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BS 970 EN1A vs SAE J403 1132

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 EN1A (BS 970:1955) and SAE J403 1132 (SAE J403:2009) are both steel grades. Both fall under the Free Machining Steel category. BS 970 EN1A is typically used for automatic screw machine parts, bolts, studs, shafts, while SAE J403 1132 is commonly used for chemistry-only grade; product scope as listed in the composition notes. BS 970 EN1A is defined under British Standards (BS), originating from United Kingdom, while SAE J403 1132 is defined under SAE International, originating from United States.

As per chemical composition, BS 970 EN1A vs SAE J403 1132 is a 75.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With BS 970 EN1A:
SAE J403 1117 SAE J403 1141 SAE J403 1144 IS 4432 10C8S10 IS 1570 (Part 3) 10C8S10 SAE J403 1118 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1117 SAE J403 1117
Match Breakdown
CHEMISTRY MATCH
75.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN1A SAE J403 1132
Standard BS 970:1955 SAE J403:2009
Category Free Machining Steel Free Machining Steel
C (%) 0.07-0.15 0.27-0.34
Si (%) <=0.10 Not specified
Mn (%) 0.80-1.20 1.35-1.65
S (%) 0.20-0.30 0.08-0.13
P (%) <=0.070 <=0.030
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 EN1A SAE J403 1132
Tensile Strength ≥355 MPa (23 tons/sq in, converted) Not specified
Elongation ≥26% Not specified
Condition As rolled, normalised or bright finished (other than cold rolled or cold drawn), ruling section 4 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN1A
Automatic screw machine parts, bolts, studs, shafts
SAE J403 1132
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can BS 970 EN1A Be Substituted With SAE J403 1132?
BS 970 EN1A and SAE J403 1132 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
BS 970 EN1A
Round Bar → (3 listings)
Diameter: 70–70 mm (2.76–2.76 in)
Length: 4400–5000 mm (173.23–196.85 in)
SAE J403 1132
No active listings currently.
On M-EX Right Now
BS 970 EN1A
3 active listings and RFQs →
SAE J403 1132
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN1A and SAE J403 1132?
BS 970 EN1A specifies Si which is not specified for SAE J403 1132.
Can BS 970 EN1A be substituted with SAE J403 1132?
BS 970 EN1A and SAE J403 1132 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.