Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
DIN 17200 30CrMoV9 (DIN 17200:1986) and DIN 17211 41CrAlMo7-4 (DIN 17211:1987) are both steel grades.
Both fall under the Alloy Steel category.
DIN 17200 30CrMoV9 is typically used for power generation components, rotors, turbine parts, while DIN 17211 41CrAlMo7-4 is commonly used for used for nitrided shafts, gears, crankshafts, spindles, extrusion screws, and wear-resistant machine components..
DIN 17200 30CrMoV9 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while DIN 17211 41CrAlMo7-4 is defined under Deutsches Institut fur Normung (DIN), originating from Germany.
As per chemical composition, DIN 17200 30CrMoV9 vs DIN 17211 41CrAlMo7-4 is a 65.7% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a related material overall at 69.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
DIN 17200 30CrMoV9
DIN 17211 41CrAlMo7-4
Tensile Strength
900–1100 MPa
900–1050 MPa
Yield Strength
≥750 MPa
Not specified
Elongation
≥13%
Not specified
Surface Hardness HV
Not specified
≥950 (nitrided)
Typical Applications
DIN 17200 30CrMoV9
Power generation components, rotors, turbine parts
DIN 17211 41CrAlMo7-4
Used for nitrided shafts, gears, crankshafts, spindles, extrusion screws, and wear-resistant machine components.
Key Differences
DIN 17200 30CrMoV9 specifies V which is not specified for DIN 17211 41CrAlMo7-4.
DIN 17211 41CrAlMo7-4 specifies Al which is not specified for DIN 17200 30CrMoV9.
Can DIN 17200 30CrMoV9 Be Substituted With DIN 17211 41CrAlMo7-4?
DIN 17200 30CrMoV9 and DIN 17211 41CrAlMo7-4 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 17200 30CrMoV9 and DIN 17211 41CrAlMo7-4?
DIN 17200 30CrMoV9 specifies V which is not specified for DIN 17211 41CrAlMo7-4. DIN 17211 41CrAlMo7-4 specifies Al which is not specified for DIN 17200 30CrMoV9.
Can DIN 17200 30CrMoV9 be substituted with DIN 17211 41CrAlMo7-4?
DIN 17200 30CrMoV9 and DIN 17211 41CrAlMo7-4 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.