
C17200 XHMB high hardness beryllium copper foil Strip 0.05x20mm
Beryllium copper C17200
Cube2--C17200 (CDA 172) Beryllium Copper is the most commonly
utilized Copper Beryllium alloy and is notable for its highest
strength and hardness compared to commercial copper alloys. C17200
alloy contains appr. 2% of beryllium and achieves its ultimate
tensile strength can exceed 200 ksi, while the hardness approaches
Rockwell C45. Meanwhile, the electrical conductivity is a minimum
of 22% IACS in the fully aged condition.C17200 also exhibits
exceptional resistance to stress relaxation at elevated
temperatures.
Chemical Composition
ASTM | Cu | Ni | Co | Be |
C17200 | Balance | Ni+Co≥0.2,Ni+Co+Fe≤0.6 | 1.80-2.10 | |
C17000 | Balance | Ni+Co≥0.2,Ni+Co+Fe≤0.6 | 1.60-1.85 | |
C17300 | Balance | Ni+Co≥0.2,Ni+Co+Fe≤0.6 | 1.85-2.10 |
ASTM | Cu | Ni | Co | Be |
C17500 | Balance | - | 2.4-2.7 | 0.4-0.7 |
C17510 | Balance | 1.4-2.2 | 0.3 | 0.2-0.6 |
Typical Physical Properties
Density (g/cm3) | 8.36 |
Density before age hardening (g/cm3 | 8.25 |
Elastic Modulus (kg/mm2 (103)) | 13.40 |
Thermal Expansion Coefficient (20 °C to 200 °C m/m/°C) | 17 x 10-6 |
Thermal Conductivity (cal/(cm-s-°C)) | 0.25 |
Melting Range (°C) | 870-980 |
Mechanical property:(before heat treatment)
status | Tensile strength (N/mm2) | Hardness (HV) | Conductivity ( IACS%) | Elongation (%) |
0 | 410-540 | 90-160 | ≥17 | 35-70 |
1/4H | 510-620 | 145-220 | ≥16 | 10-35 |
1/2H | 590-695 | 180-240 | ≥15 | 5-25 |
H | 685-835 | 210-270 | ≥15 | 2-8 |
Mechanical property:(after heat treatment)
status | Tensile strength (N/mm2) | Hardness (HV) | Conductivity (IACS%) | Elongation (%) |
0T | 1100-1380 | 325-400 | ≥22 | 3-11 |
1/4HT | 1180-1400 | 350-430 | ≥22 | 2-8 |
1/2HT | 1240-1440 | 360-440 | ≥22 | 2-7 |
HT | 1270-1480 | 380-450 | ≥22 | 1-5 |
Special Processing
State | Tensile strength (N/mm2) | Hardness (HV) | Conductivity (IACS%) | Elongation (%) |
OM | 685-885 | 220-270 | ≥17 | ≥18 |
1/4HM | 735-930 | 235-285 | ≥17 | ≥10 |
1/2HM | 815-1010 | 260-310 | ≥17 | ≥8 |
HM | 910-1110 | 295-345 | ≥17 | ≥6 |
XHM | 1100-1290 | 340-390 | ≥17 | ≥2 |
XHMS | 1210-1400 | 360-410 | ≥17 | ≥2 |
Features
1. High thermal conductivity
2. High corrosion resistance, especially suitable for
polyoxyethylene (PVC) products mold.
3. High hardness, wear resistance and toughness, as inserts used
with mould steel and aluminium can make the mold play a highly
efficient, prolong the service life.
4. Polishing performance is good, can achieve high mirror surface
precision and complicated shape design.
5. Good tackiness resistance, easy to welding with other metal,
easy to machining, there is no need additional heat treatment.
Applications
Beryllium Copper is widely used in mold core, injection mold
insert, mold cavity, corrosion resistant die, die casting
machine head, watering the crossing thimble, the punch mould parts,
hot runner system such as accessories,
stretching die, casting mould, die-casting mould, and corrosion
resistant wear resistant parts such as bearings,
Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, sheet, tape, strip, rod and plate.
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We own a complete set of advanced production flow of refining, cold reduction, drawing and heat treating etc. We also proudly have independent R&D capacity.
Shanghai Tankii Alloy Material Co., Ltd has accumulated lots of experiences over forty years in this field. During forty years, hundreds of management elites and high science and technology talents were employed.They participated in every walk of the company life, which make our company keep blooming and invincible in the competitive market.
Based on the principle of “first quality, sincere service”, our managing ideology is pursuing technology innovation and creating the top brand in the alloy field. We persist in Quality - the foundation of the survival. It is our forever ideology to serve you with full heart and soul. We committed to provide customers all over the world with high-quality, competitive products and perfect service.
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