Farmer’s Copper Ltd. maintains an extensive inventory of C12200 DHP copper in sheet, plate, pipe, tube, and fittings. C122 is commercially pure copper, which has been deoxidized with phosphorus, leaving relatively high residual phosphorus content. Copper alloy 122 is not susceptible to hydrogen embrittlement but is relatively low electrical conductivity due to the amount

ASTM Standards for DHP Copper

ASTM B42, ASTM B68, ASTM B75, ASTM B88, ASTM B111, ASTM B152, ASTM B280, DIN 2.0090, BS 2870/1/5 C106, BS 2871 C106, BS 2875 C106, ENCW024A

DHP Copper

applications

Farmer’s Copper Ltd. can offer material cut to your specifications on our bar saws, shears, precision plate saws, and water jets. Contact one of our experts today to find out how we can help meet your copper needs.

Fabrication Properties

Joining Technique

Suitability

Soldering

Excellent

Brazing

Excellent

Oxyacetylene Welding

Good

Gas Shielded Arc Welding

Excellent

Coated Metal Arc Welding

Not Recommended

Spot Weld

Not Recommended

Seam Weld

Not Recommended

Butt Weld

Good

Capacity for Being Cold Worked

Excellent

Capacity for Being Hot Formed

Excellent

Forgeability Rating

65

Machinability Rating

20

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

 

Cu

P

Min./Max.

99.9 min

.015-.040

Nominal

-

.02

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