ASTM A 572 Grade 65 is a kind of structural quality, high strength, columbium-vanadium low alloy steel. ASTM A572 Grade 65 is used for structural steel shapes in the construction of bridges, building or similar structures.
ASTM A 572 Grade 65 Chemical Composition
Chemical composition of A 572 Grade 65, %
| |||||||
Grade
|
C
|
Mn
|
P
|
S
|
Si
|
Nb
|
V
|
A572Gr.65
|
≤0.23
|
≤1.65
|
≤0.04
|
≤0.05
|
≤0.40
|
0.005-0.05
|
0.01-0.05
|
Mechanical Property of A572 Grade 65
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Grade
|
Thickness
|
Yield
Strength |
Tensile
Strength |
Elongation
|
Charpy V Impact Test
| ||
Degree
|
Energy 1
|
Energy 2
| |||||
A572 Gr.65
|
mm
|
Min Mpa
|
Mpa
|
Min %
|
-
|
J
|
J
|
5＜t≤300
|
450
|
550
|
15%
| ||||
THICKNESS
|
WIDTH
|
LENGTH
| ||
Grade 42
|
4 – 6
|
48 – 120
|
96 – 480
|
Quote
|
Grade 50
|
3/16 – 4
|
48 – 120
|
96 – 480
|
Quote
|
Grade 55
|
3/16 – 1 1/2
|
48 – 120
|
96 – 480
|
Quote
|
Grade 60
|
3/16 – 1 1/4
|
48 – 120
|
96 – 480
|
Quote
|
Grade 65
|
3/16 – 1 1/4
|
48 – 120
|
96 – 650
|
Quote
|
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