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IS 5517 35Mn6Mo4 vs BS 970 (Part 1) 605H37

Close Alternative — 80.4% match based on chemical composition and mechanical property overlap.

IS 5517 35Mn6Mo4 (IS 5517:1993) and BS 970 (Part 1) 605H37 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 5517 35Mn6Mo4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 605H37 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 35Mn6Mo4 vs BS 970 (Part 1) 605H37 is a 80.4% 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 80.4%.

Frequently Compared With IS 5517 35Mn6Mo4:
NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
80.4%
MECHANICAL MATCH
No shared data
OVERALL
80.4%
Specifications
Property IS 5517 35Mn6Mo4 BS 970 (Part 1) 605H37
Standard IS 5517:1993 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.30-0.40 0.34-0.41
Si (%) 0.10-0.35 Not specified
Mn (%) 1.30-1.80 1.25-1.75
Mo (%) 0.35-0.55 0.22-0.32
S (%) <=0.035 <=0.040
P (%) <=0.035 <=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 IS 5517 35Mn6Mo4 BS 970 (Part 1) 605H37
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) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 150 mm Not specified
Typical Applications
IS 5517 35Mn6Mo4
Not documented
BS 970 (Part 1) 605H37
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can IS 5517 35Mn6Mo4 Be Substituted With BS 970 (Part 1) 605H37?
IS 5517 35Mn6Mo4 and BS 970 (Part 1) 605H37 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.
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IS 5517 35Mn6Mo4
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BS 970 (Part 1) 605H37
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Frequently Asked Questions
What is the difference between IS 5517 35Mn6Mo4 and BS 970 (Part 1) 605H37?
IS 5517 35Mn6Mo4 specifies Si which is not specified for BS 970 (Part 1) 605H37.
Can IS 5517 35Mn6Mo4 be substituted with BS 970 (Part 1) 605H37?
IS 5517 35Mn6Mo4 and BS 970 (Part 1) 605H37 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.