Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
EN 10087 11SMn37 (EN 10087:1998) and SAE J403 1126 (SAE J403:2009) are both steel grades.
Both fall under the Free Machining Steel category.
EN 10087 11SMn37 is typically used for precision turned components, automotive parts, while SAE J403 1126 is commonly used for chemistry-only grade; product scope as listed in the composition notes.
EN 10087 11SMn37 is defined under European Standard (EN), originating from Europe, while SAE J403 1126 is defined under SAE International, originating from United States.
As per chemical composition, EN 10087 11SMn37 vs SAE J403 1126 is a 79.3% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a minimal match overall at 35%.
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 11SMn37
SAE J403 1126
Tensile Strength
380–570 MPa
Not specified
Elongation
≥5%
Not specified
Hardness
≤180 HB
Not specified
Typical Applications
EN 10087 11SMn37
Precision turned components, automotive parts
SAE J403 1126
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
EN 10087 11SMn37 specifies Si which is not specified for SAE J403 1126.
Can EN 10087 11SMn37 Be Substituted With SAE J403 1126?
EN 10087 11SMn37 and SAE J403 1126 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between EN 10087 11SMn37 and SAE J403 1126?
EN 10087 11SMn37 specifies Si which is not specified for SAE J403 1126.
Can EN 10087 11SMn37 be substituted with SAE J403 1126?
EN 10087 11SMn37 and SAE J403 1126 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.