Close Alternative — 75.7% match
based on chemical composition and mechanical property overlap.
ASTM A572/A572M Grade 65 (ASTM A572/A572M:2021) and AS/NZS 1595 C450 (AS/NZS 1595:1998) 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 AS/NZS 1595 C450 is commonly used for higher-strength cold-rolled structural steel sheet; roll-forming, purlins, high-strength cold-formed sections.
ASTM A572/A572M Grade 65 is defined under ASTM International, originating from United States, while AS/NZS 1595 C450 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.
As per chemical composition, ASTM A572/A572M Grade 65 vs AS/NZS 1595 C450 is a 96.9% match.
As per mechanical properties, the match is 33.3%.
Combined, this makes them a close alternative overall at 75.7%.
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
AS/NZS 1595 C450
Tensile Strength
>=550 MPa
500 MPa min
Yield Strength
>=450 MPa
450 MPa min
Elongation
>=15%
12% 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
Typical Applications
ASTM A572/A572M Grade 65
Riveted or bolted bridge construction, or riveted, bolted or welded construction in other applications
Can ASTM A572/A572M Grade 65 Be Substituted With AS/NZS 1595 C450?
ASTM A572/A572M Grade 65 and AS/NZS 1595 C450 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 ASTM A572/A572M Grade 65 and AS/NZS 1595 C450?
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 AS/NZS 1595 C450?
ASTM A572/A572M Grade 65 and AS/NZS 1595 C450 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.