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ASTM A240/A240M S43400 vs EN 10088-1 X6CrMoNb17-1

Strong Match — 92% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S43400 (ASTM A240/A240M:2025) and EN 10088-1 X6CrMoNb17-1 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S43400 is defined under ASTM International, originating from United States, while EN 10088-1 X6CrMoNb17-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S43400 vs EN 10088-1 X6CrMoNb17-1 is a 92% 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 92%.

Frequently Compared With ASTM A240/A240M S43400:
IS 1570 (Part 7) 12Cr12MoH GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH EN 10088-1 1.4006 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
92%
MECHANICAL MATCH
No shared data
OVERALL
92%
Specifications
Property ASTM A240/A240M S43400 EN 10088-1 X6CrMoNb17-1
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.12 <=0.08
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=1.00
Cr (%) 16.0-18.05 16.0-18.0
Mo (%) 0.75-1.25 0.80-1.40
N (%) Not specified <=0.040
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 S43400 EN 10088-1 X6CrMoNb17-1
Tensile Strength >=450 MPa Not specified
Yield Strength >=240 MPa Not specified
Elongation >=22% Not specified
Hardness <=89 HRBW Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S43400
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X6CrMoNb17-1
Not documented
Key Differences
Can ASTM A240/A240M S43400 Be Substituted With EN 10088-1 X6CrMoNb17-1?
ASTM A240/A240M S43400 and EN 10088-1 X6CrMoNb17-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X6CrMoNb17-1 is often considered as a substitute for ASTM A240/A240M S43400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A240/A240M S43400
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EN 10088-1 X6CrMoNb17-1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S43400 and EN 10088-1 X6CrMoNb17-1?
EN 10088-1 X6CrMoNb17-1 specifies N which is not specified for ASTM A240/A240M S43400.
Can ASTM A240/A240M S43400 be substituted with EN 10088-1 X6CrMoNb17-1?
ASTM A240/A240M S43400 and EN 10088-1 X6CrMoNb17-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X6CrMoNb17-1 is often considered as a substitute for ASTM A240/A240M S43400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.