... /2"-6" MaterialStainless steel: 1Cr18Ni9Ti,0Cr17Ni14Mo2,304,304L,316,316LConnectionWelding,clamp,and threadQuality ISO2000-Quality-SystermSurface Treatment180-420 Grit or unpolishedTemperature ... ,beverage,beer,wine,pharmacy,biology and chemical industry.Other ChoiceReducer,clamp, flange, valve etcIf you have interest in , please do not ...