Key features:

Good machinability, high strength and good corrosion resistance. Suitable for heavy-duty gears and bearings with medium to high loads.

Full alloy description:

A.W. Fraser Alloy 907 is a phosphor bronze conforming to the requirements of ASTM B505 - C90700.

Alloy 907 has good machining properties, high strength and good corrosion resistance to seawater and brine, making it suitable for pump and valve components.

Alloy 907 is suitable for bearings having medium to high loads and speeds and good resistance to impact loading or pounding.

Alloy 907 bearings must have adequate lubrication and good alignment.

Alloy 907 is suitable for heavy duty gears and worm wheels with high working loads and high speeds and adequate lubrication and alignment.

The composition of A.W. Fraser alloy 907 is strictly controlled as are the casting conditions.

Alloy 907 products are manufactured using the latest continuous and centrifugal casting technology.
Machinability Rating: 30
SAE Grade: 65

Comparable specifications:

BS1400-PB1; AS1565 90710; ASTM B505, B271 - C90 700; SAE 65; JIS H5121 - CAC502C (PBC2C)*; DIN 1705 - G-CuSn10; ISO 1338 - CuSn10P

Download tech sheet:

For a full alloy summary, including Chemical Composition and Mechanical Properties, please download our tech sheet in PDF format below...


  • C90700 / C90710
  • PB1* / CuSn10P
  • CC481K / CuSn10-P
  • 2.1050 / CuSn10
  • CAC502C (PBC2C)
  • U-Z 10 90/10
  • C90710*
* = similar specification


The alloy information provided on this page is indicative and must not be taken as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with product specification.

The information contained on this page is based on our present knowledge and is given in good faith as a precursor to discussing your specific requirements with us.

No liability will be accepted by AW Fraser in respect of any action taken by any third party in relying on the data on this page.
Enquire about Alloy 907
AW Fraser has the capability to modify alloys for improved performance.

To discuss your specific requirements, please contact our technical team on the telephone number below, or e-mail us via the enquiry form:
  • +64 3 341 0027
Alloy enquiry form
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Reasons to choose AW Fraser:

  • AW Fraser exports to all corners of the globe, maintaining a competitive edge in the global marketplace through a commitment to quality engineering and manufacturing.
  • AW Fraser maintains its own laboratory with the latest equipment and can supply reports for all production on request. Read more
  • AW Fraser is accredited to ISO 9001 and ISO 14001, delivering independently accredited quality. Read more
  • AW Fraser has received multiple Supplier Awards from a Fortune 500 company for machined components.

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