API standard 650 open top welded storage tanks materials

Prefabrication requirements of API standard 650 open top welded storage tanks, large vertical storage tank wall panels:
1. The prefabrication of wall panel shall be processed in strict accordance with the requirements of the drawings, and inspection records shall be made.
2. After the wall panel is rolled, it should be placed on the platform for inspection with a template. In the vertical direction, use a straight-line template to check, the gap should not be greater than 2 mm, and in the horizontal direction, use an arc-shaped template to check, and the interval should not be greater than 4 mm.
3. When wall panels are rounded, attention should be paid to prevent irreversible plastic deformation caused by external forces. After rolling, it should be placed on the platform for inspection, and then placed on the prepared mold.Temporary Openings after Hydrostatic Test
When approved by the Purchaser in writing, and only in the case of tanks which when complete have no shell penetrations, it is permitted to restore by welding up to four temporary shell openings after the hydrostatic test in accordance with the provisions of this section. Each temporary opening shall be restored by the insertion of a shell plate that matches the thickness and specification of adjacent shell material, and is welded into place with full fusion butt-welds. The API standard 650 open top welded storage tanks insert plate shall be round with diameter no less than 24 in. and no greater than 42 in.API 650 storage tank is used for commonly used oil, gasoline, diesel, chemical and production water storage. API standard 650 open top welded storage tanks Storage tanks built to these standards are spread across U.S. refineries, terminals, pipelines, and production facilities. The API 650 detailed standard specifies the design, processing, welding, inspection and installation procedures for storage tanks.To the society: With the development of the company, BEBON has always adhered to the development mission of "developing heavy industry for the benefit of all mankind; improving the environment and achieving sustainable development”, operating with integrity and paying taxes in accordance with law.For our employees, the company fully respect employee value, pursuing mutual development of enterprise and employees.We are a professional exporter of JIS 3101 SS 540 steel and a steel stockist in China. We stock more than 1000 tons of JIS 3101 SS 540 steel every month. If you want to get the price of JIS 3101 SS 540 steel, please do not hesitate to contact us. Please feel free to contact us by email or phone at any time if you have any need for the API standard 650 open top welded storage tanks chemical composition and mechanical properties of JIS 3101 SS 540.