Strong Match — 98.9% match
based on chemical composition and mechanical property overlap.
EN 10083-1 51CrV4 (EN 10083-1:1991) and EN 10083-3 51CrV4 (EN 10083-3:2006) are both steel grades.
Both fall under the Spring Steel category.
EN 10083-1 51CrV4 is typically used for quenched and tempered machine parts; non alloy steels also normalized (clause 1), while EN 10083-3 51CrV4 is commonly used for valve springs, clutch springs, high duty coil springs.
EN 10083-1 51CrV4 is defined under European Standard (EN), originating from Europe, while EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe.
As per chemical composition, EN 10083-1 51CrV4 vs EN 10083-3 51CrV4 is a 98.4% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.9%.
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 51CrV4
EN 10083-3 51CrV4
Condition
Quenched and tempered, ruling section d <= 16 mm
Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation
9% min
9% min
Hardness
Soft annealed: 248 HB max
Soft annealed (+A): 248 HBW max
Tensile Strength
1100 to 1300 MPa
1100 to 1300 MPa
Yield Strength
900 MPa min
900 MPa min
Typical Applications
EN 10083-1 51CrV4
Quenched and tempered machine parts; non alloy steels also normalized (clause 1)
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
Can EN 10083-1 51CrV4 Be Substituted With EN 10083-3 51CrV4?
EN 10083-1 51CrV4 and EN 10083-3 51CrV4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 51CrV4 is often considered as a substitute for EN 10083-1 51CrV4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between EN 10083-1 51CrV4 and EN 10083-3 51CrV4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10083-1 51CrV4 be substituted with EN 10083-3 51CrV4?
EN 10083-1 51CrV4 and EN 10083-3 51CrV4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 51CrV4 is often considered as a substitute for EN 10083-1 51CrV4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.