Double wall rolling Brazed steel Tube HSR-D12T7
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welded steel tube
Double-wall roll-welded steel tube is suitable to be used in any normal industry, especially is ideal tube in condensator, evaporator exhaust pipe , refrigerating equipment, automoblie fuel oil pipe. and brake-pipe, electrical heating pipe, refrigeration system pipe and compressor pipe.
The specifications of tubes with 0.7mm wall thickness are as the follows : Dia4.76, Dia5.0, Dia6.0, Dia6.35, Dia8.0, Dia9.52, Dia10.0, Dia12.0, Dia15.0, Dia16.0.
The specifications of tubes with 1.0mm wall thickness are as the follows : Dia8.0, Dia10.0, Dia12.0 , Dia15.0, Dia16.0.
Double-wall roll-welded steel tube has great corrosion resistance by surface treatment like:galvanized outer wall, chrome acid rainbow passivation; galvanized in outer wall, chrome acidolive green passivation; galvanized in outer wall and chrome acid olived green passivation, coated PVF; hot-dip galvanized or plumbum-tutania plating outer wall.
Out Diameter(mm) : 12.0
Permissible Diameter(mm) : 0.05
Wall Thickness(mm) : 0.7
Permissible Deriation(mm) : 0.12
weight (G/M) : 194
Pressure Ressitance(Mpa) : 34