Post Stock Login Register

BS 970 (Part 1) 170H15 vs BS 970 (Part 1) 170H20

Strong Match — 89.8% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 170H15 (BS 970 (Part 1):1991) 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) 170H15 is typically used for case hardening steel (section four), while BS 970 (Part 1) 170H20 is commonly used for through hardening boron steel (section three). BS 970 (Part 1) 170H15 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) 170H15 vs BS 970 (Part 1) 170H20 is a 89.8% 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 89.8%.

Frequently Compared With BS 970 (Part 1) 170H15:
UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
89.8%
MECHANICAL MATCH
No shared data
OVERALL
89.8%
Specifications
Property BS 970 (Part 1) 170H15 BS 970 (Part 1) 170H20
Standard BS 970 (Part 1):1991 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.17-0.23
Mn (%) 0.80-1.10 0.80-1.10
P (%) <=0.060 Not specified
S (%) 0.03-0.06 Not specified
B (%) 0.0005-0.005 0.0005-0.005
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) 170H15
Case hardening steel (section four)
BS 970 (Part 1) 170H20
Through hardening boron steel (section three)
Key Differences
Can BS 970 (Part 1) 170H15 Be Substituted With BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H15 and BS 970 (Part 1) 170H20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 170H20 is often considered as a substitute for BS 970 (Part 1) 170H15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
BS 970 (Part 1) 170H15
0 active listings and RFQs →
BS 970 (Part 1) 170H20
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 170H15 and BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H15 specifies P, S which are not specified for BS 970 (Part 1) 170H20.
Can BS 970 (Part 1) 170H15 be substituted with BS 970 (Part 1) 170H20?
BS 970 (Part 1) 170H15 and BS 970 (Part 1) 170H20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 170H20 is often considered as a substitute for BS 970 (Part 1) 170H15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.