A387Gr.22 steel plate is a kind of pressure vessel with chromium molybdenum alloy plates.
A387 Gr.22 steel plate application:
ASTM A387Gr.22 steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, youqiguan, liquefied gas, nuclear reactor pressure vessel and boiler steam drum bottle steam, liquefied petroleum, hydropower station high pressure hose, spiral case and other equipment and components. A387 Gr.22 is under the American association of materials and experimental standards and it is welding of boilers and pressure vessels with chromium molybdenum alloy plates working under the high temperature.
A387Gr.22 steel chemical composition:
| Grade | Chemical composition % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| A387 Gr.22 | 0.04-0.15 | 0.25-0.66 | ≤0.035 | ≤0.035 | 0.13-0.45 | 0.88-2.62 | 0.85-1.15 |
A387Gr.22 steel mechanical properties:
| Grade | ASTM A387-22Mechanical Properties | ||
| ASTM A387-22 | Yield | Tensile | Elongation |
| Min Mpa | Mpa | Min Mpa | |
|
310 |
515-690 | 18 | |
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