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BS 970 (Part 1) 170H36 vs IS 4367 36Si7

Close Alternative — 84.7% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 170H36 (BS 970 (Part 1):1983) and IS 4367 36Si7 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 170H36 is defined under British Standards (BS), originating from United Kingdom, while IS 4367 36Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 170H36 vs IS 4367 36Si7 is a 84.7% 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 84.7%.

Frequently Compared With BS 970 (Part 1) 170H36:
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
84.7%
MECHANICAL MATCH
No shared data
OVERALL
84.7%
Specifications
Property BS 970 (Part 1) 170H36 IS 4367 36Si7
Standard BS 970 (Part 1):1983 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.32-0.39 0.33-0.40
Mn (%) 0.80-1.10 0.80-1.00
B (%) 0.0005-0.005 Not specified
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.035
Si (%) Not specified 1.50-2.00
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) 170H36 IS 4367 36Si7
Tensile Strength Not specified 800-950 MPa
Hardness Not specified 235-280 HB
Hardness (soft annealed) Not specified <=217 HB
Condition Not specified Hardened and tempered, ruling section up to 100 mm
Typical Applications
BS 970 (Part 1) 170H36
Through hardening steel for mechanical and allied engineering purposes (Table 6 gives composition only; see the hardenability tables).
IS 4367 36Si7
Not documented
Key Differences
Can BS 970 (Part 1) 170H36 Be Substituted With IS 4367 36Si7?
BS 970 (Part 1) 170H36 and IS 4367 36Si7 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.
On M-EX Right Now
BS 970 (Part 1) 170H36
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IS 4367 36Si7
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 170H36 and IS 4367 36Si7?
BS 970 (Part 1) 170H36 specifies B which is not specified for IS 4367 36Si7. IS 4367 36Si7 specifies Si which is not specified for BS 970 (Part 1) 170H36.
Can BS 970 (Part 1) 170H36 be substituted with IS 4367 36Si7?
BS 970 (Part 1) 170H36 and IS 4367 36Si7 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.