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IS 5517 40Ni14 vs BS 970 (Part 3) 637M17

Related Material — 69.3% match based on chemical composition and mechanical property overlap.

IS 5517 40Ni14 (IS 5517:1993) and BS 970 (Part 3) 637M17 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. IS 5517 40Ni14 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 637M17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 40Ni14 vs BS 970 (Part 3) 637M17 is a 69.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.3%.

Frequently Compared With IS 5517 40Ni14:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
69.3%
MECHANICAL MATCH
No shared data
OVERALL
69.3%
Specifications
Property IS 5517 40Ni14 BS 970 (Part 3) 637M17
Standard IS 5517:1993 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.14-0.20
Si (%) 0.10-0.35 0.10-0.40
Mn (%) 0.50-0.80 0.60-0.90
Ni (%) 3.20-3.60 0.85-1.25
Cr (%) <=0.30 0.60-1.00
S (%) <=0.035 <=0.05
P (%) <=0.035 <=0.04
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 40Ni14 BS 970 (Part 3) 637M17
Tensile Strength 800-950 MPa Not specified
Yield Strength (0.2% proof) 600 MPa min Not specified
Elongation >=16% Not specified
Izod Impact 55 J min Not specified
Hardness (annealed) <=229 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Not specified
Typical Applications
IS 5517 40Ni14
Not documented
BS 970 (Part 3) 637M17
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (Table 15)
Can IS 5517 40Ni14 Be Substituted With BS 970 (Part 3) 637M17?
IS 5517 40Ni14 and BS 970 (Part 3) 637M17 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.
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IS 5517 40Ni14
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BS 970 (Part 3) 637M17
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Frequently Asked Questions
What is the difference between IS 5517 40Ni14 and BS 970 (Part 3) 637M17?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 5517 40Ni14 be substituted with BS 970 (Part 3) 637M17?
IS 5517 40Ni14 and BS 970 (Part 3) 637M17 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.