... , SH 3408, SH3410Size1/2''-48''(Butt-welding and seamless);1/8''-4''(Threaded and socket-welding);16''~72''(Welded)Wall thicknessSCH10,SCH20 ... , WPHY 65, WPHY 60, WPHY 52,WPHY 46,WPHY 42,API 5L GRB, X60, X65, X42,X52,ASTM A403 WP304, A403 WP304L ... us. ZHEJINAG ZHONGCHENG VALVE Co.,Ltd (CE,ISO,API,CERTIFICATED MANUFACTURER tee for pipe fitting, pipe fittings. The mainly are used to branch ...