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IS 11169 (Part 1) 40Cr4 vs BS 970 EN111A

Close Alternative — 72.8% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 40Cr4 (IS 11169 (Part 1):2022) and BS 970 EN111A (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN111A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 40Cr4 vs BS 970 EN111A is a 72.8% 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 72.8%.

Frequently Compared With IS 11169 (Part 1) 40Cr4:
IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6
Match Breakdown
CHEMISTRY MATCH
72.8%
MECHANICAL MATCH
No shared data
OVERALL
72.8%
Specifications
Property IS 11169 (Part 1) 40Cr4 BS 970 EN111A
Standard IS 11169 (Part 1):2022 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.33-0.38
Cr (%) 0.90-1.20 0.45-0.75
Cu (%) <=0.15 Not specified
Mn (%) 0.60-0.90 0.60-0.90
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 1.00-1.50
P (%) <=0.035 <=0.050
S (%) <=0.035 <=0.050
Si (%) 0.10-0.35 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 40Cr4 BS 970 EN111A
Core Hardness (CH) >=50 HRC up to 16 mm Not specified
Tensile Strength, annealed (+AC) <=620 MPa (over 5 to 40 mm) Not specified
Typical Applications
IS 11169 (Part 1) 40Cr4
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
BS 970 EN111A
Not documented
Key Differences
Can IS 11169 (Part 1) 40Cr4 Be Substituted With BS 970 EN111A?
IS 11169 (Part 1) 40Cr4 and BS 970 EN111A 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.
On M-EX Right Now
IS 11169 (Part 1) 40Cr4
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BS 970 EN111A
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 40Cr4 and BS 970 EN111A?
IS 11169 (Part 1) 40Cr4 specifies Cu, Mo which are not specified for BS 970 EN111A.
Can IS 11169 (Part 1) 40Cr4 be substituted with BS 970 EN111A?
IS 11169 (Part 1) 40Cr4 and BS 970 EN111A 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.