Model NO.: C17200 C18020
Standard: ASTM
Trademark: STD
Specification: CE SGS
Origin: Tianjin China
HS Code: 7411101990
High Copper Alloy  C17200 Beryllium Copper ( Round Bar Wire Plate )UNS C17200 beryllium copper alloys are ductile and produced in mill hardened and heat treatable tempers. These alloys are used for all applications, which require high strength, stiffness and good conductivity. The tensile strength of C17200 copper is over 1380 MPa (200 ksi).
Designations that are equivalent to UNS C17200 copper include:· AMS 4651
· AMS 4725
· ASTM B194
· ASTM B196
· ASTM B197
· ASTM B570
· MIL C-21657
· SAE J461
· SAE J463
Chemical Composition
The following table shows the chemical composition of UNS C17200 copper.| Element | Content (%) |
| Cu | 97.9 |
| Be | 1.9 |
| Co | 0.20 |
Mechanical Properties
The mechanical properties of UNS C17200 copper are tabulated below.| Properties | Metric | Imperial |
| Hardness, Rockwell B | 80.0 - 85.0 | 80.0 - 85.0 |
| Tensile strength, ultimate | 515 - 585 MPa | 74700 - 84800 psi |
| Tensile strength, yield | 275 - 345 MPa | 39900 - 50000 psi |
| Elongation at break | 15.0 - 30.0% | 15.0 - 30.0% |
| Modulus of elasticity | 125 - 130 GPa | 18100 - 18900 ksi |
| Poissons ratio | 0.300 | 0.300 |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 50.0 GPa | 7250 ksi |
Applications
The following are the major applications of the UNS C17200 copper:· Electrical/electronic connectors
· Current-carrying springs
· Precision screw machined parts
· Welding electrodes
· Bearings
· Plastic molds
Corrosion resistant components
Shapes Available :
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