All Welding of tank plates, steel framing, structural attachments and mountings in both equally the fabrication shop and in the field shall conform to welding procedures and skills for every part IX of ASME BPVC. API Specification 12B Tanks are divided into quite a few capacities depending on bolted tank https://baltek-bilisim67.wikimillions.com/3282346/5_essential_elements_for_stainless_steel_tank_fabrication