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BS 970 (Part 1) 835M15 vs BS 970 (Part 1) 835H15

Strong Match — 100% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 835M15 (BS 970 (Part 1):1983) and BS 970 (Part 1) 835H15 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 835M15 is typically used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)., while BS 970 (Part 1) 835H15 is commonly used for case hardening steel supplied to specified hardenability limits (end quench test, table 10).. BS 970 (Part 1) 835M15 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 835H15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 835M15 vs BS 970 (Part 1) 835H15 is a 100% 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 100%.

Frequently Compared With BS 970 (Part 1) 835M15:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property BS 970 (Part 1) 835M15 BS 970 (Part 1) 835H15
Standard BS 970 (Part 1):1983 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Mn (%) 0.25-0.50 0.25-0.50
Cr (%) 1.00-1.40 1.00-1.40
Mo (%) 0.15-0.30 0.15-0.30
Ni (%) 3.90-4.30 3.90-4.30
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.040
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) 835M15
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
BS 970 (Part 1) 835H15
Case hardening steel supplied to specified hardenability limits (end quench test, Table 10).
Can BS 970 (Part 1) 835M15 Be Substituted With BS 970 (Part 1) 835H15?
BS 970 (Part 1) 835M15 and BS 970 (Part 1) 835H15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 835H15 is often considered as a substitute for BS 970 (Part 1) 835M15 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) 835M15
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BS 970 (Part 1) 835H15
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 835M15 and BS 970 (Part 1) 835H15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 1) 835M15 be substituted with BS 970 (Part 1) 835H15?
BS 970 (Part 1) 835M15 and BS 970 (Part 1) 835H15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 835H15 is often considered as a substitute for BS 970 (Part 1) 835M15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.