API standard 650 stainless and carbon steel tank earth foundations without a ringwall

,API standard 650 stainless and carbon steel tank. weld tightness test: remove dirt from the API standard 650 stainless and carbon steel tank weld, apply white powder emulsion, spray kerosene on the other side of the weld after drying. Because of the strong penetration of kerosene, if kerosene is sprayed after 12 hours (under low temperature conditions, the time can be extended), if the surface of the welded seam coated with white emulsion has no spots, the welded seam meets the requirements.Welding of API 620 Steel storage tank Primary Components
The following primary components shall be joined with double butt-welds that have complete penetration and complete fusion except as noted:
Longitudinal and circumferential shell joints and joints that connect the annular bottom plates together. When approved by API standard 650 stainless and carbon steel tank Purchaser, these may be welded from a single side provided temporary non-fusible backing is used with complete penetration and complete fusion. Both sides of the joint shall be 100% visually examined as specified in 7.15.5.The API 650 petroleum storage tank standard is one of the most widely used design specifications. It is the API 650 standard of the American Petroleum Institute. The main goal of the API 650 standard is to promote the purchase and construction of vertical, above-ground, and welded manufacturing API standard 650 stainless and carbon steel tank tanks through the requirements contained in its parts to ensure that the required safety regulations are met."Hard and solid, honest commitment, practical effect". To strive for a solid enterprise foundation with hard work style; to promise first-class enterprise service with honest faith; to create efficient enterprise performance with practical spirit.Since its establishment, the company has participated in several key railway and highway projects. After years of development, the company’s API standard 650 stainless and carbon steel tank domestic market has been exported to more than a dozen provinces and cities including Kunming, Shenzhen, Hunan, Sichuan, Shanghai, Nanjing, Heihe, Jilin, Inner Mongolia, and Xinjiang . International trade is exported to Kazakhstan, South Korea, Vietnam, South Africa and many other countries, and has been well received by customers.