Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 4367 16Ni8Cr6Mo2 (IS 4367:1991) and GOST 4543 12HN3A (GOST 4543-2016) are both steel grades.
Both fall under the Alloy Steel category.
IS 4367 16Ni8Cr6Mo2 is typically used for gears, camshafts, piston pins, splined shafts, aerospace and automotive case-hardened components., while GOST 4543 12HN3A is commonly used for used for gears, pinions, crankshafts, aircraft parts, and transmission components..
IS 4367 16Ni8Cr6Mo2 is defined under Bureau of Indian Standards (IS) (India).
As per chemical composition, IS 4367 16Ni8Cr6Mo2 vs GOST 4543 12HN3A is a 62.4% 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
IS 4367 16Ni8Cr6Mo2
GOST 4543 12HN3A
Tensile Strength
1350 MPa min
850-1050 MPa
Elongation
>=9%
11% min
Izod Impact
35 J min
Not specified
Hardness (soft annealed)
<=229 HB
Not specified
Condition
Refined, quenched and stress relieved (core properties), ruling section up to 30 mm
Used for gears, pinions, crankshafts, aircraft parts, and transmission components.
Key Differences
IS 4367 16Ni8Cr6Mo2 specifies Mo, S, P which are not specified for GOST 4543 12HN3A.
Can IS 4367 16Ni8Cr6Mo2 Be Substituted With GOST 4543 12HN3A?
IS 4367 16Ni8Cr6Mo2 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 IS 4367 16Ni8Cr6Mo2 and GOST 4543 12HN3A?
IS 4367 16Ni8Cr6Mo2 specifies Mo, S, P which are not specified for GOST 4543 12HN3A.
Can IS 4367 16Ni8Cr6Mo2 be substituted with GOST 4543 12HN3A?
IS 4367 16Ni8Cr6Mo2 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.