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OFHC 102 / C102 / C10200

ASTM B124, ASTM B187, ASTM B152, ASTM B187, ASTM B188, DIN 2.0040, BS 2871 C103, EN CW008A

Farmer’s Copper Ltd. maintains an inventory of C10200 OFHC Copper in a variety of shapes such as: sheet, plate, rod and bus pipe. Melting and pouring copper in the presence of carbon or carbonaceous gases so the oxygen can be absorbed produce C102 copper. The high purity and absence of deoxidizers accounts for its average conductivity of 101% IACS. Oxygen Free High Conductivity Copper (OFHC) 102 is free from hydrogen embrittlement when heated in a reducing atmosphere.

OFHC 102

Typical Applications for OFHC

  • Electrical & Electronic Conductors
  • Superconductor matrixes
  • Vacuum tubes
  • Glass-to-metal seals
  • Power Substations

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.

Available Products

C10200 Fabrication Properties


Joining Technique

Suitability Level






Oxyacetylene Welding


Gas Shielded Arc Welding


Coated Metal Arc Welding

Not Recommended

Spot Weld

Not Recommended

Seam Weld

Not Recommended

Butt Weld


Capacity for Being Cold Worked


Capacity for Being Hot Formed


Forgeability Rating


Machinability Rating


ASTM Standard Designations for C10200 (OFHC) Copper: ASTM B124, ASTM B187, ASTM B152, ASTM B187, ASTM B188

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