United States · ASTM

B280 C12000

ASTM B280:2013 — Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service

Chemical composition

wt% · log scale
0.0010.010.11101001000Cu99.9P0.004 – 0.012
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength Rm≥250 MPaSeamless tubes 0.635 < t ≤ 2.79mm, Drawn general purpose +H58Tensile strength Rm≥205 MPaElongation A≥40 %steel tubes 3.18 < d ≤ 41.3mm, Soft annealed +O60

Chemical composition

ElementminmaxSimilarRemarks
Cu99.9Including silver
P0.0040.012

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Seamless tubes 0.635 < t ≤ 2.79mm, Drawn general purpose +H58≥250
steel tubes 3.18 < d ≤ 41.3mm, Soft annealed +O60≥205≥40 Lo=50mm