Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
ASTM A387/A387M Grade 12 (ASTM A387/A387M:2011) and SAE J404 4135 (SAE J404:2009) are both steel grades.
Both fall under the Alloy Steel category.
ASTM A387/A387M Grade 12 is typically used for welded boilers and pressure vessels for elevated temperature service, while SAE J404 4135 is commonly used for gears, shafts, pressure vessels, high tensile bolts.
ASTM A387/A387M Grade 12 is defined under ASTM International, originating from United States, while SAE J404 4135 is defined under SAE International, originating from United States.
As per chemical composition, ASTM A387/A387M Grade 12 vs SAE J404 4135 is a 73.2% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 69.9%.
Frequently Compared With ASTM A387/A387M Grade 12:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A387/A387M Grade 12
SAE J404 4135
Tensile Strength
380-550 MPa
Not specified
Yield Strength
>=230 MPa
Not specified
Elongation
>=22%
Not specified
Condition
Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length
Not specified
Typical Applications
ASTM A387/A387M Grade 12
Welded boilers and pressure vessels for elevated temperature service
SAE J404 4135
Gears, shafts, pressure vessels, high tensile bolts
Can ASTM A387/A387M Grade 12 Be Substituted With SAE J404 4135?
ASTM A387/A387M Grade 12 and SAE J404 4135 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 ASTM A387/A387M Grade 12 and SAE J404 4135?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A387/A387M Grade 12 be substituted with SAE J404 4135?
ASTM A387/A387M Grade 12 and SAE J404 4135 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.