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GB/T 3077 15CrNi6 vs UNI 7846 16NiCr11

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

GB/T 3077 15CrNi6 (GB/T 3077-2015) and UNI 7846 16NiCr11 (UNI 7846:1978) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 15CrNi6 is typically used for used for gears, shafts, pinions, crankshafts, transmission parts, and heavy-duty couplings., while UNI 7846 16NiCr11 is commonly used for gears,pinion shafts,camshafts,transmission parts,heavy duty components,case hardened parts. GB/T 3077 15CrNi6 is defined under Guobiao Standards (GB/T), originating from China, while UNI 7846 16NiCr11 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, GB/T 3077 15CrNi6 vs UNI 7846 16NiCr11 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 GB/T 3077 15CrNi6:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Cr20Mo6
Match Breakdown
CHEMISTRY MATCH
85.9%
MECHANICAL MATCH
49.6%
OVERALL
73.8%
Specifications
Property GB/T 3077 15CrNi6 UNI 7846 16NiCr11
Standard GB/T 3077-2015 UNI 7846:1978
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.13-0.18
Si (%) 0.17-0.37 0.15-0.40
Mn (%) 0.30-0.60 0.30-0.60
Cr (%) 0.60-0.90 0.60-1.00
Ni (%) 1.40-1.70 2.50-3.00
P (%) 0.030 max <=0.035
S (%) 0.030 max <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 3077 15CrNi6 UNI 7846 16NiCr11
Tensile Strength 880-1080 MPa 700-950 MPa
Yield Strength 685-880 MPa 400-600 MPa
Elongation 10-14% 10-15 %
Hardness 58-62 HRC (case) 58-62 HRC
Typical Applications
GB/T 3077 15CrNi6
Used for gears, shafts, pinions, crankshafts, transmission parts, and heavy-duty couplings.
UNI 7846 16NiCr11
gears,pinion shafts,camshafts,transmission parts,heavy duty components,case hardened parts
Can GB/T 3077 15CrNi6 Be Substituted With UNI 7846 16NiCr11?
GB/T 3077 15CrNi6 and UNI 7846 16NiCr11 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
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)
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)
On M-EX Right Now
GB/T 3077 15CrNi6
2 active listings and RFQs →
UNI 7846 16NiCr11
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 15CrNi6 and UNI 7846 16NiCr11?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 3077 15CrNi6 be substituted with UNI 7846 16NiCr11?
GB/T 3077 15CrNi6 and UNI 7846 16NiCr11 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.