Dimension

Size tolerance

Performance of machine

Pipe diameter x wall thickness

mm 

OD tolerance

mm

Wall thickness tolerance

mm

Tensile strength

mpa

Yield strength

   mpa

Elongation
   δ％

Φ4×0.5

±0.08

±0.08

≥290

≥180

≥25

Φ4.76×0.6

Φ4.76×0.65

Φ6×0.6

Φ6×0.65

Φ8×0.6

Φ8×0.65

Φ8×0.7

hot galvanized steel tube Product features:

◇With good mechanical properties, it is conducive for subsequent processing and molding processes.  

◇With excellent surface coating performance, it is capable of electrophoresis coating and spraying processing on the steel pipe surface.

◇

With high inner surface cleanliness, suitable for refrigeration systems using 600a and 134a refrigerants