Strong Match — 94.9% match
based on chemical composition and mechanical property overlap.
JIS G4804 SUM23L (JIS G 4804:2021) and JIS G4804 SUM22L (JIS G 4804:2021) are both steel grades.
Both fall under the Free Machining Steel category.
JIS G4804 SUM23L is typically used for small precision turned parts, while JIS G4804 SUM22L is commonly used for complex precision turned parts, high speed machining.
JIS G4804 SUM23L is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4804 SUM22L is defined under Japanese Industrial Standards (JIS), originating from Japan.
As per chemical composition, JIS G4804 SUM23L vs JIS G4804 SUM22L is a 92.3% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 94.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
JIS G4804 SUM23L
JIS G4804 SUM22L
Tensile Strength
380–490 MPa
380–490 MPa
Hardness
Not specified
≤149 HB
Typical Applications
JIS G4804 SUM23L
Small precision turned parts
JIS G4804 SUM22L
Complex precision turned parts, high speed machining
Can JIS G4804 SUM23L Be Substituted With JIS G4804 SUM22L?
JIS G4804 SUM23L and JIS G4804 SUM22L overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM22L is often considered as a substitute for JIS G4804 SUM23L 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 G4804 SUM23L and JIS G4804 SUM22L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4804 SUM23L be substituted with JIS G4804 SUM22L?
JIS G4804 SUM23L and JIS G4804 SUM22L overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM22L is often considered as a substitute for JIS G4804 SUM23L in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.