... 1" - 560" 2) Material: AISI304,AISI321,AISI316L, Inconel625, Incoloy825,. 3) single hinged type Features:1) specification : ID 1"- 560"2) Material ... with 26 production lines, bellow and hose forming machines, and CNC lathes, our annual turnout reaches 3,000,000 meters of ... domestic and the overseas markets for long-term business relationships. Single Hinged Expansion Joint