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BS 970 (Part 1) 815M17 vs BS 970 (Part 1) 815M17

Strong Match — 98.6% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 815M17 (BS 970 (Part 1):1983) and BS 970 (Part 1) 815M17 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 815M17 is typically used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)., while BS 970 (Part 1) 815M17 is commonly used for case hardening steel (section four). BS 970 (Part 1) 815M17 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 815M17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 815M17 vs BS 970 (Part 1) 815M17 is a 98.6% 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 98.6%.

Frequently Compared With BS 970 (Part 1) 815M17:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
98.6%
MECHANICAL MATCH
No shared data
OVERALL
98.6%
Specifications
Property BS 970 (Part 1) 815M17 BS 970 (Part 1) 815M17
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.14-0.20 0.14-0.20
Mn (%) 0.60-0.90 0.60-0.90
Cr (%) 0.80-1.20 0.80-1.20
Mo (%) 0.10-0.20 0.10-0.20
Ni (%) 1.20-1.70 1.20-1.70
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.
Mechanical Properties
Property BS 970 (Part 1) 815M17 BS 970 (Part 1) 815M17
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 1080 MPa min
Elongation Not specified 8 % min
Typical Applications
BS 970 (Part 1) 815M17
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
BS 970 (Part 1) 815M17
Case hardening steel (section four)
Key Differences
Can BS 970 (Part 1) 815M17 Be Substituted With BS 970 (Part 1) 815M17?
BS 970 (Part 1) 815M17 and BS 970 (Part 1) 815M17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 815M17 is often considered as a substitute for BS 970 (Part 1) 815M17 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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BS 970 (Part 1) 815M17
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 815M17 and BS 970 (Part 1) 815M17?
BS 970 (Part 1) 815M17 specifies P, S which are not specified for BS 970 (Part 1) 815M17.
Can BS 970 (Part 1) 815M17 be substituted with BS 970 (Part 1) 815M17?
BS 970 (Part 1) 815M17 and BS 970 (Part 1) 815M17 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 815M17 is often considered as a substitute for BS 970 (Part 1) 815M17 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.