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EN 10028-2 10CrMo9-10 vs ASTM A959 434

Related Material — 64.8% match based on chemical composition and mechanical property overlap.

EN 10028-2 10CrMo9-10 (EN 10028-2:2017) and ASTM A959 434 (ASTM A959:2011) are both steel grades. EN 10028-2 10CrMo9-10 is classified under Alloy Steel, while ASTM A959 434 is classified under Stainless Steel — a different category, which is worth noting alongside the chemistry match below. EN 10028-2 10CrMo9-10 is typically used for flat products for pressure purposes, while ASTM A959 434 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). EN 10028-2 10CrMo9-10 is defined under European Standard (EN), originating from Europe, while ASTM A959 434 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10028-2 10CrMo9-10 vs ASTM A959 434 is a 64.8% 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 64.8%.

Frequently Compared With EN 10028-2 10CrMo9-10:
NF A35-565 100C6 EN 10028-2 12CrMo9-10 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
64.8%
MECHANICAL MATCH
No shared data
OVERALL
64.8%
Specifications
Property EN 10028-2 10CrMo9-10 ASTM A959 434
Standard EN 10028-2:2017 ASTM A959:2011
Category Alloy Steel Stainless Steel
C (%) 0.08-0.14 <=0.12
Si (%) <=0.50 <=1.00
Mn (%) 0.40-0.80 <=1.00
P (%) <=0.020 <=0.040
S (%) <=0.010 <=0.030
N (%) <=0.012 Not specified
Cr (%) 2.00-2.50 16.0-18.0
Cu (%) <=0.30 Not specified
Mo (%) 0.90-1.10 0.75-1.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10028-2 10CrMo9-10 ASTM A959 434
Tensile Strength 480-630 MPa Not specified
Yield Strength >=310 MPa Not specified
Elongation >=18% Not specified
Condition Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A Not specified
Typical Applications
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
ASTM A959 434
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can EN 10028-2 10CrMo9-10 Be Substituted With ASTM A959 434?
EN 10028-2 10CrMo9-10 and ASTM A959 434 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.
On M-EX Right Now
EN 10028-2 10CrMo9-10
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ASTM A959 434
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Frequently Asked Questions
What is the difference between EN 10028-2 10CrMo9-10 and ASTM A959 434?
Different category: EN 10028-2 10CrMo9-10 is Alloy Steel, ASTM A959 434 is Stainless Steel. EN 10028-2 10CrMo9-10 specifies N, Cu which are not specified for ASTM A959 434.
Can EN 10028-2 10CrMo9-10 be substituted with ASTM A959 434?
EN 10028-2 10CrMo9-10 and ASTM A959 434 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.