Specifications: 1″-6″,DN10-DN150
Material：ASTM304/316L,1.4301/1.4404
Inner Surface：Ra0.8μm，mechanical polishing and Electro polishing
Outer Surface：Ra0.8μm，mechanical polishing
Implementation of standards：DIN11851、RJT、SMS、DS、ISO、IDF,etc
Authentication：3-A-63-03；EN 10204-3.1 Certificate