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C90700 is a “GREEN” non-leaded alloy
Tin Bronze
CDA 907
SAE 65 89-11
ASTM B505

Bunting continuous cast bronze bars of C90700 give superior quality and performance. Continuous casting achieves a high density grain structure, free of porosity, resulting in a reduction of tool wear and component rejects.

Solid bars are stocked in 13" increments and 105" lengths, and are available in other lengths and non-standard sizes. Consider bars for use when you need special bearings, bearings for prototypes, or for emergency repairs.

Typical Properties: (Not to be used for specification purposes.)
Copper: 88.00 – 90.00%
Tin: 10.00 – 12.00%
Lead: 0.50% max.
Zinc: 0.50% max.
Physical Properties: Continuous Cast
Tensile Strength PSI: 40,000 min.
Yield Strength PSI: 25,000 min.
Elongation: 10% min.
Brinell Hardness (500 kg load): 100 typical
Machinability Rating: 20
Minimum Operating Temperature: -450°F
Maximum Operating Temperature: 550°F

C90700 is used for bearings and gears where higher strength and load-carrying ability is required. C90700 has good wear resistance but should be used with hardened steel shafts (300-400 HB). Due to the lack of lead, this material requires constant lubrication, generally grease.
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Item #

Stock
Item?

Nominal Size I.D.

Nom
Size O.D.

O.D. Min

O.D. Max

B907S000008 N/A Yes N/A SOLID N/A 1 in N/A 1.0310 in N/A 1.0410 in
B907S000012 N/A No N/A SOLID N/A 1 1/2 in N/A 1.5310 in N/A 1.5410 in
B907S000016 N/A Yes N/A SOLID N/A 2 in N/A 2.0340 in N/A 2.0440 in
B907S000020 N/A No N/A SOLID N/A 2 1/2 in N/A 2.5340 in N/A 2.5440 in
B907S000024 N/A Yes N/A SOLID N/A 3 in N/A 3.0340 in N/A 3.0440 in
B907S000028 N/A No N/A SOLID N/A 3 1/2 in N/A 3.5340 in N/A 3.5440 in
B907S000032 N/A Yes N/A SOLID N/A 4 in N/A 4.0550 in N/A 4.0710 in
B907S000036 N/A No N/A SOLID N/A 4 1/2 in N/A 4.5550 in N/A 4.5710 in
B907S000040 N/A Yes N/A SOLID N/A 5 in N/A 5.0550 in N/A 5.0710 in
B907S000048 N/A Yes N/A SOLID N/A 6 in N/A 6.0780 in N/A 6.1100 in
B907S000064 N/A Yes N/A SOLID N/A 8 in N/A 8.0780 in N/A 8.1100 in
B907S000080 N/A Yes N/A SOLID N/A 10 in N/A 10.0780 in N/A 10.1340 in
1 - 12 of 12 | Results Per Page | View | Unit of Measure
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