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BS 970 (Part 1) 606M36 vs IS 1570 (Part 4) 35Mn6Mo3

Strong Match — 87.7% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 606M36 (BS 970 (Part 1):1983) and IS 1570 (Part 4) 35Mn6Mo3 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 606M36 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 35Mn6Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 606M36 vs IS 1570 (Part 4) 35Mn6Mo3 is a 87.7% 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 87.7%.

Frequently Compared With BS 970 (Part 1) 606M36:
IS 1570 (Part 4) 103Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
87.7%
MECHANICAL MATCH
No shared data
OVERALL
87.7%
Specifications
Property BS 970 (Part 1) 606M36 IS 1570 (Part 4) 35Mn6Mo3
Standard BS 970 (Part 1):1983 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.32-0.40 0.30-0.40
Mn (%) 1.30-1.70 1.30-1.80
Si (%) <=0.25 0.10-0.35
P (%) <=0.060 Not specified
S (%) 0.15-0.25 Not specified
Mo (%) 0.22-0.32 0.20-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 606M36 IS 1570 (Part 4) 35Mn6Mo3
Tensile Strength Not specified 990-1140 MPa
Yield Strength Not specified >=750 MPa (0.2 % proof stress)
Elongation Not specified >=10%
Izod Impact Not specified >=48 J
Hardness Not specified 285-341 HBS (guidance only)
Condition Not specified Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm
Typical Applications
BS 970 (Part 1) 606M36
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
IS 1570 (Part 4) 35Mn6Mo3
Not documented
Key Differences
Can BS 970 (Part 1) 606M36 Be Substituted With IS 1570 (Part 4) 35Mn6Mo3?
BS 970 (Part 1) 606M36 and IS 1570 (Part 4) 35Mn6Mo3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 35Mn6Mo3 is often considered as a substitute for BS 970 (Part 1) 606M36 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 (Part 1) 606M36
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IS 1570 (Part 4) 35Mn6Mo3
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 606M36 and IS 1570 (Part 4) 35Mn6Mo3?
BS 970 (Part 1) 606M36 specifies P, S which are not specified for IS 1570 (Part 4) 35Mn6Mo3.
Can BS 970 (Part 1) 606M36 be substituted with IS 1570 (Part 4) 35Mn6Mo3?
BS 970 (Part 1) 606M36 and IS 1570 (Part 4) 35Mn6Mo3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 35Mn6Mo3 is often considered as a substitute for BS 970 (Part 1) 606M36 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.