Cast Bronze

Bronze CDA 65500

Specs: ASTM-B-98 ASTM-B-124
UNS# C65500

Silicon Bronze C65500 (Bronze CDA 65500) is comprised of 95% Copper, with 4% Silicon and 1% Manganese to combine high strength and good hot and cold formability with excellent welding characteristics. Additionally, Silicon Bronze 65500 exhibits good resistance to corrosion by brine and sulfite solutions, non-oxidizing inorganic acids, alkalis, and other mixtures. The mechanical and chemical properties of Silicon Bronze 65500 are similar to those of stainless steel.

 

Silicon Bronzes are commonly used in the pump & valve component, fastener, piston ring, and marine hardware industries.

Details

Silicon Bronze C65500 (CuSi3Mn1) is a wrought single α phase alloy with additions of silicon and manganese to increase the strength.

 

The alloy can be strengthened by heat treatment resulting from an age-hardening process in which Manganese silicides are precipitated from a solid solution, copper-rich matrix. This alloy can be further strengthened by cold work prior to the precipitation process and again following heat treatment. This enables the alloy to be supplied in various tempers from half hard to extra hard depending on the final application.

 

C65500 being primarily a single-phase alloy of high copper content exhibits excellent corrosion properties in seawater and other polluted water systems.

 

It also has anti-bio-fouling properties in seawater and exhibits antimicrobial properties against many harmful microbes. Recently, the alloy was proven to have anti-microbial applications in hospital environments to combat the spread of viral bacteria and as a result, has been registered by the Environment Protection Agency.

 

The alloy has excellent cold working and good hot working properties and can be joined by standard welding, brazing, and soldering techniques.

Available shapes –  round 

Tools

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Applications

Industrial

  • Bridge Bearing Plates
  • Bolts and Nuts
  • Screws
  • Pole Line Hardware
  • Nails
  • Cotter Pins
  • Clamps
  • Heat Exchange Tubes
  • Piston Rings
  • Screen Cloth and Wire
  • Bushings and Bearings

Aerospace

  • Hydraulic Pipelines

Marine

  • Fasteners
  • Propeller Shafts
  • Maine Hardware

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Specifications

Specifications of Bronze CDA 65500

International
Standards
Material
Designation
Tube & Pipe
Welded & Seamless
Sheet & Plate Strip Rod, Bar
& Profile
Wire Forgings
USA
ASTM
UNS C65500 ASTM B 315 ASTM B 96 ASTM B 96 ASTM B 98
ASTM B 96
  ASTM B124
ASTM B 283
ASME         ASME SB 96    
AMS              
SAE         SAE J461
SAE J463
   
Europe
EN
CuSi3Mn1
CW 116C
      EN 12163 EN 12166  
Germany
DIN 17666
CuSi3Mn
2.1525
           
UK
British Standard Military
CS 101   BS 2875   BS 2874    
Russia
GOST 18175
BrKMc3-1            
China
GB 5233
QSi3-1   GB 2047 GB 2065 GB 4431 GB 3123  
Australia
AS 2738-2
655
656
  AS 1566 AS 1566 AS/NZ 1566 AS/NZ 1573  
Mechanical Properties

Mechanical Properties of Bronze CDA 65500

Product Form Condition Size
Imperial Metric
UTS
N/mm²   Ksi
0.5% Yield
N/mm²   Ksi
Elong
%
Rod & Bar H04
Hard Drawn
<=0.25” (<=6.35mm) >0.25-1” (>6.35-25.4mm)
>1-1.5” (>25.4-38mm)
>1.5-3” (>38-76.2mm)
>3” (>76.2mm)
90-100 615-689
90-100 615-689
80-90 545-615
70-80 485-552
By Agreement
55-61 380-420
52-58 360-400
43-49 295-340
38-44 260-300
8-19
13-22
15-25
17-28
Physical Properties

Physical Properties of Bronze CDA 65500

Physical Properties Imperial Units Metric Units
Density 0.308lb/in³ 8.53g/cm³
Melting Range 1780-1880ºF 970-1025ºc
Hot Working Range 970-1025 ºF 705-760 ºc
Mean Liner Expansion 20-300ºc   0.018 ºc x10-³
Mean Liner Expansion 68-572 ºF 0.0010 ºF x10-³  
Specific Heat 0.090Btu/lb/ ºF @68ºF 377J/kg ºK @20 ºc
Thermal Conductivity 21Btu /ft²/fth ºF @68ºF 36W/m. ºK
Electrical Resistivity 9.68µ_in 24.6 μΩcm
Electrical Conductivity 7% IACS @68ºF 0.04MS/cm@20 ºc
Modulus of Elasticity 10³    
Tension 15ksi 103N/mm²
Rigidity 5.6ksi 39 N/mm²

While the data is believed to be accurate, Wieland Diversified makes no representation or warranty of any kind (expressed or implied) and assumes no responsibility with respect to the accuracy and values shown above; this information should only be used as a guide.

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