C17200 Beryllium Copper
ASTM B196, AMS 4533, DIN 2.1247, BS 2870 CB101, BS 2871 CB101, BS 2874 CB101, EN CW101C
Farmer’s Copper Ltd. inventories C17200 Beryllium Copper. The principle characteristics of alloy 172 are an excellent response to precipitation-hardening treatments, excellent thermal conductivity, and resistance to stress relaxation. The high strength beryllium coppers C172 can be purchased in the solution annealed or cold worked tempers and can be easily formed or machined. A low-temperature heat treatment (600 degrees for 2-3 hours) produces maximum strength and hardness. C17200, also commonly known as Alloy 25, is available in round rod, bar, tube, and strip.
Farmers Copper has the following specs for C172 beryllium copper in stock:
- ASTM B196
- AMS 4533
- DIN 2.1247
- BS 2870 CB101
- BS 2871 CB101
- BS 2874 CB101
- EN CW101C
Contact one of our knowledgeable salespersons today to find our how we can help meet your Beryllium Copper needs.
C17200 Beryllium Copper Applications
- Electrical
- Fasteners
- Industrial
- Connectors, contacts
- Bushings/bearings for aerospace industry
- Oilfield drilling collars and instrument housing
- Springs
- Rugged resistance welding gun structural components
- Plastic injection molding and metal diecastings
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Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.
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Our C17200 Beryllium Copper Inventory & Properties
Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.
Chemical Properties
| Cu(1) | Al | Be | Co(2) | Si | |
| Min./Max. | Rem. | .20 | 1.80-2.00 | .20 min | .20 |
| Nominal | 98.1 | - | 1.90 | - | - |
Physical Properties
| Melting Point – Liquidus ⁰F | 1800 | |
| Melting Point – Solidus ⁰F | 1590 | |
| Density lb/cu in. at 68⁰F | 0.29 | |
| Specific Gravity | 8.26 | |
| Electrical Conductivity % IACS at 68⁰F | 22(1) | |
| Thermal Conductivity Btu/sq ft/ft hr/ ⁰F at 68⁰F | 62(2) | |
| Coefficient of Thermal Expansion 10-6 per ⁰F (68-572 ⁰F) | 9.9 | |
| Specific Heat Capacity Btu/lb/⁰F @ 68 ⁰F | 0.1 | |
| Modulus of Elasticity in Tension ksi | 18500 | |
| Modulus of Rigidity ksi | 7300 |
Fabrication Properties
| TECHNIQUE | SUITABILTY |
| 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 Formed | Good |
Mechanical Properties
| FORM | TEMPER | TENSILE STRENGTH | YS-0.5% EXT (KSI) | ELONGATIO N (%) | ROCKWELL (B) | ROCKWELL (C) | ROCKWELL (30T) | TORSION MODULUS (KSI) | FATIGUE STRENGTH | SECTION SIZE (IN) |
| PLATE | TH02 | 195 | 175 | 3 | 41 | 44 | 0.188 | |||
| TH01 | 185 | 165 | 4 | 40 | 40 | 0.188 | ||||
| TH04 | 200 | 180 | 2 | 42 | 45 | 0.188 | ||||
| TM02 | 128 | 105 | 15 | 27 | 0.188 | |||||
| TM00 | 105 | 82 | 20 | 27 | 0.188 | |||||
| TM01 | 115 | 92 | 17 | 23 | 0.188 | |||||
| TM04 | 142 | 122 | 12 | 32 | 0.188 | |||||
| TM05 | 150 | 125 | 9 | 31 | ||||||
| TM08 | 182 | 160 | 6 | 0.188 | ||||||
| TM06 | 168 | 148 | 7 | 37 | 0.188 | |||||
| TF00 | 175 | 155 | 6 | 38 | 36 | 0.188 | ||||
| TB00 | 70 | 32 | 45 | 60 | 58 | |||||
| TD02 | 92 | 82 | 15 | 92 | 77 | 0.188 | ||||
| TD01 | 80 | 70 | 25 | 80 | 70 | 0.188 | ||||
| TD04 | 110 | 104 | 5 | 99 | 81 | 0.188 | ||||
| TH04 | 205 | 160 | 2 | 42 | 0.375 | |||||
| TH04 | 200 | 155 | 2 | 41 | 0.375 | |||||
| ROUND BAR ROD | TH04 | 195 | 145 | 4 | 41 | 7.3 | 3 | |||
| TF00 | 182 | 130 | 3 | 39 | 55 | 3 | ||||
| TF00 | 182 | 145 | 4 | 39 | ||||||
| TB00 | 72 | 20 | 20 | 65 | ||||||
| TD04 | 110 | 75 | 8 | 95 | 0.375 | |||||
| TD04 | 103 | 75 | 8 | 94 | 3 | |||||
| TD04 | 108 | 75 | 8 | 95 | 1 |
Our Commitment to Service
As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.