Applicable Standards

Applicable Standards of Copper Tubes

Nos. of Standards Title
ASTM B360 Hard-Drawn copper capillary tube for restrictor applications.
ASTM B280 Seamless copper tube for air conditioning and refrigeration field service
ASTM B 75 Seamless copper tube
ASTM B 68 Seamless copper tube. Bright annealed.

Chemical Composition

ASTM B 68, B 75, B 280, B 360 UNIT : %
Type CU P Name
C 10200 99.95 min. -- OF
C 12200 99.90 min 0.015~0.040 DHP

Mechanical Properties. Crystal Grain Size

ASTM B 68, B 75, B 280, B 360
Standard Type of Material Tensile Strength Ksi.(N/mm) Elongation Percentage % Grain Size (mm)
B68,B75,B280Soft Anneal 30 min.(210 min.) 40 min. 0.040 min.
B68, B75Light Anneal 0.015~0.040
B 75Light Drawn 36~47 (250~325) - -
B75, B280 Drawn 36 min. (250 min.) - -
B 75Hard Drawn 45 min.(310 min.) - -
B 360Hard Drawn 57~75 (395~515) - -
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Manufacturers And Exporters :

Capillary Tubes, Copper Tubes, Copper Tube Fittings, Air Conditioning & Refrigeration Tubes, VRV /VRF Tubes, Plumbing Copper Tubes, LPG/Gas Pipes

 

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