ASTM A204 grade B is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels. A204 steel grade specification covers molybdenum alloy, intended particularly of welded boilers. ASTM A204 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.
A204 Grade BChemical Composition
Grade
|
The Element Max (%)
| ||||
C
|
Si
|
Mn
|
P
|
S
| |
A204 Grade B
|
0.20-0.27
|
0.13-0.45
|
0.90-0.98
|
0.035
|
0.035
|
ASTM A204 grade B Mechanical Properties
Mechanical Property of A203 Grade A steel plate
|
A204 Grade B
|
Tensile strength, kis [MPa]
|
70-90 [485-620]
|
Yield strength, min, kis [MPa]
|
40 [275
|
Elongation in 8 in. [200 mm], min, %
|
17
|
Elongation in 2 in. [50 mm], min, %
|
21
|
Standard: ASTM A-204/A-204M
Steel Grade: A-204 Gr.A, A-204 Gr.B, A-204 Gr.C
Dimension range: 1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm
We can supply any size based on customer's requirements.
MOQ: 1 PC
Product type: Steel plate
Steel Grade: A-204 Gr.A, A-204 Gr.B, A-204 Gr.C
Dimension range: 1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm
We can supply any size based on customer's requirements.
MOQ: 1 PC
Product type: Steel plate
ASTM A204 grade B application:
ASTM A204 Gr.B pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, A204 Gr.B is also used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
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