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UNI 7846 16NiCr11 vs GB/T 3077 15CrNi6

Close Alternative — 73.8% match based on chemical composition and mechanical property overlap.

UNI 7846 16NiCr11 (UNI 7846:1978) and GB/T 3077 15CrNi6 (GB/T 3077-2015) 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 GB/T 3077 15CrNi6 is commonly used for used for gears, shafts, pinions, crankshafts, transmission parts, and heavy-duty couplings.. UNI 7846 16NiCr11 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy, while GB/T 3077 15CrNi6 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, UNI 7846 16NiCr11 vs GB/T 3077 15CrNi6 is a 85.9% match. As per mechanical properties, the match is 49.6%. Combined, this makes them a close alternative overall at 73.8%.

Frequently Compared With UNI 7846 16NiCr11:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4
Match Breakdown
CHEMISTRY MATCH
85.9%
MECHANICAL MATCH
49.6%
OVERALL
73.8%
Specifications
Property UNI 7846 16NiCr11 GB/T 3077 15CrNi6
Standard UNI 7846:1978 GB/T 3077-2015
Category Alloy Steel Alloy Steel
C (%) 0.13-0.18 0.12-0.18
Si (%) 0.15-0.40 0.17-0.37
Mn (%) 0.30-0.60 0.30-0.60
P (%) <=0.035 0.030 max
S (%) <=0.035 0.030 max
Cr (%) 0.60-1.00 0.60-0.90
Ni (%) 2.50-3.00 1.40-1.70
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 GB/T 3077 15CrNi6
Tensile Strength 700-950 MPa 880-1080 MPa
Yield Strength 400-600 MPa 685-880 MPa
Elongation 10-15 % 10-14%
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
GB/T 3077 15CrNi6
Used for gears, shafts, pinions, crankshafts, transmission parts, and heavy-duty couplings.
Can UNI 7846 16NiCr11 Be Substituted With GB/T 3077 15CrNi6?
UNI 7846 16NiCr11 and GB/T 3077 15CrNi6 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.
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)
GB/T 3077 15CrNi6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6700 mm (200.79–263.78 in)
On M-EX Right Now
UNI 7846 16NiCr11
2 active listings and RFQs →
GB/T 3077 15CrNi6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between UNI 7846 16NiCr11 and GB/T 3077 15CrNi6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can UNI 7846 16NiCr11 be substituted with GB/T 3077 15CrNi6?
UNI 7846 16NiCr11 and GB/T 3077 15CrNi6 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.