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GOST 4543 40X vs EN 10028-2 10CrMo9-10

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GOST 4543 40X (GOST 4543-2016) and EN 10028-2 10CrMo9-10 (EN 10028-2:2017) are both steel grades. Both fall under the Alloy Steel category. GOST 4543 40X is typically used for gears, shafts, axles, spindles, studs, automotive components, while EN 10028-2 10CrMo9-10 is commonly used for flat products for pressure purposes. EN 10028-2 10CrMo9-10 is defined under European Standard (EN) (Europe).

As per chemical composition, GOST 4543 40X vs EN 10028-2 10CrMo9-10 is a 56.8% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 4543 40X:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
56.8%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GOST 4543 40X EN 10028-2 10CrMo9-10
Standard GOST 4543-2016 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.36-0.44 0.08-0.14
Si (%) 0.17-0.37 <=0.50
Mn (%) 0.50-0.80 0.40-0.80
S (%) <=0.035 <=0.010
P (%) <=0.035 <=0.020
Cr (%) 0.80-1.10 2.00-2.50
Ni (%) <=0.30 Not specified
Cu (%) <=0.30 <=0.30
N (%) Not specified <=0.012
Mo (%) Not specified 0.90-1.10
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 4543 40X EN 10028-2 10CrMo9-10
Tensile Strength 980-1180 MPa 480-630 MPa
Yield Strength >=785 MPa >=310 MPa
Elongation >=10% >=18%
Hardness 229-285 HB Not specified
Condition Not specified Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A
Typical Applications
GOST 4543 40X
gears, shafts, axles, spindles, studs, automotive components
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can GOST 4543 40X Be Substituted With EN 10028-2 10CrMo9-10?
GOST 4543 40X and EN 10028-2 10CrMo9-10 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.
Forms & Sizes Available on M-EX
GOST 4543 40X
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6000 mm (200.79–236.22 in)
EN 10028-2 10CrMo9-10
No active listings currently.
On M-EX Right Now
GOST 4543 40X
2 active listings and RFQs →
EN 10028-2 10CrMo9-10
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 4543 40X and EN 10028-2 10CrMo9-10?
GOST 4543 40X specifies Ni which is not specified for EN 10028-2 10CrMo9-10. EN 10028-2 10CrMo9-10 specifies N, Mo which are not specified for GOST 4543 40X.
Can GOST 4543 40X be substituted with EN 10028-2 10CrMo9-10?
GOST 4543 40X and EN 10028-2 10CrMo9-10 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.