4140 hot rolled annealing steel round bar
||1-6m or as your request
|Place of Origin
||TISCO BAOSTEEL LISCO ZPSS
||316 ,304l, etc.
||Round(we also have Square/Flat/Channel )
||Bright(cold drawn,smooth turned),Black (Hot rolled, hot forged), Polish,or as your need.
||Hot rolled,cold draw,hrap
These products are widely used in all kinds of architecture and engineering structure,
such as the beam, Bridges, transmission tower, hoisting, ship, industrial furnace,
container frame and warehouse and Other fields