Seamless pipe Standard: BS, JIS, GB, DIN, ASTM Standard: ASTM A106-2006 Grade: 10#-45#, 16Mn, A53-A369, Q195-Q345 Seamless ... of our high quality and competitive price. Our seamless steel tube has Five big advantages :a,High precision ... good surface quality, linear for good;d, Steel pipe diameter can be made tiles ;e, Steel tube performance ... big pleasure to serve you, welcome enquiry! Seamless Pipe