Q460 alloy steel plate with heavy thickness

Short Description:

Q460 is a low-alloy high-strength steel that will plastically deform when the strength reaches 460 MPa


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product description

Description:

Q460 is a low-alloy high-strength steel. Q represents the strength of steel, 460 represents 460 MPa, mega is the 6th power of 10,

and Pa is the pressure unit Pascal. Q460 means that the plastic deformation of steel will only occur when the strength of the steel

reaches 460 MPa, that is, when the external force is released, the steel can only maintain the shape of the force and cannot return

to its original shape. This strength is greater than that of ordinary steel.

On the basis of ensuring low carbon equivalent, Q460 appropriately increases the content of microalloying elements. Good welding

performance requires a low carbon equivalent of steel, and the increase of microalloying elements increases the strength of the steel

while also increasing the carbon equivalent of the steel. Fortunately, the added carbon equivalent is very small, so it will not affect the

weldability of the steel.

Chemical Composition:

Grade
Chemical Compostion(%)
C
Mn
Si
P
S
V
Nb
Ti
AI≥
Cr
Ni
Q460
C
0.2
1.8
0.6
0.03
0.03
0.2
0.11
0.2
0.015
0.3
0.8
D
0.03
0.025
E
0.025
0.02

 

Mechanical Properties:

Grade Delivery Mechanical Properties
 Yield Strength  (Thickness Min Mpa ) Tensile Strength elongation min%
16mm 16—40mm 40—63mm 63—80mm 80—100mm 100—150mm Min  Mpa ≥34J
Q460 C Nornalization 460 440 420 400 400 380 550-720 17%
Q460 D Nornalization
Q460 E Nornalization

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