API standard 650 stainless and carbon steel tank details of welding

When the API standard 650 stainless and carbon steel tank top shell course is the minimum thickness indicated in 5.10.4, Table 5-6 and Figure 5-6, details a – e, h and i, the minimum anchorage shall be designed for normal loads as specified by the Purchaser and by this standard. See 5.11.2.3 for the allowable stress. When the top shell course is thickened beyond the minimum thickness provided in Table 5-6 or as in Figure 5-6, details f and g, or a knuckle is used, the minimum anchorage shall be designed for three times the internal design pressure. The allowable stress for this loading is 90% of the minimum specified yield strength of anchorage material.

This API 650 tank standard is designed to provide industry with tanks of adequate safety and reasonable economy for use in the API standard 650 stainless and carbon steel tank storage of petroleum, petroleum products. and other liquid products.

In year 2015, we ship 750 tons H beam to Pakistan for our old customer for building use. Because of urgent demand, the H beams are partial shipment by bulk vessel. Due to strong support of our customer, we also export many C channel steel, API standard 650 stainless and carbon steel tank I beam and other profile steel to local market.

The main contents of safety inspection for atmospheric storage tank, API standard 650 stainless and carbon steel tank are to see whether the tank foundation is sunk, whether the tank is corroded, whether there are cracks in the tank body and bottom, whether there is concave convex phenomenon on the top and wall of the tank, whether the accessories of the storage tank are in good condition, etc. After the API standard 650 stainless and carbon steel tank safety inspection and detection, the defects found in the tank should be handled according to the inspection rules in time to ensure the normal and safe use of the storage tank in the later stage.

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