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您的位置:首页 > 产品展示 > 铜合金 > TCr1,C18200,CuCr1铬铜合金板棒化学成分力学性能物理性能
TCr1,C18200,CuCr1铬铜合金板棒化学成分力学性能物理性能 TCr1,C18200,CuCr1铬铜合金板棒化学成分力学性能物理性能 TCr1,C18200,CuCr1铬铜合金板棒化学成分力学性能物理性能

TCr1,C18200,CuCr1铬铜合金板棒化学成分力学性能物理性能

铬铜合金TCr1\C18200、TCr1-0.18 、TCr0.3-0.3\C18135 、TCr0.5-0.1、TCr0.7 、TCr0.8 、TCr1-0.15\C18150、TCr4.5-2.5-0.6

Copper Alloy No. C18200

Chromium Copper , RWMA Class 2 Chrome Copper

Chemical Composition % by weight

Copper (incl. silver) Iron Chromium Silicon Lead
99.1 Nominal .10 Maximum .60 Minimum .10 Maximum .05 Maximum

 

Applications

Resistance welding machine electrodes, seam welding wheels, electrical switch gear, electrode holder jaws, cable connectors, current carrying arms and shafts, circuit breaker parts, arcing and bridging parts,  grid side rods in electron tubes, molds, spot welding tips, flash welding electrodes, electrical and thermal conductors requiring greater strength than copper, switch contacts.

Mechanical Properties

Typical  for .500" rod solution heat treated and aged (500C-3 hrs.)

Hardness* Rockwell B Scales 70
Tensile Strength** KSI 70
Yield Strength** KSI 55
Elongation** % in 2 inch 21

*Hardness conversions are approximate

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 187
Specific Heat BTU/lb/篎 @ 68F .090
Thermal Expansion Per 癋 from 68 F to 212 F .0000098
Density lb/cu in @ 68 F .321
Electrical Conductivity* (Annealed) % IACS @ 68 F 80
Modulus of Elasticity KSI 17,000

**Volume basis

Fabrication Properties

Capacity for being cold worked Excellent
Capacity for being hot formed Good
Hot forgeability rating (forging brass=100) 80
Hot working temperature 1500-1700 F or 800-925 C
Machinability rating (Free Cutting Brass=100) 20
Suitability for being joined by: Soldering/Good
Brazing/Good
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Good
Coated Metal Arc Welding/Not Recommended
Resistance Welding Spot/Not Recommended
Seam/Not Recommended
Butt/Fair

The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.