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GOST 4543 20HNM vs EN 10028-2 10CrMo9-10

Minimal Match — 33.7% match based on chemical composition and mechanical property overlap.

GOST 4543 20HNM (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 20HNM is typically used for used for gears, splined shafts, bushings, axles, and machine drive 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 20HNM vs EN 10028-2 10CrMo9-10 is a 50.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 33.7%.

Frequently Compared With GOST 4543 20HNM:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5
Match Breakdown
CHEMISTRY MATCH
50.6%
MECHANICAL MATCH
0%
OVERALL
33.7%
Specifications
Property GOST 4543 20HNM EN 10028-2 10CrMo9-10
Standard GOST 4543-2016 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.17-0.24 0.08-0.14
Cr (%) 0.4-0.7 2.00-2.50
Ni (%) 0.4-0.7 Not specified
Mo (%) 0.15-0.25 0.90-1.10
Mn (%) 0.5-0.8 0.40-0.80
Si (%) Not specified <=0.50
P (%) Not specified <=0.020
S (%) Not specified <=0.010
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 GOST 4543 20HNM EN 10028-2 10CrMo9-10
Tensile Strength 850-1000 MPa 480-630 MPa
Yield Strength 685 MPa min >=310 MPa
Elongation 12% min >=18%
Hardness 56-60 HRC (case) 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 20HNM
Used for gears, splined shafts, bushings, axles, and machine drive components.
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can GOST 4543 20HNM Be Substituted With EN 10028-2 10CrMo9-10?
GOST 4543 20HNM 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 20HNM
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–7000 mm (200.79–275.59 in)
EN 10028-2 10CrMo9-10
No active listings currently.
On M-EX Right Now
GOST 4543 20HNM
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 20HNM and EN 10028-2 10CrMo9-10?
GOST 4543 20HNM specifies Ni which is not specified for EN 10028-2 10CrMo9-10. EN 10028-2 10CrMo9-10 specifies Si, P, S, N which are not specified for GOST 4543 20HNM.
Can GOST 4543 20HNM be substituted with EN 10028-2 10CrMo9-10?
GOST 4543 20HNM 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.