Strong Match — 88.2% match
based on chemical composition and mechanical property overlap.
JIS G4051 S22C (JIS G4051:2009) and EN 10084 C15E (EN 10084:2008) are both steel grades.
Both fall under the Carbon Steel category.
JIS G4051 S22C is typically used for lightly stressed components, welded structures, while EN 10084 C15E is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1).
JIS G4051 S22C is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN 10084 C15E is defined under European Standard (EN), originating from Europe.
As per chemical composition, JIS G4051 S22C vs EN 10084 C15E is a 88.2% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a strong match overall at 88.2%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
JIS G4051 S22C
EN 10084 C15E
Tensile Strength
>=440 MPa
Not specified
Elongation
>=21%
Not specified
Condition
Not specified
Soft annealed
Hardness
Not specified
Soft annealed: 143 HB max
Typical Applications
JIS G4051 S22C
Lightly stressed components, welded structures
EN 10084 C15E
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Can JIS G4051 S22C Be Substituted With EN 10084 C15E?
JIS G4051 S22C and EN 10084 C15E overlap closely enough on chemistry and mechanical properties that EN 10084 C15E is often considered as a substitute for JIS G4051 S22C 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 JIS G4051 S22C and EN 10084 C15E?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4051 S22C be substituted with EN 10084 C15E?
JIS G4051 S22C and EN 10084 C15E overlap closely enough on chemistry and mechanical properties that EN 10084 C15E is often considered as a substitute for JIS G4051 S22C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.