ASTM A572/A572M Grade 65 vs ASTM A572/A572M Grade 50
Related Material — 66% match
based on chemical composition and mechanical property overlap.
ASTM A572/A572M Grade 65 (ASTM A572/A572M:2021) and ASTM A572/A572M Grade 50 (ASTM A572/A572M:2021) are both steel grades.
Both fall under the Structural Steel category.
ASTM A572/A572M Grade 65 is typically used for riveted or bolted bridge construction, or riveted, bolted or welded construction in other applications, while ASTM A572/A572M Grade 50 is commonly used for riveted, bolted or welded structures.
ASTM A572/A572M Grade 65 is defined under ASTM International, originating from United States, while ASTM A572/A572M Grade 50 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A572/A572M Grade 65 vs ASTM A572/A572M Grade 50 is a 99% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 66%.
Frequently Compared With ASTM A572/A572M Grade 65:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A572/A572M Grade 65
ASTM A572/A572M Grade 50
Tensile Strength
>=550 MPa
>=450 MPa
Yield Strength
>=450 MPa
>=345 MPa
Elongation
>=15%
>=18%
Condition
Tension test per Table 4; one set of minimum values for all product thicknesses; Elongation is in 200 mm gauge length, 50 mm values in the tensile block
Tension test per Table 4; one set of minimum values for all product thicknesses; Elongation is in 200 mm gauge length, 50 mm values in the tensile block
Typical Applications
ASTM A572/A572M Grade 65
Riveted or bolted bridge construction, or riveted, bolted or welded construction in other applications
ASTM A572/A572M Grade 50
Riveted, bolted or welded structures
Can ASTM A572/A572M Grade 65 Be Substituted With ASTM A572/A572M Grade 50?
ASTM A572/A572M Grade 65 and ASTM A572/A572M Grade 50 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 A572/A572M Grade 65 and ASTM A572/A572M Grade 50?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A572/A572M Grade 65 be substituted with ASTM A572/A572M Grade 50?
ASTM A572/A572M Grade 65 and ASTM A572/A572M Grade 50 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.