C89835

Lead-Free Replacement for C932, C836, C844

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✔ STANDARD-STOCKED PRODUCT

Cast

C89835 is a C932, C836 and C844 lead-free replacement alloy and is offered as a standard-stocked product. Concast maintains an inventory of this alloy numbering over 100 items and in sizes up to 5.0" O.D. C89835 supports the market demand for lead-free material and compliance with the S. 3874: Reduction of Lead in Drinking Water Act (effective January 2014). MORE »

Info

Product Description: Bismuth Tin Bronze
Solids: 1/2" to 10" O.D.
Tubes: 1 1/8" to 9" O.D.
Rectangles: Up to 15"
Standard Lengths: 105"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar
Compliance: C89835 is compliant with key legislation including (1) Federal Safe Drinking Water Act 1974 - SDWA, (2) Federal Reduction of Lead in Drinking Water Act 2011 and (3) California AB1953

Typical Uses

Plumbing: faucets, pump components, pipe fittings, plumbing goods, water pump impellers
Industrial: housings, small gears

Chemical Composition

Cu% Pb% Sn% Zn% Fe% P Ni%1 Al% Bi% S% Sb% Si%
1Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
85.00-
89.00
 
0.09
6.00-
7.50
2.00-
4.00
 
0.20
 
0.10
 
1.00
 
0.005
1.70-
2.70
 
0.08
 
0.35
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C89835 70 0.321

Mechanical Properties

Tensile Strength, min Yield Strength, at 0.5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Brinell Hardness (500 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
30 207 14 97 6 65  

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1855 °F 1012 °C
Melting Point - Solidus 1445 °F 785 °C
Density 0.321 lb/in3 at 68 °F 8.89 gm/cm3 at 20 °C
Specific Gravity 8.89 8.89
Electrical Conductivity 14.5 % IACS at 68 °F 0.084 MegaSiemens/cm at 20 °C
Thermal Conductivity 38.0 Btu/sq ft/ft hr/°F at 68 °F 65.8 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 10 · 10-6 per °F (68-392 °F) 17.3 · 10-6 per °C (20-200 °C)
Specific Heat Capacity 0.093 Btu/lb/°F at 68 °F 389.6 J/kg 293 °C
Modulus of Elasticity in Tension 16900 ksi 116522 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 70

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