Detailed Product Description precision steel tubeA:smooth surfaceB:high precision sizeC:rust prevention treatment:oiledPengda Precision Seamless Steel Tube1 sizeOD: 5mm-120mmWall thickness: 0 ... #,30#,45#,15crmo,20crmo,15cr,20cr,304L.304 etc3Standards:GB,ISO,DIN,ASTM,JIS,IDF,BS,BSEN AND ETC4Application: widely used ...