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ASTM B-359 / ASME SB-359

SPECIFICATION FOR COPPER AND COPPER-ALLOY SEAMLESS CONDENSER AND 
HEAT EXCHANGER TUBES WITH INTEGRAL FINS

1.Scope

1.1 This specification covers seamless copper and copper alloy with he external or internal surface, or both, has been modified by a cold-forming process to produc an integral enhancd surface for improved heat transfer. The tubes are used in surface condensers, evaporators, and heat exchangers and are normall made form the following copper and coper alloys.

Copper or Copper AlloyAUNS No. Peviously used Desingation Type of Metal
C10200 OF Oxygen-free without residual deoxidants
C12000 DLP Phosphorized. low residual phosphorus
C12200 DHP Phosphorized. high residual phosphorus
C14200 DPA Phosphorus
C19200 ... Phosphroized. 1% iron
C23000 Red brass  
C44300 Admiralty metal Type B.
C44400 - C.
C44500 - D
C60800 Aluminum vronze ...
C68700 Aluminum brass Type B
C70400 95-5 copper-nickel ...
C70600 90-10 copper-nickel ...
C71000 80-20 copper=nickel Type A
C71500 70-30 copper-nickel ...



The UNS system for copper and copper alloys is a simple expansion of the former standard designation system accmplished by the addition of a prefix "C" and a suffix can be used to accommodate composition variation of the base alloy.
Designations listed in Classification B224.

NOTE ? A complte metric companin to Specifiaction B359 has been developed ? B359M: therefore, no metic equivalets are presented in this specification. 

1.2 The following sapety hazard caveat peraind only to tfhe test mwthods portoin, Section 19, of this specificatio:This standard does not purport to address all og the safery problem, if any, associated with its use. It is the reponsibility of the user of this standard to establish appropriate safety and health pracics and determine the applicability of regulatory limitations prior ti use.


Chemical Composition 

The material shall conform to the chemical requirements specified in Table 1. 

   

Copper Alloy UNS No. Copper Plus Named 
Elements, % min
C60800 99.5
C70400 99.5
C70600 99.5
C71000 99.5
C715000 99.5




TABLE1 CHEMICAL REQUIREMENTS 

Copper or Copper Alloy UNS No. Composition %
CopperA Tin Alu-minum Nickel, incl Cobalt Lead, Max Iron Zinc Manganese Arsenic Antimony Phoshorus Chromim Other Named Elements
C10200B 99.95 min ... ... ... ... ... ... ... ... ... ... ... ...
C12000 99.90 min ... ... ... ... ... ... ... ... ... 0.004-0.012 ... ...
C12200 99.9 min ... ... ... ... ... ... ... ... ... 0.015-0.040 ... ...
C14200 99.40 min ... ... ... ... ... ... ... 0.15-0.50 ... 0.015-0.040 ... ...
C19200 98.7 min ... ... ... ... 0.8-1.2 ... ... ... ... 0.01-0.04 ... ...
C23000 84.0-86.0 ... ... ... 0.05 0.05max Remainder ... ... ... ... ... ...
C44300 70.0-73.0 0.9-1.2 ... ... 0.07 0.06max Remainder .... 0.02-0.06 ... ... ... ...
C44400 70.0-73.0 0.9-1.2 ... ... 0.07 0.06max Remainder ... ... 0.02-0.10 ... ... ...
C44500 70.0-73.0 0.9-1.2 ... ... 0.07 0.06max Remainder ... ... ... 0.02-0.10 ... ...
C60800 Remainder ... 5.0-6.5 ... 0.10 0.10max ... ... 0.02-0.35 ... ... ... ...
C68700 76.0-79.0 ... 1.8-2.5 ... 0.07 0.06max Remainder ... 0.02-0.06 ... ... ... ...
C70400 Remainder ... ... 1.6-6.2 0.05 1.3-1.7 1.0max. 0.30-0.8 ... ... ... ... ...
C70600 Remainder ... ... 9.0-11.0 0.05C 1.0-1.8 1.0max.C 1.0max ... ... c ... c
C71000 Remainder ... ... 19.0-23.0 0.05C 0.50-1.0 1.0max.C 1.0max ... ... c ... c
C71500 Remainder ... ... 29.0-33.0 0.05C 0.40-1.0 1.0max.C 1.0max ... ... c ... c


 ACooper(Including siliver).  BOxygen in C10200 shall be 10 ppm max. 

 CWhen the product is for subsequent welding applicationsm and so specified by the purchaser,zinc shall be 0.50% max., 
lead 0.02%., phosphous 0.02% max., sufur and carbon 0.05%max. 


Copper Alloy UNS No. Copper Plus Named 
Elements, % min
C23000 99.8
C44300 99.6
C44400 99.6
C44500 99.6
C68700 99.5



TABLE2 TENSILE REQUIRMENTS 

Copper or Copper Alloy UNS No. Temper Designation Tesile Strength, Min. Yield Strength,BMin.
Standard Former ksiA ksiA
C10200, C12000, C12200, C14200 O61 Annealed 30 9C
C10100, C10200, C10300, C10800, C12000, C12200, C14200 H55 Light-drawn 36 30
C19200 O61 Annealed 38 12
C23000 O61 Annealed 40 12
C44300, C44400, C44500 O61 Annealed 45 15
C60800 O61 Annealed 50 19
C6870 O61 Annealed 50 18
C70400 O61 Annealed 38 12
C70600 O61 Annealed 40 15
C71000 O61 Annealed 45 16
C71500 O61 Annealed 52 18



TABLE3 EXPANSION REQUIREMENTS 

Temper Designation Copper or COpper Alloy UNS NO Expansion of Tube Qutside Dia. in Percent of Original Outside Dia.
Standard Formr
O61 Annealed C10200, C12000, C14200 30
H55 Light-drawn C10200, C12200, C14200 20
O61 Annealed C19200 30
  Annealed C23000 20
  Annealed C443000-C44500 20
  Annealed C60800 20
  Annealed C68700 20
  Annealed C70400 30
  Annealed C70600 30
  Annealed C71000 30
  Annealed C71500 30



TABLE4 DIAMETER OF DRILLED HOLES 

Nominal Dia Over Fins or Unfinned Section, in. Dia of Drilled Holes, in.
1/4-5/8, incl 0.042-No. 58drill
Over 5/8-1, incl 0.046-No.056drill



TABLE5 DIAMETER TOLERANCES 

Specified Dia., in. Tolerance., in
0.500 and under ±0.0002
Over 0.500-0.740, incl ±0.0025
Over 0.740-1.000, incl ±0.003



TABLE6 LENGTH TOLERANCES 

Specified Length, ft Tolerance, All Plus, in.
Up to 20, incl 1/2
Over 20-30, incl 5/32
Over 30-60, incl 1/4



TABLE7 SQUARENESS OF CUT 

Specified Outside Sia., in. Tolerance
Up to 5/8, incl 0.010 in.
Over 5/8 0.016 in./in. of diameter



Test ASTM Designation
Chemical analysis E 53, E 54, E 62, E 75, E 478
Grain Size E 112
Expansion(Pin Test) E 153
Mercurous Nitrate E 154
Tension E 8


 

Property Rounded Unit for Observed or Calculated Value
Chemical analysis Nearest unit in the last right hand place of figures
Tensile strength Nearest ksi
Yield strength  
Grain size: Nearest multiple of 0.005 mm
Up to 0.055 mm, incl  

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