GNEE provides the form
The following specifications cover Copper Alloys C10100
AMS 4700
ASTM B1
ASTM B111
ASTM B133
ASTM B152
ASTM B172
ASTM B173
ASTM B174
ASTM B187
ASTM B188
ASTM B189
ASTM B2
ASTM B224
ASTM B246
ASTM B272
ASTM B280
ASTM B286
ASTM B298
ASTM B3
ASTM B33
ASTM B355
ASTM B359
ASTM B432
ASTM B447
ASTM B451
ASTM B470
ASTM B48
ASTM B49
ASTM B496
ASTM B640
ASTM B641
ASTM B698
ASTM B75
ASTM F68
MIL B-18907
MIL W-3318
MIL W-85
QQ B575
QQ B650
QQ W343
UNS C10100
Chemistry Data
|
Copper |
99.99 min |
|
Phosphorus |
0.0003 max |
|
Remainder Total |
0.004 max |
|
Tellurium |
0.001 max |










| Principal Design Features | ![]() |
Copper, OFE, Oxygen Free Electronic. C10100 has conductivity 101% IACS, the highest among coppers. |
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| Applications | ![]() |
Used for electrical and electronic conductors, wave guides, cavity resonators, superconductor matrixes, vacuum tube and solid-state devices, and glass-to-metal seals. |
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| Machinability | ![]() |
The machinability rating of this alloy is 20. (Where Alloy 360 FC Brass is 100). |
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| Welding | ![]() |
Soldering is rated as "excellent", brazing is rated as "excellent", oxyacetylene welding is rated as "fair", gas shielded arc welding is rated as "good", coated metal arc welding is "not recommended", spot welding is "not recommended", seam welding is "not recommended" and butt welding is rated as "fair" |
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| Forging | ![]() |
The hot forgeability rating of this alloy is 65. (Forging brass = 100). The recommended hot working temperature for this alloy is between 1400 and 1600 F. |
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| Hot Working | ![]() |
This alloy's capacity for being hot formed is rated as "excellent". |
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| Cold Working | ![]() |
The capacity for cold working this alloy is rated as "excellent". |
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| Annealing | ![]() |
The annealing temperature for this alloy is between 700 and 1200 F. |
Physical Data
| Density (lb / cu. in.) | 0.323 |
| Electrical Resistivity (microhm-cm (at 68 Deg F)) | 10.3 |
| Melting Point (Deg F) | 1981 |
| Thermal Conductivity | 226 |
| Mean Coeff Thermal Expansion | 9.4 |
| Modulus of Elasticity Tension | 17000 |
GNEE's copper products include
| Product Category | Standard | Typical Alloy | Common Forms / Types | Size Range (Thickness/Diameter) | Size Range (Width) | Size Range (Length) | Temper / Hardness |
|---|---|---|---|---|---|---|---|
| Copper Tube/Pipe | ASTM B75, B88, B280 EN 1057 |
C10200 (OFE) C12200 (DHP) |
Seamless ACR (Air Conditioning & Refrigeration) Medical Gas Capillary Tube |
0.5 mm - 6.0 mm (Wall Thickness) 3 mm - 300 mm (Outer Diameter) |
- | Straight Lengths: 1m - 6m Coils: 15m - 50m |
Annealed (Soft) Half-Hard Hard Drawn |
| Copper Sheet & Plate | ASTM B152, B465 EN 1652 |
C11000 (ETP) C10200 (OFHC) C19400 |
Sheet (≤6mm) Plate (>6mm) Shim Stock |
0.2 mm - 50 mm (Sheet: 0.2mm - 6mm) (Plate: 6mm - 50mm) |
100 mm - 1500 mm | 500 mm - 3000 mm or Coils |
Soft (Annealed) Quarter-Hard Half-Hard Hard Spring |
| Copper Bar & Rod | ASTM B133, B187 B301, B441 |
C11000 (ETP) C36000 (Free-Cutting) C14500 (Tellurium) |
Square Bar Flat Bar Hexagonal Bar Round Rod (Coiled) |
3 mm - 200 mm (Diameter/Thickness) |
6 mm - 200 mm (For Flat Bar) |
Straight: 1m - 4m Coils: (upon request) |
Soft (Annealed) Half-Hard Hard As Extruded |
| Copper Wire | ASTM B1, B2, B3 B174, B189 |
C11000 (ETP) C10100 (OFHC) C14420 (CuAg) |
Bare Wire Tinned Wire Bunched/Stranded Wire Profile Wire |
0.05 mm - 12 mm (AWG 44 - AWG 3) |
- | Coils: 5kg - 500kg Spools, Drums |
Annealed (Soft) Hard Drawn Spring Temper |
| Copper Foil | ASTM B370, B101 IPC-4562 |
C11000 (ETP) C10200 (OFHC) |
Rolled Foil Electrodeposited (ED) Foil |
0.005 mm - 0.2 mm (5µm - 200µm) |
50 mm - 1300 mm | Coils: 100m - 3000m | As Rolled (Hard) Annealed (Soft) Double Annealed |





