Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
GOST 14959 60S2A (GOST 14959-2016) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades.
Both fall under the Alloy Steel category.
GOST 14959 60S2A is typically used for used for coil springs, suspension springs, washers, torsion bars, and railway springs., while GOST 4543 12HN3A is commonly used for used for gears, pinions, crankshafts, aircraft parts, and transmission components..
As per chemical composition, GOST 14959 60S2A vs GOST 4543 12HN3A is a 62.9% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
GOST 14959 60S2A
GOST 4543 12HN3A
Tensile Strength
1270-1570 MPa
850-1050 MPa
Yield Strength
1080 MPa min
685 MPa min
Elongation
6% min
11% min
Hardness
44-52 HRC
58-62 HRC (case)
Typical Applications
GOST 14959 60S2A
Used for coil springs, suspension springs, washers, torsion bars, and railway springs.
GOST 4543 12HN3A
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Key Differences
GOST 4543 12HN3A specifies Ni which is not specified for GOST 14959 60S2A.
Can GOST 14959 60S2A Be Substituted With GOST 4543 12HN3A?
GOST 14959 60S2A 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 GOST 14959 60S2A and GOST 4543 12HN3A?
GOST 4543 12HN3A specifies Ni which is not specified for GOST 14959 60S2A.
Can GOST 14959 60S2A be substituted with GOST 4543 12HN3A?
GOST 14959 60S2A 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.