ASTM B 280 Copper Tube - ACR

Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service - ACR

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Seamless copper tube according ASTM 280 is intended for use in the connection, repairs, or alternations of air conditioning or refrigeration units in the field.

Nominal Size
(inches)
Annealed (A) or Drawn Temper (D) Outside Diameter
(inches)
Inside Diameter
(inches)
Wall Thickness
(inches)
Cross Sectional Area of Bore
(square inches)
1/8 A 0.125 0.065 0.030 0.0033
3/16 A 0.187 0.128 0.030 0.0129
1/4 A 0.250 0.190 0.030 0.0284
5/16 A 0.312 0.248 0.032 0.0483
3/8 A 0.375 0.311 0.032 0.076
D 0.375 0.315 0.030 0.078
1/2 A 0.500 0.436 0.032 0.149
D 0.500 0.430 0.035 0.145
5/8 A 0.625 0.555 0.035 0.242
D 0.625 0.545 0.040 0.233
3/4 A 0.750 0.680 0.035 0.363
A 0.750 0.666 0.042 0.348
D 0.750 0.666 0.042 0.348
7/8 A 0.875 0.785 0.045 0.484
D 0.875 0.785 0.045 0.484
1 1/8 A 1.125 1.025 0.050 0.825
D 1.125 1.025 0.050 0.825
1 3/8 A 1.375 1.265 0.055 1.26
D 1.375 1.265 0.055 1.26

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Related Topics

  • Dimensions of Pipes and Tubes Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more
  • Air Condition Systems Air Condition systems - heating, cooling and dehumidification of indoor air for thermal comfort

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