310 coil tube is a type stainless steel coil tube can be used of oil feild ,pipe fitting ,and some instrument ect
the grade is ASTM 310 the surface is bright and soft and annealed ,the length can be 4000M/coil without any welded ,Liao cheng sihe stainless steel material ltd ,can produce 310 coil tube ,the length can be up to 4000m/coil Grade is ASTM JIS DIN 304 304l 316316l 2205 625 825 coil tube