API Std 650 austenitic stainless steel storage tanks sliding friction
Similarities between API 650 and API 620 tanks Both tanks are used for storage purposes. Both API 620 and API 650 containers API Std 650 austenitic stainless steel storage tanks can be made of carbon steel, austenitic stainless steel and nickel alloy (only for low temperature).
As we know, the vertical metal tank, API Std 650 austenitic stainless steel storage tanks is welded by many components, and the welding quality of each component determines the later use effect of the API Std 650 austenitic stainless steel storage tanks. Professional API Std 650 austenitic stainless steel storage tanks manufacturers should have a set of professional skills in the welding process of API Std 650 austenitic stainless steel storage tanks. Key points for weld inspection of vertical metal tank, API Std 650 austenitic stainless steel storage tanks: 1. It is strictly forbidden to paint the welds before passing the inspection. 2. Visual inspection shall be carried out for welds. 3. NDT shall be carried out on the weld.
Allowable compressive stresses shall be in accordance with 5.5.4 except that for aluminum alloy plate the allowable compressive stresses shall be reduced by the ratio of the modulus of compressive elasticity to 29,000 for values of (t – c)/R less than 0.0175 and by the ratio of the minimum yield strength for the aluminum alloy in question to 30,000 for values of (t – c)/R equal to or greater than 0.0175 (see 5.5.2 for definitions). In all other equations in this standard API Std 650 austenitic stainless steel storage tanks where yield strength or modulus of elasticity is used, such as Equations 27 and 28, similar corrections shall be made for aluminum alloys.
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