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C17200 Beryllium Copper

ASTM B196, AMS 4533, DIN 2.1247, BS 2870 CB101, BS 2871 CB101, BS 2874 CB101, EN CW101C

Specs
Level 4
Produces Maximum Strength and Hardness
Level 3
Excellent Thermal Conductivity
Level 2
Resistance to Stress Relaxation

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

C17200 Beryllium Copper Shapes

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)AlBeCo(2)Si
Min./Max.Rem..201.80-2.00.20 min.20
Nominal98.1-1.90--
(%max., unless shown as range or min.)

Physical Properties

Melting Point – Liquidus ⁰F1800
Melting Point – Solidus ⁰F1590
Density lb/cu in. at 68⁰F0.29
Specific Gravity8.26
Electrical Conductivity % IACS at 68⁰F22(1)
Thermal Conductivity Btu/sq ft/ft hr/ ⁰F at 68⁰F62(2)
Coefficient of Thermal Expansion 10-6 per ⁰F (68-572 ⁰F)9.9
Specific Heat Capacity Btu/lb/⁰F @ 68 ⁰F0.1
Modulus of Elasticity in Tension ksi18500
Modulus of Rigidity ksi7300

Fabrication Properties

TECHNIQUESUITABILTY
SolderingGood
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldFair
Butt WeldFair
Capacity for Being Cold FormedGood

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.

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