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Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum to ASTM A 387 Standard
Use:
ASTM A387 grade steel plates are intended for welded boilers and pressure vessels designed for elevated temperature environments.
ASTM A387 Chemical Properties (Cast Analysis)
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C
|
Mn
|
P
|
S
|
SI
|
Cr
|
Mo
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Grade 5
|
0.15 max
|
0.3 - 0.6
|
0.035
|
0.03
|
0.5 max
|
4.00 - 6.00
|
0.45 - 0.65
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|
Grade 9
|
0.15 max
|
0.30 - 0.6
|
0.03
|
0.03
|
1.0 max
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8.0 - 10.0
|
0.9 - 1.1
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|
Grade 11
|
0.05 - 0.17
|
0.4 - 0.65
|
0.035
|
0.035
|
0.5 - 0.80
|
1.0 - 1.5
|
0.45 - 0.65
|
|
Grade 12
|
0.05 - 0.17
|
0.4 - 0.65
|
0.035
|
0.035
|
0.15 - 0.4
|
0.8 - 1.15
|
0.45 - 0.6
|
|
Grade 22
|
0.05 - 0.15
|
0.3 - 0.6
|
0.035
|
0.035
|
0.5 max
|
2.0 - 2.5
|
0.9 - 1.1 |
ASTM A387 Mechanical Properties
|
|
Tensile
Strength
(ksi)
|
Tensile
Strength
(MPa)
|
Yield
Strength
(ksi)
|
Yield
Strength (MPa)
|
Elongation
in
2 inches (%)
|
|
A
387 Grade 5
|
Class
1
|
60-85
|
415-585
|
30
|
205
|
18
|
|
Class
2
|
75-100
|
515-690
|
45
|
310
|
18
|
|
A
387 Grade 9
|
Class
1
|
60-85
|
415-585
|
30
|
205
|
18
|
|
Class
2
|
75-100
|
515-690
|
45
|
310
|
18
|
|
A
387 Grade 11
|
Class
1
|
60-85
|
415-585
|
35
|
240
|
22
|
|
Class
2
|
70-90
|
485-620
|
45
|
310
|
22
|
|
A
387 Grade 12
|
Class
1
|
50-80
|
380-550
|
33
|
230
|
22
|
|
Class
2
|
65-85
|
450-585
|
40
|
275
|
22
|
|
A
387 Grade 22
|
Class
1
|
60-85
|
415-585
|
30
|
205
|
18
|
|
Class
2
|
75-100
|
515-690
|
45
|
310
|
18
|
We can supply:
Thickness from 6mm to 150mm (although thicker plates might be manufactured under special order)
Width: from 1,500mm to 4,100mm
Length: from 6,000mm to 20,000mm
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