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SENFA® > Continuous Cast Solid Bars > C90300 (SAE 620) Bronze Bars > View Items  
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C90300 (SAE 620) Bronze Bars

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C90300 is a “GREEN” non-leaded alloy
Tin Bronze – Navy G QQC-390B Type II and Type III
CDA 903 SAE 620 88-8-0-4 ASTM B505

Bunting continuous cast bronze bars of C90300 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 13" increments and 105" lengths, and are available in other lengths and nonstandard 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: 86.00 – 89.00%
Tin: 7.50 – 9.00%
Lead: 0.30% max.
Zinc: 3.00 – 5.00%

Physical Properties: Continuous Cast
Tensile Strength PSI: 44,000 min
Yield Strength PSI: 22,000 min.
Elongation: 18% min.
Brinell Hardness (500 kg load): 70 typical
Machinability Rating: 30
Minimum Operating Temperature: -450°F
Maximum Operating Temperature: 550°F

C90300 is used for bearings, seal rings, gears, piston rings, pump impellers, steam fittings, and valve components. C90300 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.

WARNING: This product can expose you to chemicals including nickel & lead, which is known to the state of California to cause cancer and lead, which is known to the state of California to cause birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.




   
  Results 1 - 12 of 12 1 

Item #

Stock
Item?

Nominal Size I.D.

Nom
Size O.D.

O.D. Min

O.D. Max

B903S000008 Yes SOLID 1 in 1.0310 in 1.0410 in
B903S000012 No SOLID 1 1/2 in 1.5310 in 1.5410 in
B903S000016 Yes SOLID 2 in 2.0340 in 2.0440 in
B903S000020 No SOLID 2 1/2 in 2.5340 in 2.5440 in
B903S000024 Yes SOLID 3 in 3.0340 in 3.0440 in
B903S000028 No SOLID 3 1/2 in 3.5340 in 3.5440 in
B903S000032 Yes SOLID 4 in 4.0550 in 4.0710 in
B903S000036 Yes SOLID 4 1/2 in 4.5550 in 4.5710 in
B903S000040 Yes SOLID 5 in 5.0550 in 5.0710 in
B903S000048 Yes SOLID 6 in 6.0780 in 6.1100 in
B903S000064 Yes SOLID 8 in 8.0780 in 8.1100 in
B903S000080 Yes SOLID 10 in 10.0780 in 10.1340 in
  Results 1 - 12 of 12 1 
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