DIN Seamless Precision Steel Tube Description: DIN Seamless precision steel tube, cold drawn and cold rolled seamless. And we've been featured involved in this kind of product. We exported large quantity to many countries. Customized technical specifications for the providing of seamless precision tubes. Product Name DIN 17175 St35 St37 St52 Seamless High Precision Steel Tube Carbon Round Tube Size O.D.: 6.0-650.0mm�  W.T.: 1.0-65mm�  Length: Max.12000mm Applications Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services. For Auto. use, machinery use, oil cylinder tube, motorcycle shock reducer use, auto shock reducer inner cylinder, etc.