API 5LX60 steel plate/pipes for large diameter pipes
X60 steel plate, API 5LX60 steel pipes, under API 5L standard, we can regard X60 steel plate/pipes as large diameter pipes.
X60 steel pipes is one mainly of Steel for large diameter pipes,API-X60 steel for the manufacture of buried pipelines for transporting natural gas can succumb to severe degradation due to corrosion by the soil through. The types of corrosion of steel that can be produced are often general corrosion and pitting.
The chemical composition of steel API 5L X60 by [%]
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Al
|
Cu
|
Ti
|
V
|
Nb
|
N
|
Mo
|
|
0.007
|
0.22
|
1.63
|
0.01
|
0.005
|
0.011
|
0.011
|
0.008
|
0.013
|
0.010
|
0.072
|
0.052
|
0.008
|
0.228
|
Mechanical properties of X60 steel
|
Grade
|
Re
(MPa)
|
Rm
(MPa)
|
A
(%)
|
Z
(%)
|
Hardness HB
|
|
|
Exterme faxe
|
Intern face
|
|||||
|
X60
|
541
|
627
|
27
|
42
|
196
|
159
|
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