C89325

Lead-Free Replacement for C937

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SPECIFICATION CROSS-REFERENCE CHART

Cast

C89325 is a C937 lead-free replacement alloy. C89325 supports the market demand for lead-free material and compliance with the 3874 Reduction of Lead in Drinking Water Act (effective January 2014).

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: 144"
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: C89325 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

Industrial: bushings, high-speed/high-pressure bearings

Chemical Composition

Cu% Pb% Sn% Zn% Fe% P Ni%1 Al% Bi% S% Sb% Si%
1.01-2.0% as any single or combination of Ce La or other rare earth(x) elements as agreed upon. (x)ASM International definition: one of the group of chemically similar metals with atomic numbers 57 through 71 commonly referred to as lanthanides
2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
84.00-
88.00
 
0.10
9.00-
11.00
 
1.00
 
0.15
 
0.10
 
1.00
 
0.005
2.70-
3.70
 
0.08
 
0.50
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C89325 80 0.323

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 12 83 4 73

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1805 °F 985 °C
Melting Point - Solidus 1432 °F 777 °C
Density 0.323 lb/in3 at 68 °F 8.94 gm/cm3 at 20 °C
Specific Gravity 8.94 8.94
Electrical Conductivity 10.8% IACS at 68 °F 0.062 MegaSiemens/cm at 20 °C
Thermal Conductivity 29 Btu/sq ft/ft hr/°F at 68 °F 50.2 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 10.3 · 10-6 per °F (68-392 °F) 17.8 · 10-6 per °C (20-200 °C)
Specific Heat Capacity 0.089 Btu/lb/°F at 68 °F 372.9 J/kg at 293 °C
Modulus of Elasticity in Tension 16400 ksi 113074 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 80

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