Related Material — 63.5% match
based on chemical composition and mechanical property overlap.
ASTM A572/A572M Grade 55 (ASTM A572/A572M:2021) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades.
Both fall under the Structural Steel category.
ASTM A572/A572M Grade 55 is typically used for riveted, bolted or welded structures, while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing.
ASTM A572/A572M Grade 55 is defined under ASTM International, originating from United States, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.
As per chemical composition, ASTM A572/A572M Grade 55 vs AS/NZS 3679.1 350 is a 95.2% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 63.5%.
Frequently Compared With ASTM A572/A572M Grade 55:
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 55
AS/NZS 3679.1 350
Tensile Strength
>=485 MPa
480-640 MPa
Yield Strength
>=380 MPa
350 MPa min
Elongation
>=17%
20% 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 55
Riveted, bolted or welded structures
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Can ASTM A572/A572M Grade 55 Be Substituted With AS/NZS 3679.1 350?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 350 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 55 and AS/NZS 3679.1 350?
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 55 be substituted with AS/NZS 3679.1 350?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 350 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.