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ASTM A240/A240M S21640 vs EN 10088-1 X4CrNiMo16-5-1

Related Material — 62.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S21640 (ASTM A240/A240M:2025) and EN 10088-1 X4CrNiMo16-5-1 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S21640 is defined under ASTM International, originating from United States, while EN 10088-1 X4CrNiMo16-5-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S21640 vs EN 10088-1 X4CrNiMo16-5-1 is a 62.8% 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 62.8%.

Frequently Compared With ASTM A240/A240M S21640:
GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4845 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
62.8%
MECHANICAL MATCH
No shared data
OVERALL
62.8%
Specifications
Property ASTM A240/A240M S21640 EN 10088-1 X4CrNiMo16-5-1
Standard ASTM A240/A240M:2025 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.06
Mn (%) 3.50-6.50 <=1.50
P (%) <=0.060 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=0.70
Cr (%) 17.5-19.5 15.0-17.0
Ni (%) 4.0-6.5 4.0-6.0
Mo (%) 0.50-2.00 0.80-1.50
N (%) 0.08-0.30 >=0.020
Nb (%) 0.10-1.00 Not specified
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 S21640 EN 10088-1 X4CrNiMo16-5-1
Tensile Strength >=650 MPa Not specified
Yield Strength >=310 MPa Not specified
Elongation >=40% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S21640
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X4CrNiMo16-5-1
Not documented
Key Differences
Can ASTM A240/A240M S21640 Be Substituted With EN 10088-1 X4CrNiMo16-5-1?
ASTM A240/A240M S21640 and EN 10088-1 X4CrNiMo16-5-1 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 S21640
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EN 10088-1 X4CrNiMo16-5-1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S21640 and EN 10088-1 X4CrNiMo16-5-1?
ASTM A240/A240M S21640 specifies Nb which is not specified for EN 10088-1 X4CrNiMo16-5-1.
Can ASTM A240/A240M S21640 be substituted with EN 10088-1 X4CrNiMo16-5-1?
ASTM A240/A240M S21640 and EN 10088-1 X4CrNiMo16-5-1 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.