High Quality Beryllium Tube for Steering Systems
Basic Info.
Model NO.
C17200/C17300/C17510
Material
Red Copper
Shape
Round
Alloy
Alloy
Color
Golden
Standard
ASTM
Formability
Deep Drawn Severely Cupped of Formed Parts
Temper
Th04/Td04/Td01/Td02/Td03/Td04/Tb00/TF00
Hardness
38-44HRC
Welding Equipment
Gun Arm/ Tip Holder
Transport Package
Standard Packing
Specification
ALL FORMS ARE AVAILABLE
Trademark
RBTC, ODM, OEM
Origin
China
HS Code
7407290000
Production Capacity
600tons
Product Description
Product Description Specification| Leaded Beryllium Copper (C17300) |
| Chemical composition(%) |
| Be | 1.8-2.1 |
| Co | 0.2(min) |
| Pb | 0.2-0.6 |
| Si | 0.2(max) |
| Al | 0.2(max) |
| Cu | Balance |
| Oilfield tools |
| Aerospace land gears |
| Robotic welding |
| Spot weld |
| Mold making application |
| Electrical shafts |
| Nonsparking safety tools |
| Welding equipment, Flexible metal hose |
| Technique | Suitability |
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene welding | Not recommended |
| Gas shielded Arc welding | Good |
| Coated metal Arc welding | Good |
| Spot weld | Good |
| Seam weld | Fair |
| Butt weld | Fair |
| Capacity for being cold-worked | Good |
| Capacity for being hot-formed | Excellent |
| Foreseeability rating | 40 |
| Machinability rating | 20 |
| Blanking, Drawing, Drilling, Forming and Bending, Tapping, Turning |
Material introduction
| Beryllium Copper or Copper Beryllium (CuBe2) introduction |
| Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze, and spring copper, is a copper alloy with 0.5-3% beryllium and sometimes with other alloying elements. Beryllium copper combines high strength with non-magnetic and non-sparking qualities. It has excellent metalworking, forming, and machining qualities. It has many specialized applications in tools for hazardous environments, musical instruments, precision measurement devices, bullets, and aerospace. Beryllium-containing alloys create an inhalation hazard during manufacturing due to their toxic properties. PROPERTIES : Beryllium copper is a ductile, weldable, and machinable alloy. It is resistant to non-oxidizing acids (for example, hydrochloric acid, or carbonic acid), to plastic decomposition products, to abrasive wear, and to galling. Furthermore, it can be heat-treated to improve its strength, durability, and electrical conductivity. Beryllium copper attains the highest strength (to 1,400 MPa (200,000 psi)) of any copper-based alloy ALLOYS: Alloy 25 beryllium copper (C17200 & C17300) is an age-hardening alloy that attains the highest strength of any copper base alloy. It may be age-hardened after forming into springs, intricate forms, or complex shapes. It has superb spring properties, corrosion resistance and stability as well as good conductivity and low creep. Tempered beryllium copper is Alloy 25 (C17200 & C17300) which has been age-hardened and cold-drawn. No further heat treatment is necessary except for a possible light stress relief. It is sufficiently ductile to wind on its own diameter and can be formed into springs and most shapes. Tempered wire is most useful where the properties of beryllium copper are desired, but age hardening of finished parts is not practical. Alloys 3 (C17510) and 10 (C17500) beryllium copper are age-hardenable and provide excellent electrical conductivity in combination with good physical properties and endurance strength. Provided in either the age-hardenable condition or as tempered ware, they are used in springs and wire forms which are electrical conductors, or where retention of properties at elevated temperatures is important. High-strength beryllium copper alloys contain up to 2.7% of beryllium (cast), or 1.6-2% of beryllium with about 0.3% cobalt (wrought). The high mechanical strength is achieved by precipitation hardening or age hardening. The thermal conductivity of these alloys lies between steel and aluminum. The cast alloys are frequently used as material for injection molds. The wrought alloys are designated by UNS as C17200 to C17400, the cast alloys are C82000 to C82800. The hardening process requires rapid cooling of the annealed metal, resulting in a solid-state solution of beryllium in copper, which is then kept at 200-460 °C for at least an hour, facilitating precipitation of metastable beryllide crystals in the copper matrix. Averaging is avoided, as an equilibrium phase forms that depletes the beryllide crystals and reduces the strength enhancement. The beryllides are similar in both cast and wrought alloys. High conductivity beryllium copper alloys contain up to 0.7% beryllium, together with some nickel and cobalt. Their thermal conductivity is better than of aluminium, only a bit less than pure copper. They are usually used as electric contacts in connectors. |
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