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BS 970 (Part 1) 170H36 vs BS 970 (Part 1) 170H20

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 170H36 (BS 970 (Part 1):1983) and BS 970 (Part 1) 170H20 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 170H36 is typically used for through hardening steel for mechanical and allied engineering purposes (table 6 gives composition only; see the hardenability tables)., while BS 970 (Part 1) 170H20 is commonly used for through hardening boron steel (section three). BS 970 (Part 1) 170H36 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 170H20 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 170H36 vs BS 970 (Part 1) 170H20 is a 90% 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 84.9%.

Frequently Compared With BS 970 (Part 1) 170H36:
IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
90%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 (Part 1) 170H36 BS 970 (Part 1) 170H20
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.32-0.39 0.17-0.23
Mn (%) 0.80-1.10 0.80-1.10
B (%) 0.0005-0.005 0.0005-0.005
P (%) <=0.035 Not specified
S (%) <=0.040 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
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).
BS 970 (Part 1) 170H20
Through hardening boron steel (section three)
Key Differences
Can BS 970 (Part 1) 170H36 Be Substituted With BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H36 and BS 970 (Part 1) 170H20 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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BS 970 (Part 1) 170H36
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BS 970 (Part 1) 170H20
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 170H36 and BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H36 specifies P, S which are not specified for BS 970 (Part 1) 170H20.
Can BS 970 (Part 1) 170H36 be substituted with BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H36 and BS 970 (Part 1) 170H20 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.