stainless steel pipe fittings Straight Tee: TP304,TP304L,TP316,TP316L,TH321,S31803 SIZE:seamless fittings:DN15------DN600, stainless steel pipe fittings Straight Tee:TP304,TP304L,TP316,TP316L,TH321,S31803SIZE:seamless fittings:DN15------DN600,welded fittings,DN300---DN1200,wall thick ness:schlos---sch160.