材质及型号：  Φ21.3mm~Φ3000mm Material: A105, ST37.2, S235, A350LF2, C22.8, S400, SQ235, A694, 304, 304L, 316, 316L etc.

原产地 ：  Asia and Pacific Area  China

标准 ：  International

H.S.编码  ：   Metal Articles  Articles of Iron or Steel  7307 Tube or pipe fittings, of iron or steel