Seamless Steel Tubes: Specification of seamless steel tubes: Finish: Seamless steel tubes are available in hot-dipped galvanized or electro galvanized steel. Sizes: Seamless steel tubes of various sizes are available for request. Quality control of seamless steel tube: All the properties include mechanical and chemical properties are tested throught the procedure. Applications of seamless steel tubes: petroleum, medical equipment, chemical industry, paper making, electric power, heat preservation and refrigeration, water conservancy, boiler heat - exchanger, etc.