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BS 970 (Part 3) 070M20 vs BS 970 EN3D

Strong Match — 93.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 070M20 (BS 970 (Part 3):1991) and BS 970 EN3D (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. BS 970 (Part 3) 070M20 is typically used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (table 13), while BS 970 EN3D is commonly used for bright bars for machining. BS 970 (Part 3) 070M20 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN3D is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 3) 070M20 vs BS 970 EN3D is a 93.4% 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 93.4%.

Frequently Compared With BS 970 (Part 3) 070M20:
BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A62 BS 970 (Part 1) 070M20 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 1) 060A72 BS 970 (Part 1) 045A10
Match Breakdown
CHEMISTRY MATCH
93.4%
MECHANICAL MATCH
No shared data
OVERALL
93.4%
Specifications
Property BS 970 (Part 3) 070M20 BS 970 EN3D
Standard BS 970 (Part 3):1991 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.16-0.24 0.15-0.25
Si (%) 0.10-0.40 0.05-0.35
Mn (%) 0.50-0.90 0.60-1.00
P (%) <=0.05 <=0.060
S (%) <=0.05 <=0.060
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 (Part 3) 070M20 BS 970 EN3D
Tensile Strength Not specified ≥432 MPa (28 tons/sq in, converted)
Elongation Not specified ≥15%
Condition Not specified size (diameter or width across flats) Over 2 1/2 in (lowest-strength condition of the standard)
Typical Applications
BS 970 (Part 3) 070M20
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (Table 13)
BS 970 EN3D
Bright bars for machining
Can BS 970 (Part 3) 070M20 Be Substituted With BS 970 EN3D?
BS 970 (Part 3) 070M20 and BS 970 EN3D overlap closely enough on chemistry and mechanical properties that BS 970 EN3D is often considered as a substitute for BS 970 (Part 3) 070M20 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 3) 070M20
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BS 970 EN3D
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 070M20 and BS 970 EN3D?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 070M20 be substituted with BS 970 EN3D?
BS 970 (Part 3) 070M20 and BS 970 EN3D overlap closely enough on chemistry and mechanical properties that BS 970 EN3D is often considered as a substitute for BS 970 (Part 3) 070M20 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.