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ASTM A240/A240M S20910 vs EN 10084 14NiCrMo13-4

Related Material — 60.3% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S20910 (ASTM A240/A240M:2025) and EN 10084 14NiCrMo13-4 (EN 10084:2008) are both steel grades. ASTM A240/A240M S20910 is classified under Stainless Steel, while EN 10084 14NiCrMo13-4 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A240/A240M S20910 is typically used for pressure vessels and general applications (plate, sheet and strip), while EN 10084 14NiCrMo13-4 is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1). ASTM A240/A240M S20910 is defined under ASTM International, originating from United States, while EN 10084 14NiCrMo13-4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S20910 vs EN 10084 14NiCrMo13-4 is a 40.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a related material overall at 60.3%.

Frequently Compared With ASTM A240/A240M S20910:
GOST 5632 08X18H10 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 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
40.4%
MECHANICAL MATCH
100%
OVERALL
60.3%
Specifications
Property ASTM A240/A240M S20910 EN 10084 14NiCrMo13-4
Standard ASTM A240/A240M:2025 EN 10084:2008
Category Stainless Steel Alloy Steel
C (%) <=0.06 0.11-0.17
Mn (%) 4.00-6.00 0.30-0.60
P (%) <=0.040 <=0.025
S (%) <=0.030 <=0.035
Si (%) <=0.75 <=0.40
Cr (%) 20.5-23.5 0.80-1.10
Ni (%) 11.5-13.5 3.00-3.50
Mo (%) 1.50-3.00 0.20-0.30
N (%) 0.20-0.40 Not specified
Nb (%) 0.10-0.30 Not specified
V (%) 0.10-0.30 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 S20910 EN 10084 14NiCrMo13-4
Tensile Strength >=725 MPa Not specified
Yield Strength >=415 MPa Not specified
Elongation >=30% Not specified
Hardness <=241 HB Soft annealed: 241 HB max
Condition Sheet and strip (first condition printed); yield by 0.2 percent offset Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 39 to 47 HRC
Typical Applications
ASTM A240/A240M S20910
Pressure vessels and general applications (plate, sheet and strip)
EN 10084 14NiCrMo13-4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Key Differences
Can ASTM A240/A240M S20910 Be Substituted With EN 10084 14NiCrMo13-4?
ASTM A240/A240M S20910 and EN 10084 14NiCrMo13-4 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 S20910
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EN 10084 14NiCrMo13-4
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S20910 and EN 10084 14NiCrMo13-4?
Different category: ASTM A240/A240M S20910 is Stainless Steel, EN 10084 14NiCrMo13-4 is Alloy Steel. ASTM A240/A240M S20910 specifies N, Nb, V which are not specified for EN 10084 14NiCrMo13-4.
Can ASTM A240/A240M S20910 be substituted with EN 10084 14NiCrMo13-4?
ASTM A240/A240M S20910 and EN 10084 14NiCrMo13-4 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.