Dimension

Size tolerance

Mechanical Property

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

Φ4×0.5

±0.08

±0.08

≥25

Φ4×0.7

Φ4.76×0.5

Φ4.76×0.7

Φ6×0.65

Φ6×0.7

Φ8×0.7

Product features:

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

◇

With excellent surface coating performance, capable of galvanizing, chrome-plating, electrophoresis coating and spraying processing on the steel pipe surface.

◇

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

◇With good compression performance and fatigue resistance performance