemistry and mechanical properties that IS 5517 35Ni5Cr2 is often considered as a substitute for BS 970 EN111A 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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BS 970 EN111A
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Frequently Asked Questions
What is the difference between BS 970 EN111A and IS 5517 35Ni5Cr2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN111A be substituted with IS 5517 35Ni5Cr2?
BS 970 EN111A and IS 5517 35Ni5Cr2 overlap closely enough on chemistry and mechanical properties that IS 5517 35Ni5Cr2 is often considered as a substitute for BS 970 EN111A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.