stainless steel square pipe ASTM/TP 201 , 202 , 304, 304L, 321, 316L,316Ti etc size:15*15~120*120mm WT: 0.7mm-30mm stainless steel square pipe1. Standard: ASTM2. size:15*15~120*120mm3. Wall thickness: 0.7mm-30mm4. Length: below 20m5. Material: 201, 202, 304,304L,316L 316Ti, 321, 430 or according to customers' requests6.Polishing: 400#, 320#, 180#, 240#, 80# and hair line. 

stainless steel square pipe