ASTM A387 Grade 22 Class 2 is used in a wide variety of applications where the boiler, heat exchanger or pressure vessel will be at high temperatures. We supply ASME SA387 Grade 22 Class 2 plates to fabricators serving the oil, gas and petrochemical industry.
A387 Gr.22 CL.1Chemical Composition
Grade
|
The Element Max (%)
| ||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
| |
A387 Gr.22 Cl.1
|
0.04-0.15
|
0.50
|
0.30-0.60
|
0.035
|
0.035
|
1.88-2.62
|
0.85-1.15
|
Mechanical Property of ASTM A387 Grade 22 Class 2
Grade
|
A387 Gr.22 CL.2
| |||
Thickness
|
Yield
|
Tensile
|
Elongation
| |
A387 Gr.22 Cl.1
|
mm
|
Min Mpa
|
Mpa
|
Min %
|
t≦50
|
205
|
415-585
|
18
| |
50<t≦200
|
-
|
-
|
-
| |
ASTM A387
|
Grade
|
Grade
|
A387Gr12cl1
|
A387Gr12cl2
|
A387Gr11cl1
|
A387Gr11cl2
|
A387Gr22cl2
|
A387Gr22cl1
|
A387Gr22L
|
A387Gr21cl2
|
A387Gr21cl1
|
A387Gr21L
|
A387Gr5cl1
|
A387Gr5cl2
|
A387Gr9cl1
|
A387Gr9cl2
|
A387Gr91
|
A387Gr911
|
A387Gr2cl1
|
A387Gr2cl2
|
The requirements and testing procedures of Grade 22 Class 2
1, Vacuum treatment
2, Product Analysis
3, Additional Tension Test
4, Charpy V-Notch Impact Test
5, Drop Weight Test
6, High Temperature Tension Test
7, Ultrasonic Examination
8, Magnetic Particle Examination
2, Product Analysis
3, Additional Tension Test
4, Charpy V-Notch Impact Test
5, Drop Weight Test
6, High Temperature Tension Test
7, Ultrasonic Examination
8, Magnetic Particle Examination
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