Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
GOST 4543 40HFA (GOST 4543-2016) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS) (India).
As per chemical composition, GOST 4543 40HFA vs IS 4367 10Cr9Mo10 is a 53.4% 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
GOST 4543 40HFA
IS 4367 10Cr9Mo10
Tensile Strength
950-1150 MPa
410-590 MPa
Yield Strength
785 MPa min
245 MPa min
Elongation
11% min
>=18%
Hardness
269-331 HB
Not specified
Izod Impact
Not specified
55 J min
Hardness (soft annealed)
Not specified
<=187 HB
Condition
Not specified
Normalised and tempered, ruling section up to 50 mm
Typical Applications
GOST 4543 40HFA
Used for springs, shafts, gears, fasteners, and aircraft structural components.
IS 4367 10Cr9Mo10
Not documented
Key Differences
GOST 4543 40HFA specifies V which is not specified for IS 4367 10Cr9Mo10.
IS 4367 10Cr9Mo10 specifies Ni, Mo, S, P which are not specified for GOST 4543 40HFA.
Can GOST 4543 40HFA Be Substituted With IS 4367 10Cr9Mo10?
GOST 4543 40HFA and IS 4367 10Cr9Mo10 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 4543 40HFA and IS 4367 10Cr9Mo10?
GOST 4543 40HFA specifies V which is not specified for IS 4367 10Cr9Mo10. IS 4367 10Cr9Mo10 specifies Ni, Mo, S, P which are not specified for GOST 4543 40HFA.
Can GOST 4543 40HFA be substituted with IS 4367 10Cr9Mo10?
GOST 4543 40HFA and IS 4367 10Cr9Mo10 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.