Air Condition pure copper pipe : 1.wear-resistant 2. anti-rust property 3.competitive price Air Condition pure copper pipe ITEMCOPPER PIPE SPECIFICATION(Used for Air Conditioning system)MaterialCopper or Copper with aluminumLength3m,4m,5.8m, 6m, 15m,30mWall Thickness0.40mm-80mmOuter Diameter4mm-100mmGradeC12200Ultimate Strength (MPa)250StandardASTM B280, JIS H3300, EN12735, AS1571Elongation (≥ %) ...