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ASTM A387/A387M Grade 22 vs EN 10028-2 10CrMo9-10

Close Alternative — 74.1% match based on chemical composition and mechanical property overlap.

ASTM A387/A387M Grade 22 (ASTM A387/A387M:2011) and EN 10028-2 10CrMo9-10 (EN 10028-2:2017) are both steel grades. Both fall under the Alloy Steel category. ASTM A387/A387M Grade 22 is typically used for welded boilers and pressure vessels for elevated temperature service, while EN 10028-2 10CrMo9-10 is commonly used for flat products for pressure purposes. ASTM A387/A387M Grade 22 is defined under ASTM International, originating from United States, while EN 10028-2 10CrMo9-10 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A387/A387M Grade 22 vs EN 10028-2 10CrMo9-10 is a 86.3% match. As per mechanical properties, the match is 49.6%. Combined, this makes them a close alternative overall at 74.1%.

Frequently Compared With ASTM A387/A387M Grade 22:
IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
86.3%
MECHANICAL MATCH
49.6%
OVERALL
74.1%
Specifications
Property ASTM A387/A387M Grade 22 EN 10028-2 10CrMo9-10
Standard ASTM A387/A387M:2011 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.05-0.15 0.08-0.14
Mn (%) 0.30-0.60 0.40-0.80
P (%) <=0.025 <=0.020
S (%) <=0.025 <=0.010
Si (%) <=0.50 <=0.50
Cr (%) 2.00-2.50 2.00-2.50
Mo (%) 0.90-1.10 0.90-1.10
N (%) Not specified <=0.012
Cu (%) Not specified <=0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A387/A387M Grade 22 EN 10028-2 10CrMo9-10
Tensile Strength 415-585 MPa 480-630 MPa
Yield Strength >=205 MPa >=310 MPa
Elongation >=18% >=18%
Condition Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A
Typical Applications
ASTM A387/A387M Grade 22
Welded boilers and pressure vessels for elevated temperature service
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can ASTM A387/A387M Grade 22 Be Substituted With EN 10028-2 10CrMo9-10?
ASTM A387/A387M Grade 22 and EN 10028-2 10CrMo9-10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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ASTM A387/A387M Grade 22
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EN 10028-2 10CrMo9-10
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Frequently Asked Questions
What is the difference between ASTM A387/A387M Grade 22 and EN 10028-2 10CrMo9-10?
EN 10028-2 10CrMo9-10 specifies N, Cu which are not specified for ASTM A387/A387M Grade 22.
Can ASTM A387/A387M Grade 22 be substituted with EN 10028-2 10CrMo9-10?
ASTM A387/A387M Grade 22 and EN 10028-2 10CrMo9-10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.