Close Alternative — 75.7% match
based on chemical composition and mechanical property overlap.
JIS G4804 SUM22 (JIS G 4804:2021) and EN 10087 11SMn30 (EN 10087:1998) are both steel grades.
Both fall under the Free Machining Steel category.
JIS G4804 SUM22 is typically used for screw machine parts, bolts, studs, pins, while EN 10087 11SMn30 is commonly used for high volume screw machine parts, bolts, studs.
JIS G4804 SUM22 is defined under Japanese Industrial Standards (JIS), originating from Japan, while EN 10087 11SMn30 is defined under European Standard (EN), originating from Europe.
As per chemical composition, JIS G4804 SUM22 vs EN 10087 11SMn30 is a 88.6% match.
As per mechanical properties, the match is 50%.
Combined, this makes them a close alternative overall at 75.7%.
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 SUM22
EN 10087 11SMn30
Tensile Strength
380–490 MPa
380–570 MPa
Hardness
≤149 HB
≤180 HB
Elongation
Not specified
≥7%
Typical Applications
JIS G4804 SUM22
Screw machine parts, bolts, studs, pins
EN 10087 11SMn30
High volume screw machine parts, bolts, studs
Key Differences
EN 10087 11SMn30 specifies Si which is not specified for JIS G4804 SUM22.
Can JIS G4804 SUM22 Be Substituted With EN 10087 11SMn30?
JIS G4804 SUM22 and EN 10087 11SMn30 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between JIS G4804 SUM22 and EN 10087 11SMn30?
EN 10087 11SMn30 specifies Si which is not specified for JIS G4804 SUM22.
Can JIS G4804 SUM22 be substituted with EN 10087 11SMn30?
JIS G4804 SUM22 and EN 10087 11SMn30 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.