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EN 10088-1 X2CrNbCu21 vs ASTM A240/A240M S44330

Strong Match — 85.3% match based on chemical composition and mechanical property overlap.

EN 10088-1 X2CrNbCu21 (EN 10088-1:2023) and ASTM A240/A240M S44330 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X2CrNbCu21 is defined under European Standard (EN), originating from Europe, while ASTM A240/A240M S44330 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-1 X2CrNbCu21 vs ASTM A240/A240M S44330 is a 85.3% 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 85.3%.

Frequently Compared With EN 10088-1 X2CrNbCu21:
IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 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) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
85.3%
MECHANICAL MATCH
No shared data
OVERALL
85.3%
Specifications
Property EN 10088-1 X2CrNbCu21 ASTM A240/A240M S44330
Standard EN 10088-1:2023 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.025
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 20.0-21.5 20.0-23.0
N (%) <=0.030 <=0.025
Nb (%) 0.20-1.00 Not specified
Cu (%) 0.10-1.00 0.30-0.80
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10088-1 X2CrNbCu21 ASTM A240/A240M S44330
Tensile Strength Not specified >=390 MPa
Yield Strength Not specified >=205 MPa
Elongation Not specified >=22%
Hardness Not specified <=187 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
EN 10088-1 X2CrNbCu21
Not documented
ASTM A240/A240M S44330
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can EN 10088-1 X2CrNbCu21 Be Substituted With ASTM A240/A240M S44330?
EN 10088-1 X2CrNbCu21 and ASTM A240/A240M S44330 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S44330 is often considered as a substitute for EN 10088-1 X2CrNbCu21 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
EN 10088-1 X2CrNbCu21
0 active listings and RFQs →
ASTM A240/A240M S44330
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Frequently Asked Questions
What is the difference between EN 10088-1 X2CrNbCu21 and ASTM A240/A240M S44330?
EN 10088-1 X2CrNbCu21 specifies Nb which is not specified for ASTM A240/A240M S44330.
Can EN 10088-1 X2CrNbCu21 be substituted with ASTM A240/A240M S44330?
EN 10088-1 X2CrNbCu21 and ASTM A240/A240M S44330 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S44330 is often considered as a substitute for EN 10088-1 X2CrNbCu21 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.