... etc. GRADE :200 (Ni : 0.8%), 201B (Ni : 3%), 201H (Ni : 5%) 301 (Ni : 6%), 304, TP304, TP304L/304L, 321, ... Duplex 2205, Duplex 2207, etc.-------------------------------------------------------------------------------------SPECIFICATION: size:Φ6*1, Φ8*1, Φ10*1, Φ12*2, Φ14*2, Φ16*2, Φ18*2, Φ20*2, Φ22 ... Φ108*4, Φ133*4, Φ159*4 , Φ219*6, Φ273*8, Φ325*8, Φ429*8 W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S, etc. ...