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BS 970 EN1A vs BS 970 (Part 1) 210A15

Close Alternative — 81.6% match based on chemical composition and mechanical property overlap.

BS 970 EN1A (BS 970:1955) and BS 970 (Part 1) 210A15 (BS 970 (Part 1):1983) 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 BS 970 (Part 1) 210A15 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties).. BS 970 EN1A is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 210A15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN1A vs BS 970 (Part 1) 210A15 is a 81.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.6%.

Frequently Compared With BS 970 EN1A:
SAE J403 1117 SAE J403 1141 SAE J403 1144 IS 1570 (Part 3) 10C8S10 IS 4432 10C8S10 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1118 SAE J403 1126 SAE J403 1117 SAE J403 1117
Match Breakdown
CHEMISTRY MATCH
81.6%
MECHANICAL MATCH
No shared data
OVERALL
81.6%
Specifications
Property BS 970 EN1A BS 970 (Part 1) 210A15
Standard BS 970:1955 BS 970 (Part 1):1983
Category Free Machining Steel Free Machining Steel
C (%) 0.07-0.15 0.13-0.18
Si (%) <=0.10 Not specified
Mn (%) 0.80-1.20 0.90-1.20
S (%) 0.20-0.30 0.10-0.18
P (%) <=0.070 <=0.050
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 BS 970 (Part 1) 210A15
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
BS 970 (Part 1) 210A15
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
Can BS 970 EN1A Be Substituted With BS 970 (Part 1) 210A15?
BS 970 EN1A and BS 970 (Part 1) 210A15 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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)
BS 970 (Part 1) 210A15
No active listings currently.
On M-EX Right Now
BS 970 EN1A
3 active listings and RFQs →
BS 970 (Part 1) 210A15
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN1A and BS 970 (Part 1) 210A15?
BS 970 EN1A specifies Si which is not specified for BS 970 (Part 1) 210A15.
Can BS 970 EN1A be substituted with BS 970 (Part 1) 210A15?
BS 970 EN1A and BS 970 (Part 1) 210A15 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.