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IS 4367 37Mn5Si5 vs BS 970 (Part 1) 170H41

Close Alternative — 77.6% match based on chemical composition and mechanical property overlap.

IS 4367 37Mn5Si5 (IS 4367:1991) and BS 970 (Part 1) 170H41 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. IS 4367 37Mn5Si5 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 170H41 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 4367 37Mn5Si5 vs BS 970 (Part 1) 170H41 is a 77.6% 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 77.6%.

Frequently Compared With IS 4367 37Mn5Si5:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
77.6%
MECHANICAL MATCH
No shared data
OVERALL
77.6%
Specifications
Property IS 4367 37Mn5Si5 BS 970 (Part 1) 170H41
Standard IS 4367:1991 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.33-0.41 0.37-0.44
Si (%) 1.10-1.40 Not specified
Mn (%) 1.10-1.40 0.80-1.10
S (%) <=0.035 <=0.040
P (%) <=0.035 <=0.035
B (%) Not specified 0.0005-0.005
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 4367 37Mn5Si5 BS 970 (Part 1) 170H41
Tensile Strength 780-930 MPa Not specified
Yield Strength 590 MPa min Not specified
Elongation >=14% Not specified
Hardness (soft annealed) <=217 HB Not specified
Condition Hardened and tempered Not specified
Typical Applications
IS 4367 37Mn5Si5
Not documented
BS 970 (Part 1) 170H41
Through hardening steel for mechanical and allied engineering purposes (Table 6 gives composition only; see the hardenability tables).
Key Differences
Can IS 4367 37Mn5Si5 Be Substituted With BS 970 (Part 1) 170H41?
IS 4367 37Mn5Si5 and BS 970 (Part 1) 170H41 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 4367 37Mn5Si5
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BS 970 (Part 1) 170H41
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Frequently Asked Questions
What is the difference between IS 4367 37Mn5Si5 and BS 970 (Part 1) 170H41?
IS 4367 37Mn5Si5 specifies Si which is not specified for BS 970 (Part 1) 170H41. BS 970 (Part 1) 170H41 specifies B which is not specified for IS 4367 37Mn5Si5.
Can IS 4367 37Mn5Si5 be substituted with BS 970 (Part 1) 170H41?
IS 4367 37Mn5Si5 and BS 970 (Part 1) 170H41 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.