Post Stock Login Register

UNI 7846 16NiCr11 vs GOST 4543 12HN3A

Related Material — 66.7% match based on chemical composition and mechanical property overlap.

UNI 7846 16NiCr11 (UNI 7846:1978) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades. Both fall under the Alloy Steel category. UNI 7846 16NiCr11 is typically used for gears,pinion shafts,camshafts,transmission parts,heavy duty components,case hardened parts, while GOST 4543 12HN3A is commonly used for used for gears, pinions, crankshafts, aircraft parts, and transmission components.. UNI 7846 16NiCr11 is defined under Ente Nazionale Italiano di Unificazione (UNI) (Italy).

As per chemical composition, UNI 7846 16NiCr11 vs GOST 4543 12HN3A is a 84% match. As per mechanical properties, the match is 32.1%. Combined, this makes them a related material overall at 66.7%.

Frequently Compared With UNI 7846 16NiCr11:
GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
84%
MECHANICAL MATCH
32.1%
OVERALL
66.7%
Specifications
Property UNI 7846 16NiCr11 GOST 4543 12HN3A
Standard UNI 7846:1978 GOST 4543-2016
Category Alloy Steel Alloy Steel
C (%) 0.13-0.18 0.09-0.16
Si (%) 0.15-0.40 0.17-0.37
Mn (%) 0.30-0.60 0.3-0.6
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
Cr (%) 0.60-1.00 0.6-0.9
Ni (%) 2.50-3.00 2.75-3.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property UNI 7846 16NiCr11 GOST 4543 12HN3A
Tensile Strength 700-950 MPa 850-1050 MPa
Yield Strength 400-600 MPa 685 MPa min
Elongation 10-15 % 11% min
Hardness 58-62 HRC 58-62 HRC (case)
Typical Applications
UNI 7846 16NiCr11
gears,pinion shafts,camshafts,transmission parts,heavy duty components,case hardened parts
GOST 4543 12HN3A
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Key Differences
Can UNI 7846 16NiCr11 Be Substituted With GOST 4543 12HN3A?
UNI 7846 16NiCr11 and GOST 4543 12HN3A 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
UNI 7846 16NiCr11
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6000 mm (220.47–236.22 in)
GOST 4543 12HN3A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6600 mm (220.47–259.84 in)
On M-EX Right Now
UNI 7846 16NiCr11
2 active listings and RFQs →
GOST 4543 12HN3A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between UNI 7846 16NiCr11 and GOST 4543 12HN3A?
UNI 7846 16NiCr11 specifies P, S which are not specified for GOST 4543 12HN3A.
Can UNI 7846 16NiCr11 be substituted with GOST 4543 12HN3A?
UNI 7846 16NiCr11 and GOST 4543 12HN3A 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.