... ISO9001:2000 Specification of Copper Pipe and Aluminum (Example of 58*1800 size)Copper Pipe:Length: 1.72mMaterial: Tu1CopperDiameter of Heat ... Pipe Diameter & Thicknessdia.=47±0.5mm &=1.6mm, dia.=58±0.5mm &=1.6mm,dia.=70±0.5mm &=2.0mm ... 5mm &=1.6mm, dia.=47±0.5mm &=1.6mm,dia.=58±0.5mm &=1.6mm, Pipe Length1500mm, 1600mm, 1700mm, 1800mm, ... a Preset Water TemperatureH≤4.7 MJ/ m²(dia.58)H=3.7~4.2 MJ/ m²H≤3. ...