Strong Match — 96.2% match
based on chemical composition and mechanical property overlap.
ASTM A572/A572M Grade 50 (ASTM A572/A572M:2018) and ASTM A572 Grade 50 (ASTM A572) are both steel grades.
Both fall under the Structural Steel category.
ASTM A572/A572M Grade 50 is typically used for riveted, bolted or welded structures, while ASTM A572 Grade 50 is commonly used for high-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication.
ASTM A572/A572M Grade 50 is defined under ASTM International, originating from United States, while ASTM A572 Grade 50 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A572/A572M Grade 50 vs ASTM A572 Grade 50 is a 94.3% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 96.2%.
Frequently Compared With ASTM A572/A572M Grade 50:
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 50
ASTM A572 Grade 50
Tensile Strength
>=450 MPa
450 MPa min
Yield Strength
>=345 MPa
345 MPa min
Elongation
>=18%
18% min
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
Not specified
Hardness
Not specified
137-187 HB
Typical Applications
ASTM A572/A572M Grade 50
Riveted, bolted or welded structures
ASTM A572 Grade 50
High-strength low-alloy structural steel; buildings, bridges, transmission towers, construction equipment, general structural fabrication
Key Differences
ASTM A572 Grade 50 specifies Nb, V which are not specified for ASTM A572/A572M Grade 50.
Can ASTM A572/A572M Grade 50 Be Substituted With ASTM A572 Grade 50?
ASTM A572/A572M Grade 50 and ASTM A572 Grade 50 overlap closely enough on chemistry and mechanical properties that ASTM A572 Grade 50 is often considered as a substitute for ASTM A572/A572M Grade 50 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 ASTM A572/A572M Grade 50 and ASTM A572 Grade 50?
ASTM A572 Grade 50 specifies Nb, V which are not specified for ASTM A572/A572M Grade 50.
Can ASTM A572/A572M Grade 50 be substituted with ASTM A572 Grade 50?
ASTM A572/A572M Grade 50 and ASTM A572 Grade 50 overlap closely enough on chemistry and mechanical properties that ASTM A572 Grade 50 is often considered as a substitute for ASTM A572/A572M Grade 50 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.