... testing equipment. 3,competitive price . Productstainless steel pipe 316standardASTM A213,ASTM A312,ASTM A269,ASTM A789, ... pipe is mainly used in Boiler,Heat Exchange,Piping,City Decoration,Constructure,Oil and Chemical industry,Food and Medical industry,Paper making ... ,Water and Machine industry 316 seamless/ Welded stainless steel pipe