Strong Match — 98.8% match
based on chemical composition and mechanical property overlap.
EN 10083-3 34Cr4 (EN 10083-3:2006) and EN 10083-3 34CrS4 (EN 10083-3:2006) are both steel grades.
Both fall under the Alloy Steel category.
EN 10083-3 34Cr4 is typically used for used in high-tensile bolts, studs, shafts, and general engineering components., while EN 10083-3 34CrS4 is commonly used for quenched and tempered, flame or induction hardened machine parts (clause 1).
EN 10083-3 34Cr4 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 10083-3 34Cr4 vs EN 10083-3 34CrS4 is a 98.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN 10083-3 34Cr4
EN 10083-3 34CrS4
Condition
Quenched and tempered (+QT), ruling section d <= 16 mm
Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation
12% min
12% min
Hardness
Soft annealed (+A): 223 HBW max
Soft annealed (+A): 223 HBW max
Tensile Strength
900 to 1100 MPa
900 to 1100 MPa
Yield Strength
700 MPa min
700 MPa min
Typical Applications
EN 10083-3 34Cr4
Used in high-tensile bolts, studs, shafts, and general engineering components.
EN 10083-3 34CrS4
Quenched and tempered, flame or induction hardened machine parts (clause 1)
Can EN 10083-3 34Cr4 Be Substituted With EN 10083-3 34CrS4?
EN 10083-3 34Cr4 and EN 10083-3 34CrS4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 34CrS4 is often considered as a substitute for EN 10083-3 34Cr4 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 10083-3 34Cr4 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 10083-3 34Cr4 be substituted with EN 10083-3 34CrS4?
EN 10083-3 34Cr4 and EN 10083-3 34CrS4 overlap closely enough on chemistry and mechanical properties that EN 10083-3 34CrS4 is often considered as a substitute for EN 10083-3 34Cr4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.