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ASTM A240/A240M S33550 vs EN 10088-1 1.4401

Minimal Match — 29.4% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S33550 (ASTM A240/A240M:2025) and EN 10088-1 1.4401 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S33550 is typically used for pressure vessels and general applications (plate, sheet and strip), while EN 10088-1 1.4401 is commonly used for marine, chemical processing, pharmaceutical equipment. ASTM A240/A240M S33550 is defined under ASTM International, originating from United States, while EN 10088-1 1.4401 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S33550 vs EN 10088-1 1.4401 is a 44.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 29.4%.

Frequently Compared With ASTM A240/A240M S33550:
GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
44.1%
MECHANICAL MATCH
0%
OVERALL
29.4%
Specifications
Property ASTM A240/A240M S33550 EN 10088-1 1.4401
Standard ASTM A240/A240M:2025 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 ≤0.07
Mn (%) <=1.50 ≤2.00
P (%) <=0.040 Not specified
S (%) <=0.030 Not specified
Si (%) <=1.00 ≤1.00
Cr (%) 25.0-28.0 16.5–18.5
Ni (%) 16.5-20.0 10.5–13.5
N (%) 0.18-0.25 Not specified
Nb (%) 0.05-0.15 Not specified
Mo (%) Not specified 2.0–2.5
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 S33550 EN 10088-1 1.4401
Tensile Strength >=600 MPa ≥520 MPa
Yield Strength >=280 MPa ≥210 MPa
Elongation >=35% ≥40%
Hardness <=217 HB ≤215 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S33550
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 1.4401
Marine, chemical processing, pharmaceutical equipment
Key Differences
Can ASTM A240/A240M S33550 Be Substituted With EN 10088-1 1.4401?
ASTM A240/A240M S33550 and EN 10088-1 1.4401 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
ASTM A240/A240M S33550
No active listings currently.
EN 10088-1 1.4401
Sheet → (4 listings)
Thickness: 6–6 mm (0.24–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2500–3400 mm (98.43–133.86 in)
On M-EX Right Now
ASTM A240/A240M S33550
0 active listings and RFQs →
EN 10088-1 1.4401
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S33550 and EN 10088-1 1.4401?
ASTM A240/A240M S33550 specifies P, S, N, Nb which are not specified for EN 10088-1 1.4401. EN 10088-1 1.4401 specifies Mo which is not specified for ASTM A240/A240M S33550.
Can ASTM A240/A240M S33550 be substituted with EN 10088-1 1.4401?
ASTM A240/A240M S33550 and EN 10088-1 1.4401 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.