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ASTM A240/A240M S42000 vs BS 970 (Part 1) 416S41

Close Alternative — 80.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S42000 (ASTM A240/A240M:2025) and BS 970 (Part 1) 416S41 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S42000 is typically used for pressure vessels and general applications (plate, sheet and strip), while BS 970 (Part 1) 416S41 is commonly used for ferritic and martensitic stainless and heat resisting steel (section five). ASTM A240/A240M S42000 is defined under ASTM International, originating from United States, while BS 970 (Part 1) 416S41 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A240/A240M S42000 vs BS 970 (Part 1) 416S41 is a 80.7% 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 80.7%.

Frequently Compared With ASTM A240/A240M S42000:
ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
80.7%
MECHANICAL MATCH
No shared data
OVERALL
80.7%
Specifications
Property ASTM A240/A240M S42000 BS 970 (Part 1) 416S41
Standard ASTM A240/A240M:2025 BS 970 (Part 1):1991
Category Stainless Steel Stainless Steel
C (%) >=0.15 0.09-0.15
Mn (%) <=1.00 <=1.5
P (%) <=0.040 <=0.060
S (%) <=0.030 <=0.060
Si (%) <=1.00 <=1.0
Cr (%) 12.0-14.0 11.5-13.5
Ni (%) <=0.75 <=1.00
Mo (%) <=0.50 <=0.60
Se (%) Not specified 0.15-0.35
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 S42000 BS 970 (Part 1) 416S41
Tensile Strength <=690 MPa Not specified
Elongation >=15% 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 S42000
Pressure vessels and general applications (plate, sheet and strip)
BS 970 (Part 1) 416S41
Ferritic and martensitic stainless and heat resisting steel (section five)
Key Differences
Can ASTM A240/A240M S42000 Be Substituted With BS 970 (Part 1) 416S41?
ASTM A240/A240M S42000 and BS 970 (Part 1) 416S41 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.
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ASTM A240/A240M S42000
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BS 970 (Part 1) 416S41
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S42000 and BS 970 (Part 1) 416S41?
BS 970 (Part 1) 416S41 specifies Se which is not specified for ASTM A240/A240M S42000.
Can ASTM A240/A240M S42000 be substituted with BS 970 (Part 1) 416S41?
ASTM A240/A240M S42000 and BS 970 (Part 1) 416S41 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.