1)Product Name:Thermal Diffusion Pipe
2)Specification and type of the Thermal Diffusion Pipe:φ219×6-20,φ273×6-28,φ325×6-30,φ377×10-25,φ426×8-30,φ480×8-30,φ530×8-30,φ630×8-30,φ720×10-30,φ820×10-30
3)Standard applied of the Thermal Diffusion Pipe:GB/T8162-1999,GB/T8163-1999
4)The Thermal Diffusion Pipe Material Contents:20#,Q235