Keywords: ASTM A204 GR.A steel plates, A204 GR.A Alloy
ASTM A204 steel is a presssure vessel steel for primary forming into wrought products, A204 has three grades or levels--Grade A/B/C.ASTM A204 GR A pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, 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.
|
Grade |
C |
Fe |
Si |
Mn |
P |
S |
|
|
A204 GR.A |
min. |
0.18 |
0.18 |
0.13 |
0.90 |
– |
– |
|
max. |
– |
0.25 |
0.45 |
0.98 |
0.035 |
0.035 |
|
|
ASTM A204 Grade C |
||
|
Tensile strength, kis [MPa]: |
65-85 [450-585] |
|
|
Yield strength, min, kis [MPa]: |
37 [255] |
|
|
Elongation in 8 in. [200 mm], min, % |
19 |
|
|
Elongation in 2 in. [50 mm], min, % |
23 |
|
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