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BS 970 EN15A vs SAE J403 1536

Strong Match — 87.3% match based on chemical composition and mechanical property overlap.

BS 970 EN15A (BS 970:1955) and SAE J403 1536 (SAE J403:2014) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN15A 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) tons/sq in according to ruling section., while SAE J403 1536 is commonly used for chemistry-only grade; product scope as listed in the composition notes. BS 970 EN15A is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1536 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN15A vs SAE J403 1536 is a 87.3% 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 87.3%.

Frequently Compared With BS 970 EN15A:
BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
87.3%
MECHANICAL MATCH
No shared data
OVERALL
87.3%
Specifications
Property BS 970 EN15A SAE J403 1536
Standard BS 970:1955 SAE J403:2014
Category Carbon Steel Carbon Steel
C (%) 0.30-0.40 0.30-0.37
Si (%) 0.05-0.35 Not specified
Mn (%) 1.30-1.70 1.20-1.50
S (%) <=0.060 <=0.035 (flat rolled), <=0.050 (long products)
P (%) <=0.060 <=0.030 (flat rolled), <=0.040 (long products)
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 EN15A SAE J403 1536
Tensile Strength ≥618 MPa (40 tons/sq in, converted) Not specified
Yield Strength ≥432 MPa (28 tons/sq in, converted) Not specified
Elongation ≥22% 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 EN15A
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) tons/sq in according to ruling section.
SAE J403 1536
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 EN15A Be Substituted With SAE J403 1536?
BS 970 EN15A and SAE J403 1536 overlap closely enough on chemistry and mechanical properties that SAE J403 1536 is often considered as a substitute for BS 970 EN15A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 EN15A
No active listings currently.
SAE J403 1536
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6700–6800 mm (263.78–267.72 in)
On M-EX Right Now
BS 970 EN15A
0 active listings and RFQs →
SAE J403 1536
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN15A and SAE J403 1536?
BS 970 EN15A specifies Si which is not specified for SAE J403 1536.
Can BS 970 EN15A be substituted with SAE J403 1536?
BS 970 EN15A and SAE J403 1536 overlap closely enough on chemistry and mechanical properties that SAE J403 1536 is often considered as a substitute for BS 970 EN15A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.