... :321 2.thickness:1-100mm 3.OD:5mm-1020mm 321 thin wall seamless stainless steel tube1.grade:3212.thickness:1-100mm3 ... ,200 series,900 series,colored sheets,coils,pipes and tubes,embossed sheets,coils,pipes and tubes,patterned sheets/coils,import sheets ... Stainless Steel City,No.118,Beihuan Road,Wuxi,China. 321 thin wall seamless stainless steel tube