Phosphor Bronze 544 / C544 / C54400

ASTM B139, QQ_B-750 Comp. B

Farmer’s Copper Ltd. maintains an extensive inventory of Phosphor Bronze C54400 round rod. C54400 provides an excellent bearing surface that limits friction and resists wear. Its use as an electrical conductor is limited to applications where high strength is required and relatively low conductivities can be tolerated. Copper Alloy 544 is a primary applicant where strength and bearing properties are required, and, in addition, offers the corrosion resistant characteristic of the high tin phosphor bronzes.

Typical Applications

  • Chemical hardware
  • Bushings
  • Gears

Farmer’s Copper Ltd. can offer material cut to your specifications on our bar saws. Please contact one of our knowledgeable sales staff today to help you with your phosphor bronze needs!

Available Shapes

List of standard sizes

C54400 – ½” Dia. thru 6”

Fabrication Properties

Joining Technique

Suitability

Soldering

Excellent

Brazing

Good

Oxyacetylene Welding

Not Recommended

Gas Shielded Arc Welding

Not Recommended

Coated Metal Arc Welding

Not Recommended

Spot Weld

Not Recommended

Seam Weld

Not Recommended

Butt Weld

Fair

Capacity for Being Cold Worked

Good

Machinability Rating

80

ASTM Standard Designation for C54400: ASTM B139

Phosphor Bronze Alloy B-2

Chemical Composition
(%max., unless shown as range or min.)

 

Cu

Fe

Pb

P

Sn

Zn

Min./Max.

Rem.

.10

3.0-4.0

.01-.50

3.5-4.5

1.5-4.5

Nominal

88.0

-

3.8

.25

4.0

3.0

Contact one of our sales representatives today
to inquire about a quote from Farmers Copper
or call us today at (800) 231-9450