Close Alternative — 77.8% match
based on chemical composition and mechanical property overlap.
EN 10083-1 46CrS2 (EN 10083-1:1991) and EN 10083-3 34CrS4 (EN 10083-3:2006) are both steel grades.
Both fall under the Alloy Steel category.
EN 10083-1 46CrS2 is typically used for quenched and tempered machine parts; non alloy steels also normalized (clause 1), while EN 10083-3 34CrS4 is commonly used for quenched and tempered, flame or induction hardened machine parts (clause 1).
EN 10083-1 46CrS2 is defined under European Standard (EN), originating from Europe, while EN 10083-3 34CrS4 is defined under European Standard (EN), originating from Europe.
As per chemical composition, EN 10083-1 46CrS2 vs EN 10083-3 34CrS4 is a 79.2% match.
As per mechanical properties, the match is 75%.
Combined, this makes them a close alternative overall at 77.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN 10083-1 46CrS2
EN 10083-3 34CrS4
Condition
Quenched and tempered, ruling section d <= 16 mm
Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation
12% min
12% min
Hardness
Soft annealed: 223 HB max
Soft annealed (+A): 223 HBW max
Tensile Strength
900 to 1100 MPa
900 to 1100 MPa
Yield Strength
650 MPa min
700 MPa min
Typical Applications
EN 10083-1 46CrS2
Quenched and tempered machine parts; non alloy steels also normalized (clause 1)
EN 10083-3 34CrS4
Quenched and tempered, flame or induction hardened machine parts (clause 1)
Can EN 10083-1 46CrS2 Be Substituted With EN 10083-3 34CrS4?
EN 10083-1 46CrS2 and EN 10083-3 34CrS4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between EN 10083-1 46CrS2 and EN 10083-3 34CrS4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10083-1 46CrS2 be substituted with EN 10083-3 34CrS4?
EN 10083-1 46CrS2 and EN 10083-3 34CrS4 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.