Material Highlight: ASTM-B194 Alloy C17200

This material is a copper base alloy with both high strength and high conductivity attributes. It provides excellent performance for shielding strips, contacts and connectors.

Chemical Composition (Weight Percent)

  • Beryllium - 1.8-2.0%
  • Aluminum - 0.20 max
  • Silicon - 0.20 max
  • Cobalt + Nickel - 0.20 max
  • Cobalt + Nickel + Iron - 0.6 max
  • Copper - Balance

Physical Properties

  • Electrical Conductivity @ 68°F (20°C) - 15-19% IACS
  • Modulus of Elasticity - 19 x 106 psi (131 GPa)
  • Density - 0.302 lb./in3 (8.35 gm./cc)

Benefits

  • Combines high strength and formability
  • High conductivity
  • Available in mill hardened or age hardenable tempers
  • Excellent corrosion resistance bare and easy to plate when required
  • Low initial cost and additional savings during processing
  • Non-Magnetic
  • Wide range of operating temperatures
  • Spark-Resistant
TEMPER DESIGNATION0.2% YS ksi (MPa)UTS Ksi (MPa)Elongation (%)Hardness (VHN)
TD0160-80 (410-550)75-88 (520-610)20-45121-185
TD0275-95 (520-660)85-100 (590-690)12-30176-216
TS01150-185 (1030-1280)175-205 (1210-1410)3-10353-424
TS02160-195 (1100-1340)185-215 (1280-1480)1-8285-343
TM04115-135 (790-930)135-150 (930-1040)9-20285-343
TM06145-170 (1000-1170)160-175 (1100-1210)4-15317-378