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IS 1570 (Part 4) 35Mn6Mo3 vs BS 970 (Part 3) 606M36

Strong Match — 89.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 35Mn6Mo3 (IS 1570 (Part 4):1988) and BS 970 (Part 3) 606M36 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 35Mn6Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 606M36 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 4) 35Mn6Mo3 vs BS 970 (Part 3) 606M36 is a 89.6% 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 89.6%.

Frequently Compared With IS 1570 (Part 4) 35Mn6Mo3:
NF A35-565 100C6 IS 1570 (Part 7) 12Cr4Mo5H UNI 11234 100Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
89.6%
MECHANICAL MATCH
No shared data
OVERALL
89.6%
Specifications
Property IS 1570 (Part 4) 35Mn6Mo3 BS 970 (Part 3) 606M36
Standard IS 1570 (Part 4):1988 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.30-0.40 0.32-0.40
Si (%) 0.10-0.35 0.10-0.40
Mn (%) 1.30-1.80 1.30-1.70
Mo (%) 0.20-0.35 0.22-0.32
P (%) Not specified <=0.035
S (%) Not specified 0.15-0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 35Mn6Mo3 BS 970 (Part 3) 606M36
Tensile Strength 990-1140 MPa Not specified
Yield Strength >=750 MPa (0.2 % proof stress) Not specified
Elongation >=10% Not specified
Izod Impact >=48 J Not specified
Hardness 285-341 HBS (guidance only) Not specified
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm Not specified
Typical Applications
IS 1570 (Part 4) 35Mn6Mo3
Not documented
BS 970 (Part 3) 606M36
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
Key Differences
Can IS 1570 (Part 4) 35Mn6Mo3 Be Substituted With BS 970 (Part 3) 606M36?
IS 1570 (Part 4) 35Mn6Mo3 and BS 970 (Part 3) 606M36 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 606M36 is often considered as a substitute for IS 1570 (Part 4) 35Mn6Mo3 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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IS 1570 (Part 4) 35Mn6Mo3
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BS 970 (Part 3) 606M36
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 35Mn6Mo3 and BS 970 (Part 3) 606M36?
BS 970 (Part 3) 606M36 specifies P, S which are not specified for IS 1570 (Part 4) 35Mn6Mo3.
Can IS 1570 (Part 4) 35Mn6Mo3 be substituted with BS 970 (Part 3) 606M36?
IS 1570 (Part 4) 35Mn6Mo3 and BS 970 (Part 3) 606M36 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 606M36 is often considered as a substitute for IS 1570 (Part 4) 35Mn6Mo3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.