ECO BRONZE® C69300 is a versatile lead-free alloy that can be used in many wear applications including bushings, bearings, gears, worm gears, etc. ECO BRONZE bearings have been independently tested through multiple independent laboratories and has proven to be as good or better than the traditional wear alloys. ECO BRONZE continuous cast and centrifugal cast product offers excellent machinability, resistance to galling, and has good wear characteristics versus C932 and C954. It has high tensile strength equivalent 303 annealed stainless and excellent compressive strength. Its static and dynamic coefficient of friction is similar to C93200 (SAE660). Best of all, it is lead-free and 100% recyclable and is RoHS compliant.
Adding to ECO BRONZE versatility, it is also ideal for use in water and potable water applications. It is often used in water carrying devices including valves bodies, valve stems, valve balls, water meter body, agriculture pipe, fire protection devices, shower valves, etc. because of its superior dezincification and stress corrosion resistance. It easily welds, solders, and brazes, and accepts plating.
Chemistry Composition:
Cu
Si
P
Pb
Fe
Sn
Ni
Mn
Zn
73.0-77.0%
2.7-3.4%
0.04-0.15%
0.09% max
0.10% max
0.20% max
0.10% max
0.10% max
Remainder
Application:
Machining-Forging
Chemistry Specification:
ASTM B371
Lengths:
10 to 16 Feet
Bundle Weights:
1,000 – 4,000 lbs.
Sizes/Shapes:
Shape
Diameter (inch)
Round
0.375″ – 2.50″
Hex / Hex RC
0.375″ – 2.00″
Shapes
Consult Mill
Diameter Tolerances +/- :
Diameter (inch)
Round
Hexagonal, Octagonal
>0.150″-0.500″
0.0020″
0.0040″
>0.500″-1.000″
0.0030″
0.0050″
>1.000″-2.000″
0.0040″
0.0060″
>2.000″
0.20%
0.40%
Minimum Mechanical Properties:
Diameter (inch)
Tensile Strength (ksi)
Yield Strength (ksi)
Elongation (%)
>0.150″-0.500″
85
45
5
>0.500″-1.000″
75
35
10
>1.000″-2.000″
70
30
10
We are the preferred plumbing part provider to leading American plumbing supply warehouses.
Additional information
Weight
N/A
Dimensions
N/A
Alloy
693
Size
0.5 0.562 0.75
Length
1 ft 3 ft 6 ft
Shape
Round
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*This product complies with the 0.25% weighted average lead content on wetted surfaces in accordance with Safe Drinking Water Act (SDWA) / Federal Public Law NO. 111-380.
**To contact manufacturer or request a copy of the warranty terms, call 800-537-4291 or write Wieland Chase, LLC, 14212 Selwyn Drive, Montpelier, OH 43543.
Tough bearing material that is environmentally friendly and cost effective. A great arsenic-free and bismuth-free alternative to lead.
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