... which are made from premium quality raw material.Monel 400 Seamless Tube Designation: UNS N04400 / W.Nr. 2.4360 and 2. ... .5 maxType: Seamless, ERW, Welded, Fabricated.Form: Round, Square, Rectangular, Hydraulic, Etc. Other: Hydraulic Tube, Horn Tube, Capillary Tube, Boiler Tube, Precision Tube, IBR TubeEnd: ... further information! Zhejiang Chaowei New-Material Co.,Ltd. Monel 400 Seamless Tube