stainless steel tube material: 201 202 301 304 316 shape: round , square PED, AD ... Ni : 0.8%), 201B (Ni : 3%), 201H (Ni : 5%) 301 (Ni : 6%), 304, TP304, TP304L/304L, 321, TP321, 316, ... Quantity-------------------------------------------------------------------------------------PAYMENT TERM: T/T, Irrevocable L/C at sightTRADE TERM: FOB , CFR , CIFDETECTION DEVICE: 301 stainless steel square tube