Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
DIN 17211 41CrAlMo7-4 (DIN 17211:1987) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
DIN 17211 41CrAlMo7-4 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, DIN 17211 41CrAlMo7-4 vs IS 4367 10Cr9Mo10 is a 57.4% 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
DIN 17211 41CrAlMo7-4
IS 4367 10Cr9Mo10
Tensile Strength
900–1050 MPa
410-590 MPa
Surface Hardness HV
≥950 (nitrided)
Not specified
Yield Strength
Not specified
245 MPa min
Elongation
Not specified
>=18%
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
DIN 17211 41CrAlMo7-4
Used for nitrided shafts, gears, crankshafts, spindles, extrusion screws, and wear-resistant machine components.
IS 4367 10Cr9Mo10
Not documented
Key Differences
DIN 17211 41CrAlMo7-4 specifies Al which is not specified for IS 4367 10Cr9Mo10.
IS 4367 10Cr9Mo10 specifies Si, Ni, S, P which are not specified for DIN 17211 41CrAlMo7-4.
Can DIN 17211 41CrAlMo7-4 Be Substituted With IS 4367 10Cr9Mo10?
DIN 17211 41CrAlMo7-4 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 DIN 17211 41CrAlMo7-4 and IS 4367 10Cr9Mo10?
DIN 17211 41CrAlMo7-4 specifies Al which is not specified for IS 4367 10Cr9Mo10. IS 4367 10Cr9Mo10 specifies Si, Ni, S, P which are not specified for DIN 17211 41CrAlMo7-4.
Can DIN 17211 41CrAlMo7-4 be substituted with IS 4367 10Cr9Mo10?
DIN 17211 41CrAlMo7-4 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.