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

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

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

As per chemical composition, EN 10088-1 X3CrMnNiN20-9-6 vs ASTM A240/A240M S21603 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 EN 10088-1 X3CrMnNiN20-9-6:
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) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
74.6%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10088-1 X3CrMnNiN20-9-6 ASTM A240/A240M S21603
Standard EN 10088-1:2023 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.040 <=0.03
Si (%) <=1.00 <=0.75
Mn (%) 8.0-10.0 7.50-9.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 19.0-21.5 17.5-22.0
Mo (%) <=0.75 2.00-3.00
Ni (%) 5.5-7.5 5.0-7.0
N (%) 0.15-0.40 0.25-0.50
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 X3CrMnNiN20-9-6 ASTM A240/A240M S21603
Tensile Strength Not specified >=690 MPa
Yield Strength Not specified >=415 MPa
Elongation Not specified >=40%
Hardness Not specified <=241 HB
Condition Not specified Sheet and strip (first condition printed); yield by 0.2 percent offset
Typical Applications
EN 10088-1 X3CrMnNiN20-9-6
Not documented
ASTM A240/A240M S21603
Pressure vessels and general applications (plate, sheet and strip)
Can EN 10088-1 X3CrMnNiN20-9-6 Be Substituted With ASTM A240/A240M S21603?
EN 10088-1 X3CrMnNiN20-9-6 and ASTM A240/A240M S21603 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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EN 10088-1 X3CrMnNiN20-9-6
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ASTM A240/A240M S21603
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Frequently Asked Questions
What is the difference between EN 10088-1 X3CrMnNiN20-9-6 and ASTM A240/A240M S21603?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10088-1 X3CrMnNiN20-9-6 be substituted with ASTM A240/A240M S21603?
EN 10088-1 X3CrMnNiN20-9-6 and ASTM A240/A240M S21603 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.