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Detailed introduction for ASME SA204 GR A steel plate chemical composition
ASTM A204 Gr.A steel plate is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels. ASTM A204 Gr A steel plate Equivalent steel grade is France 15 CD 4.05
A204 this property is based on it's Mo composition. ASTM A-204/A-204M A204 has three grades or levels-- Grade A/B/C. A204 steel grade specification covers molybdenum alloy, intended particularly of welded boilers and others pressure vessels steel plate in A204 Gr. A,A204 Gr .B and A204 Gr .C.
ASTM A204 Gr.A steel palte main uses:
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.
ASTM A204 Gr.A steel plate chemical composition (%) :
Composition |
Type |
Thickness(mm) |
A |
C ≤ |
Heat analyse |
≤25 |
0.18 |
|
|
＞25~50 |
0.21 |
|
|
＞50~100 |
0.23 |
|
|
＞100 |
0.25 |
Mn ≤ |
Heat analyse |
- |
0.90 |
|
Product analyse |
- |
0.98 |
P ≤ , S ≤ |
Heat analyse |
- |
0.035 |
|
Product analyse |
- |
0.035 |
Si |
Heat analyse |
- |
0.15~0.40 |
|
Product analyse |
- |
0.13~0.45 |
Mo |
Heat analyse |
- |
0.45~0.60 |
|
Product analyse |
- |
0.41~0.64 |
ASME SA204 Gr.A steel plate Mechanical Properties:
Grade |
Tensile Strength kis |
Yield Strength min, kis |
Elongation in 8 in. [200 mm], |
Elongation in 2 in. [50 mm], |
SA204 Gr A |
65-85 [450-585] |
37 [255] |
19 |
23 |
Shanghai Katalor has 20 year experience of steel products manufacturing and exporting ASME SA204 GR A steel plate . Our cooperated customers come from countries and areas like South America, North America, Europe, Africa, Southeast Asia and the Middle East. We sincerely service every customer of ASME SA204 GR A steel plate. Whether you cooperate with us or not, we will provide the high-quality steel solutions of ASME SA204 GR A steel plate for you.