• Connection: socket (joint), threaded,  and welded
• Material: 304/ 304L/ 310/ 310S/ 316/ 316L/ 321 
• Size: Seamless 1/2"-24" (DN15-DN600), Welded 1/2"-48" (DN15-DN1200),
• Wall Thickness: SCH5S -SCH160. 
• Standard: ASME/ANSI B16.9, GB/T12459, MSS SP43, DIN and JIS B2313
• Application: petroleum, chemical industries, electric power, water conservancy, shipbuilding, metallurgy, machinery, boiler, city construction project and more