Shuangyin produces stainless steel pipes/tubes' size range available includes:
SEAMLESS:3mm to 219mm Out Diameter by Wall Thickness from 0.5mm to
25mm.Process most of 300 series,we are good at special materials,like nickle alloy,super duplex
Standard:ASTM A312,ASTM A269,ASTM A213 ASTM B163/167,ASTM B423,ASTM B444 ect