Minimal Match — 52.1% match
based on chemical composition and mechanical property overlap.
EN 10084 15NiCr13 (EN 10084:2008) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades.
Both fall under the Alloy Steel category.
EN 10084 15NiCr13 is typically used for heavily loaded gears, cams, camshafts, while GOST 4543 12HN3A is commonly used for used for gears, pinions, crankshafts, aircraft parts, and transmission components..
EN 10084 15NiCr13 is defined under European Standard (EN) (Europe).
As per chemical composition, EN 10084 15NiCr13 vs GOST 4543 12HN3A is a 78.1% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 52.1%.
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
GOST 4543 12HN3A
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
850-1050 MPa
Yield Strength
Not specified
685 MPa min
Elongation
Not specified
11% min
Typical Applications
EN 10084 15NiCr13
Heavily loaded gears, cams, camshafts
GOST 4543 12HN3A
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Key Differences
EN 10084 15NiCr13 specifies P, S which are not specified for GOST 4543 12HN3A.
Can EN 10084 15NiCr13 Be Substituted With GOST 4543 12HN3A?
EN 10084 15NiCr13 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.
What is the difference between EN 10084 15NiCr13 and GOST 4543 12HN3A?
EN 10084 15NiCr13 specifies P, S which are not specified for GOST 4543 12HN3A.
Can EN 10084 15NiCr13 be substituted with GOST 4543 12HN3A?
EN 10084 15NiCr13 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.