Strong Match — 87.6% match
based on chemical composition and mechanical property overlap.
BS 970 EN15B (BS 970:1955) and BS 970 (Part 1) 080A37 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Carbon Steel category.
BS 970 EN15B is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for 40/50 (q), 45/55 (r), 50/60 (s), 55/65 (t) tons/sq in according to ruling section., while BS 970 (Part 1) 080A37 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6..
BS 970 EN15B is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 080A37 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, BS 970 EN15B vs BS 970 (Part 1) 080A37 is a 87.6% 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 87.6%.
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 EN15B
BS 970 (Part 1) 080A37
Tensile Strength
≥618 MPa (40 tons/sq in, converted)
Not specified
Yield Strength
≥402 MPa (26 tons/sq in, converted)
Not specified
Elongation
≥20%
Not specified
Hardness
179-229 HB
Not specified
Condition
Hardened and tempered Q, ruling section 4 in (lowest-strength condition of the standard)
Not specified
Typical Applications
BS 970 EN15B
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for 40/50 (Q), 45/55 (R), 50/60 (S), 55/65 (T) tons/sq in according to ruling section.
BS 970 (Part 1) 080A37
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
BS 970 EN15B specifies Si which is not specified for BS 970 (Part 1) 080A37.
Can BS 970 EN15B Be Substituted With BS 970 (Part 1) 080A37?
BS 970 EN15B and BS 970 (Part 1) 080A37 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A37 is often considered as a substitute for BS 970 EN15B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between BS 970 EN15B and BS 970 (Part 1) 080A37?
BS 970 EN15B specifies Si which is not specified for BS 970 (Part 1) 080A37.
Can BS 970 EN15B be substituted with BS 970 (Part 1) 080A37?
BS 970 EN15B and BS 970 (Part 1) 080A37 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A37 is often considered as a substitute for BS 970 EN15B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.