Ohmalloy Material Co.,Ltd
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0.5" inch beryllium copper round bar C17200 Hard Drawn
Product Description
Alloy 25 is a high performance copper beryllium alloy used in applications requiring strength, fatigue resistance, non magnetic properties, conductivity, and corrosion resistance. Alloy 25, supplied with certified mechanical properties, is fully heat treated and no additional treatment is required. Alloy 25 magnetic properties are unaffected by machining and surface abrasion.
| Mechanical Properties | ||
| Alloy 25 AT | Alloy 25 HT | |
| UTS, MPa | 1130-1380 | 1200-1520 |
| 0.2% PS, MPa | 890-1210 | 1030-1380 |
| Elongation, % in 4D | 3-10 | 2-9 |
| Hardness, HRC | 36-41 | 37-45 |
| Fatigue strength at 10⁸ , MPa | 340-450 | 340-450 |
| Elastic modulus, GPa | 131 | 131 |
| Thermal conductivity, W/m ºC | 105 | 105 |
| Thermal expansion, ppm/ºC | 17 | 17 |
| Magnetic permeability | <1.001 | <1.001 |
| Density, g/cm³ | 8.36 | 8.36 |
| Chemical Composition | Standard | ||||||
| Be | Co+Ni | Cu | Pb | Si | Fe | Al | |
| 1.8-2.0 | ≥0.2 | Bal | - | 0.15 | 0.15 | 0.15 | ASTM |
| Phisical Property of C17200 | ||||||
| Status | Tensile Strength/MPa | Yield Strength/MPa | Elongation/% | Hardness/B/C | Hardness/HV | Electrical Conductivity/%IACS |
| A(TB00) | 420-550 | 210-390 | 30-60 | B45-78 | ≤140 | 15-19 |
| 1/4H(TD01) | 520-620 | 420-570 | 20-45 | B68-90 | 120-220 | 15-19 |
| 1/2H(TD02) | 590-710 | 520-670 | 12-30 | B88-96 | 140-240 | 15-19 |
| H(TD04) | 700-850 | 630-810 | 2-18 | B96-102 | ≥170 | 15-19 |
| AT(TF00) | 1160-1380 | 980-1240 | 3-15 | C36-42 | ≥320 | 22-28 |
| 1/4HT(TH01) | 1230-1450 | 1050-1310 | 3-10 | C36-43 | 320-420 | 22-28 |
| 1/2HT(TH02) | 1300-1520 | 1120-1380 | 1-8 | C38-44 | 340-440 | 22-28 |
| HT(TH04) | 1330-1550 | 1160-1450 | 1-6 | C38-45 | ≥360 | 22-28 |
Typical Users for C17200 Beryllium Copper:
| Electrical | Fasteners | Industrial | Ordinance | Other |
| Electrical Switch /Relay Blades Fuse Clips Switch Parts Relay Parts Connectors Spring Connectors Current Carrying Contact Bridges Belleville Washers Navigational Instruments Clips | Washers Fasteners Lock Washers Retaining Rings Roll Pins Screws Bolts | Pumps Springs Electrochemical Shafts Non Sparking Safety Tools Fexible Metal Hose Housing for Instruments Bearings Bushings Valve Seats Valve Stems Diaphragms Springs Welding Equipment Rolling Mill Parts Spline Shafts Pump Parts Valves Bourdon Tubes Wear Plates on Heavy Equipment Bellows | Firing Pins
| Tools |
