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ASTM A240/A240M S21603 vs EN 10088-1 X3CrMnNiN20-9-6

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S21603 (ASTM A240/A240M:2025) and EN 10088-1 X3CrMnNiN20-9-6 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S21603 is defined under ASTM International, originating from United States, while EN 10088-1 X3CrMnNiN20-9-6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S21603 vs EN 10088-1 X3CrMnNiN20-9-6 is a 74.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With ASTM A240/A240M S21603:
EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH 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 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
74.6%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M S21603 EN 10088-1 X3CrMnNiN20-9-6
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.03 <=0.040
Mn (%) 7.50-9.00 8.0-10.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.00
Cr (%) 17.5-22.0 19.0-21.5
Ni (%) 5.0-7.0 5.5-7.5
Mo (%) 2.00-3.00 <=0.75
N (%) 0.25-0.50 0.15-0.40
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 S21603 EN 10088-1 X3CrMnNiN20-9-6
Tensile Strength >=690 MPa Not specified
Yield Strength >=415 MPa Not specified
Elongation >=40% Not specified
Hardness <=241 HB Not specified
Condition Sheet and strip (first condition printed); yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S21603
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X3CrMnNiN20-9-6
Not documented
Can ASTM A240/A240M S21603 Be Substituted With EN 10088-1 X3CrMnNiN20-9-6?
ASTM A240/A240M S21603 and EN 10088-1 X3CrMnNiN20-9-6 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.
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ASTM A240/A240M S21603
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EN 10088-1 X3CrMnNiN20-9-6
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S21603 and EN 10088-1 X3CrMnNiN20-9-6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S21603 be substituted with EN 10088-1 X3CrMnNiN20-9-6?
ASTM A240/A240M S21603 and EN 10088-1 X3CrMnNiN20-9-6 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.