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EN 10084 15NiCr13 vs GB/T 3077 12Cr2Ni4A

Minimal Match — 47.6% match based on chemical composition and mechanical property overlap.

EN 10084 15NiCr13 (EN 10084:2008) and GB/T 3077 12Cr2Ni4A (GB/T 3077-2015) are both steel grades. Both fall under the Alloy Steel category. EN 10084 15NiCr13 is typically used for heavily loaded gears, cams, camshafts, while GB/T 3077 12Cr2Ni4A is commonly used for used for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.. EN 10084 15NiCr13 is defined under European Standard (EN), originating from Europe, while GB/T 3077 12Cr2Ni4A is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, EN 10084 15NiCr13 vs GB/T 3077 12Cr2Ni4A is a 71.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 47.6%.

Frequently Compared With EN 10084 15NiCr13:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
71.5%
MECHANICAL MATCH
0%
OVERALL
47.6%
Specifications
Property EN 10084 15NiCr13 GB/T 3077 12Cr2Ni4A
Standard EN 10084:2008 GB/T 3077-2015
Category Alloy Steel Alloy Steel
C (%) 0.14-0.20 0.10-0.15
Cr (%) 0.60-0.90 1.25-1.65
Mn (%) 0.40-0.70 0.30-0.60
Ni (%) 3.00-3.50 3.25-3.75
P (%) <=0.025 0.025 max
S (%) <=0.035 0.025 max
Si (%) <=0.40 0.17-0.37
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10084 15NiCr13 GB/T 3077 12Cr2Ni4A
Condition Soft annealed Not specified
Hardenability +H band at 1.5 mm from the quenched end: 41 to 48 HRC Not specified
Hardness Soft annealed: 229 HB max 58-62 HRC (case)
Tensile Strength Not specified 980-1180 MPa
Yield Strength Not specified 785-980 MPa
Elongation Not specified 10-14%
Typical Applications
EN 10084 15NiCr13
Heavily loaded gears, cams, camshafts
GB/T 3077 12Cr2Ni4A
Used for gears, shafts, pinions, aircraft parts, heavy-duty bearings, and transmission components.
Can EN 10084 15NiCr13 Be Substituted With GB/T 3077 12Cr2Ni4A?
EN 10084 15NiCr13 and GB/T 3077 12Cr2Ni4A 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
EN 10084 15NiCr13
Round Bar → (6 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–7000 mm (204.72–275.59 in)
GB/T 3077 12Cr2Ni4A
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–6600 mm (196.85–259.84 in)
On M-EX Right Now
EN 10084 15NiCr13
6 active listings and RFQs →
GB/T 3077 12Cr2Ni4A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10084 15NiCr13 and GB/T 3077 12Cr2Ni4A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10084 15NiCr13 be substituted with GB/T 3077 12Cr2Ni4A?
EN 10084 15NiCr13 and GB/T 3077 12Cr2Ni4A 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.