API standard 650 austenitic stainless steel storage tanks external loads

Welding certification is regulated by Section 10 of the American Society of Mechanical Engineers (ASME). For both API standard 650 austenitic stainless steel storage tanks storage tank API 650, non-destructive inspection is required, but third-party inspection is not required.

Preheat Treatment
Many laboratory tests have shown preheat treatment of carbon steel to 300°F-400°F to be the equivalent of the post-heat treatment at no less than 1100°F insofar as the physical properties of the weldment are concerned.40,41 Some tests have indicated a slight advantage of the post-heat treatment. Most of the tests have been made on plates 3/4 in. - 1 in. thick; results must be viewed with caution if preheating is applied appreciably beyond this thickness range. However, for all practical purposes, improvement resulting from preheating is sufficiently well established so that preheat should be considered for field fabrication of API 620 crude oil tank plates over 3/4-in. thick whenever toughness of the tank API standard 650 austenitic stainless steel storage tanks is highly desired and the thermal post-heat treatment is impractical.

The engineering quality of API standard 650 austenitic stainless steel storage tanks not only affects production and operation, but also affects the life safety of the staff. The factors affecting the API standard 650 austenitic stainless steel storage tanks construction quality are all aspects, any link, any part of the problem will affect the whole project, so the quality management is paid more and more attention. How to ensure the engineering construction quality of oil tank? First, make API standard 650 austenitic stainless steel storage tanks construction technical preparation carefully, understand the design intent, master the construction acceptance specification, and make detailed construction technical disclosure to the construction team.

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