CASTINGFORGINGEXTRUSIONWELDINGMACHININGOTHER STEEL PIPESWelded Steel Pipe 100X50X3.0MM Oval steel pipe for fitness equipment American Standards 1/2 Inch Bright Carbon Steel Pipe ASTM A53 Galvanized steel pipe Rhs Rectangular Hollow Steel Pipe ERW LOW CARBON STEEL PIPE Shoudered tube ERW LOW CARBON STEEL PIPE welded oval steel pipe (Flat oval, regular oval high frequency welded pipe, best-selling in Australia, used for cattle and sheep fence structure) Steel tube of Automotive Chassis Steel Tubing used for Automotive Axle purpose Engine steel tubes Steel Pipes for automotive chassisPRECISION SEAMLESS STEEL PIPERound steel S25C seamless high precision steel pipe BkBkwBksGbkNbk Cold Drawn Seamless Precision Steel Pipe Q235A material properties carbon seamless steel pipe ASTM4140 alloyed seamless steel pipe Long length precision steel pipe annnealed black finish ASTM4140 alloyed seamless steel pipe High precision thick wall small diameter chrome steel tubes ASTM A53-A Cold drawn seamless pipe GB 8162 Cold Rolled Seamless Tube A519 1045 alloy seamless pipe EN10305 High precision seamless pipe EN10305 E215 seamless cold drawn high pecision steel pipe DIN2391 Alloy Cold Rolled Seamless Steel Tube DIN CK20 high precision small diam Steel Pipes for automotive chassis Cold rolled seamless mechanical tube Cold rolled seamless pipe Cold Rolled Seamless Black Finish Steel Tube STKD540 seamless steel pipe Cold rolled bright finish steel pipe Small diameter decorative bright surface steel pipe Cold drawn seamless tube Seamless pipe with threaded ends Oil casing