Strong Match — 96.7% match
based on chemical composition and mechanical property overlap.
JIS G4804 SUM22L (JIS G 4804:2021) and JIS G4804 SUM22 (JIS G 4804:2021) are both steel grades.
Both fall under the Free Machining Steel category.
JIS G4804 SUM22L is typically used for complex precision turned parts, high speed machining, while JIS G4804 SUM22 is commonly used for screw machine parts, bolts, studs, pins.
JIS G4804 SUM22L is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4804 SUM22 is defined under Japanese Industrial Standards (JIS), originating from Japan.
As per chemical composition, JIS G4804 SUM22L vs JIS G4804 SUM22 is a 95.1% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 96.7%.
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 SUM22L
JIS G4804 SUM22
Tensile Strength
380–490 MPa
380–490 MPa
Hardness
≤149 HB
≤149 HB
Typical Applications
JIS G4804 SUM22L
Complex precision turned parts, high speed machining
JIS G4804 SUM22
Screw machine parts, bolts, studs, pins
Key Differences
JIS G4804 SUM22L specifies Pb which is not specified for JIS G4804 SUM22.
Can JIS G4804 SUM22L Be Substituted With JIS G4804 SUM22?
JIS G4804 SUM22L and JIS G4804 SUM22 overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM22 is often considered as a substitute for JIS G4804 SUM22L 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 SUM22L and JIS G4804 SUM22?
JIS G4804 SUM22L specifies Pb which is not specified for JIS G4804 SUM22.
Can JIS G4804 SUM22L be substituted with JIS G4804 SUM22?
JIS G4804 SUM22L and JIS G4804 SUM22 overlap closely enough on chemistry and mechanical properties that JIS G4804 SUM22 is often considered as a substitute for JIS G4804 SUM22L in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.