C90800

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Continuous Cast • GreenAlloys™

Tin bronze alloys such as C90800 are typically found in gear and high-strength bushing and bearing applications where high strength, low speeds, and heavy loads are present. Other high-strength applications for these alloys are pump impellers, piston rings, steam fittings, and valve bodies. C908 tin bronze castings are utilized in movable bridge components, turntables for bridges, and other structures for fixed and expansion bearings with slow or intermittent movement and heavy loads.

C90800

Product Description: Tin Bronze
Solids: 1" to 6" O.D.
Tubes: 1" to 6" O.D.
Rectangles: Up to 10"
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: C90800 is compliant with key legislation including (1) Federal Safe Drinking Water Act - SDWA, (2) S. 3874 Federal Reduction of Lead in Drinking Water Act, (3) California AB1953, and (4) Vermont Act 193

Typical Uses

Industrial: speed reducers, worm gears

Similar or Equivalent Specification

CDA ASTM SAE AMS Federal Military Other
C90800 B427          

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% P% Ni%2 Al% S% Sb% Si%
Chemical Composition according to ASTM B427-21

1In determining Cu min., Cu may be calculated as Cu + Ni.  2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.4% min. Single values represent maximums.
85.00-
89.00
 
0.25
11.00-
13.00
 
0.25
 
0.15
 
0.30
 
0.50
 
0.005
 
0.05
 
0.20
 
0.005

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  
45 310 22 152 14 95
Mechanical Properties according to ASTM B427-21

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