Strong Match — 91.9% match
based on chemical composition and mechanical property overlap.
EN 10087 9SMnPb28 (EN 10087:1998) and JIS G4804 SUM23L (JIS G 4804:2021) are both steel grades.
Both fall under the Free Machining Steel category.
EN 10087 9SMnPb28 is typically used for complex precision turned parts, while JIS G4804 SUM23L is commonly used for small precision turned parts.
EN 10087 9SMnPb28 is defined under European Standard (EN), originating from Europe, while JIS G4804 SUM23L is defined under Japanese Industrial Standards (JIS), originating from Japan.
As per chemical composition, EN 10087 9SMnPb28 vs JIS G4804 SUM23L is a 87.8% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 91.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
EN 10087 9SMnPb28
JIS G4804 SUM23L
Tensile Strength
380–570 MPa
380–490 MPa
Elongation
≥5%
Not specified
Typical Applications
EN 10087 9SMnPb28
Complex precision turned parts
JIS G4804 SUM23L
Small precision turned parts
Key Differences
JIS G4804 SUM23L specifies P which is not specified for EN 10087 9SMnPb28.
Can EN 10087 9SMnPb28 Be Substituted With JIS G4804 SUM23L?
EN 10087 9SMnPb28 and JIS G4804 SUM23L overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM23L is often considered as a substitute for EN 10087 9SMnPb28 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 10087 9SMnPb28 and JIS G4804 SUM23L?
JIS G4804 SUM23L specifies P which is not specified for EN 10087 9SMnPb28.
Can EN 10087 9SMnPb28 be substituted with JIS G4804 SUM23L?
EN 10087 9SMnPb28 and JIS G4804 SUM23L overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM23L is often considered as a substitute for EN 10087 9SMnPb28 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.