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ASTM B395/B395M-18

Standard Specification for U-Bend Seamless Copper and Copper Alloy Heat Exchanger and Condenser Tubes
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This specification establishes the requirements for condenser, evaporator, and heat exchanger U-bends that are manufactured from seamless copper and copper alloy tube.

The material of manufacture shall be of such quality and purity that the finished product shall have the properties and characteristics specified. The material shall conform to the chemical composition requirements specified.

Tensile test, expansion test, flattening test, mercurous nitrate test or ammonia vapor test, nondestructive examination, hydrostatic test, and pneumatic test shall be made to conform to the requirements specified.

1.1 This specification2 establishes the requirements for condenser, evaporator, and heat exchanger U-bend tubes that are manufactured from seamless copper and copper alloy tube.

1.2 Units— The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 This specification is applicable to product 2 in. [50 mm] or less, inclusive, in diameter.

1.4 The product shall be produced from one of the following coppers or copper alloys, as specified in the ordering information:

Copper or
Copper Alloy
UNS No.

Previously Used
Designation

Type of Metal

C10200

OFA

oxygen-free without residual deoxidants

C10300

...

oxygen-free, extra low phosphorus

C10800

...

oxygen-free, low phosphorus

C12000

DLPA

phosphorized, low residual phosphorus

C12200

DHPA

phosphorized, high residual phosphorus

C14200

DPAA

phosphorized, arsenical

C19200

...

phosphorized, 1 % iron

C23000

...

red brass

C44300

Type B

admiralty metal

C44400

Type C

admiralty metal

C44500

Type D

admiralty metal

C60800

...

aluminum bronze

C68700

Type B

aluminum brass

C70400

...

95-5 copper-nickel

C70600

18.1 For purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.

Property

Property Rounded Unit for Observed or Calculated Value
   
Chemical composition nearest unit in the last
       right-hand significant
     digit used in expressing
     the limiting value
Tensile strength nearest ksi [nearest 5 MPa]
Elongation nearest 1 %
Expansion nearest 1 %
Grain size nearest multiple of 0.005 mm
SDO ASTM: ASTM International
Document Number B395
Publication Date March 1, 2018
Language en - English
Page Count 12
Revision Level 18
Supercedes
Committee B05.04
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