ISO9000 Certificate Standard:ASTM A312, ASTM A554,ASTM A249 Out diameter:10.5mm-1016mm Wall thickness:0.6mm-8.18mm Stainless steel pipe,stainless seamless steel pipe,stainless welded steel pipe SUS 201 SUS304 ETC.1.Standard:ASTM A312, ASTM A554,ASTM A249 JIS -G3459,JIS-G3446,GB2.Out diameter:10.5mm-1016mm3.Wall thickness:0.6mm-8.18mmGood quality and best price. stainless steel pipe