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ASTM A572/A572M:2021 Grade 65 Steel: Specifications & Listings

ASTM A572/A572M:2021 Grade 65: Grade 65: high-strength low-alloy columbium-vanadium structural steel. Specified in ASTM A572/A572M:2021.

Category: Structural Steel
Grade Details
GradeASTM A572/A572M:2021 Grade 65
Standard ASTM A572/A572M:2021
ApplicationsRiveted or bolted bridge construction, or riveted, bolted or welded construction in other applications
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A572/A572M Grade 65 ASTM A572/A572M:2018 Strong Match
AS/NZS 3678 Grade 450 AS/NZS 3678:2016 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
AS/NZS 1595 C450 AS/NZS 1595:1998 Close Alternative
EN 10346 S450GD EN 10346:2015 Close Alternative
ASTM A572 Gr.65 ASTM A572 Close Alternative
EN 10025-2 S500J0 EN 10025-2:2019 Close Alternative
ASTM A572/A572M Grade 50 ASTM A572/A572M:2021 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn P S Si
<=0.23 <=1.65 <=0.030 <=0.030 <=0.40
Mechanical Properties
Tensile Strength >=550 MPa
Yield Strength >=450 MPa
Elongation >=15%
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

More data from ASTM A572/A572M:2021

From the standard
Tensile requirements 4 properties
Yield point, min
450 MPa
Tensile strength, min
550 MPa
Elongation in 200 mm, min
15%
Elongation in 50 mm, min
17%
Elongation not required for floor plate; reduced for plates wider than 600 mm.
Source: ASTM A572/A572M:2021, Table 4

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