Manufacturer of custom machined parts, specializing in bronze and other alloys for your engineered applications
419.223.1075
1046 Greenlawn Ave, Lima OH 45804
NOW HIRING
LEAD-FREE | LOW-LEAD
C89844
CAST C89844
C89844 is a C844 lead-free replacement alloy. C89844 supports the market demand for lead-free material and compliance with the 3874 Reduction of Lead in Drinking Water Act (effective January 2014).
INFORMATION
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: C89844 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: fittings/valves for potable water
CHEMICAL COMPOSITION
Cu%
Pb%
Sn%
Zn%
Fe%
P%
Ni%1
Al%
Bi%
S%
Sb%
Si%
83.00-86.00
0.20
3.00-5.00
7.00-10.00
0.30
0.05
1.00
0.005
2.00-4.00
0.08
0.25
0.005
MACHINABILITY
Copper Alloy UNS No.
Machinability Rating
Density(lb / in 3 at 68 °F)
C89844
70
0.31
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
28
193
13
90
5
55
PHYSICAL PROPERTIES
US Customary
Metric
Melting Point - Liquidus
1850 °F
1010 °C
Melting Point - Solidus
1550 °F
853 °C
Density
0.310 lb/in3 at 68 °F
8.58 gm/cm3 at 20 °C
Specific Gravity
8.58
8.58
Electrical Conductivity
16.8% IACS at 68 °F
0.095 MegaSiemens/cm at 20 °C
Thermal Conductivity
46.7 Btu/sq ft/ft hr/°F at 68 °F
80.9 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
0.08 Btu/lb/°F at 68 °F
335.2 J/kg at 20 °C
Modulus of Elastic in Tension
13000 ksi
89622 MPa
FABRICATION PROPERTIES
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
THERMAL PROPERTIES
Treatment
Value*
Time**
Stress Relief
500
Solution Treatment
0


SPEC SHEET


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