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ASTM A240/A240M S44200 vs BS 970 EN61

Strong Match — 89.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44200 (ASTM A240/A240M:2025) and BS 970 EN61 (BS 970:1955) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44200 is defined under ASTM International, originating from United States, while BS 970 EN61 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A240/A240M S44200 vs BS 970 EN61 is a 89.7% 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 89.7%.

Frequently Compared With ASTM A240/A240M S44200:
GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
89.7%
MECHANICAL MATCH
No shared data
OVERALL
89.7%
Specifications
Property ASTM A240/A240M S44200 BS 970 EN61
Standard ASTM A240/A240M:2025 BS 970:1955
Category Stainless Steel Stainless Steel
C (%) <=0.20 <=0.12
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.045
S (%) <=0.040 <=0.045
Si (%) <=1.00 <=1.00
Cr (%) 18.0-23.0 20.0-22.0
Ni (%) <=0.60 <=0.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S44200 BS 970 EN61
Tensile Strength >=515 MPa Not specified
Yield Strength >=275 MPa Not specified
Elongation >=20% Not specified
Hardness <=217 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S44200
Pressure vessels and general applications (plate, sheet and strip)
BS 970 EN61
Not documented
Can ASTM A240/A240M S44200 Be Substituted With BS 970 EN61?
ASTM A240/A240M S44200 and BS 970 EN61 overlap closely enough on chemistry and mechanical properties that BS 970 EN61 is often considered as a substitute for ASTM A240/A240M S44200 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
ASTM A240/A240M S44200
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BS 970 EN61
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44200 and BS 970 EN61?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S44200 be substituted with BS 970 EN61?
ASTM A240/A240M S44200 and BS 970 EN61 overlap closely enough on chemistry and mechanical properties that BS 970 EN61 is often considered as a substitute for ASTM A240/A240M S44200 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.