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％

Φ3.18×0.5

±0.05

±0.05

≥290

≥180

≥28

Φ3.18×0.7

Φ4.76×0.5

±0.08

±0.08

≥25

Φ4.76×0.7

Φ8×0.5

Φ8×0.7

Product features:

◇

Fabricated with double copper welded steel pipe

◇With good mechanical property, convenient for subsequent processing and molding

◇

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