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IS 4367 36Si7 vs BS 970 (Part 1) 170H41

Close Alternative — 80.6% match based on chemical composition and mechanical property overlap.

IS 4367 36Si7 (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 36Si7 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 36Si7 vs BS 970 (Part 1) 170H41 is a 80.6% 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 80.6%.

Frequently Compared With IS 4367 36Si7:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 10Cr20Mo6
Match Breakdown
CHEMISTRY MATCH
80.6%
MECHANICAL MATCH
No shared data
OVERALL
80.6%
Specifications
Property IS 4367 36Si7 BS 970 (Part 1) 170H41
Standard IS 4367:1991 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.33-0.40 0.37-0.44
Si (%) 1.50-2.00 Not specified
Mn (%) 0.80-1.00 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 36Si7 BS 970 (Part 1) 170H41
Tensile Strength 800-950 MPa Not specified
Hardness 235-280 HB Not specified
Hardness (soft annealed) <=217 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Not specified
Typical Applications
IS 4367 36Si7
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 36Si7 Be Substituted With BS 970 (Part 1) 170H41?
IS 4367 36Si7 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 36Si7
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BS 970 (Part 1) 170H41
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Frequently Asked Questions
What is the difference between IS 4367 36Si7 and BS 970 (Part 1) 170H41?
IS 4367 36Si7 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 36Si7.
Can IS 4367 36Si7 be substituted with BS 970 (Part 1) 170H41?
IS 4367 36Si7 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.