Electrolytic Tough Pitch Copper (UNS C11000)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Fabrication and Heat Treatment
     Machinability
     Welding
     Forging
     Hot Working
     Cold Working
     Annealing
Applications

Introduction

UNS C11000 electrolytic tough pitch copper is ductile, has excellence resistance to corrosion, and has a conductivity of 101% IACS. The following datasheet will discuss in detail about UNS C11000 electrolytic tough pitch copper.

Chemical Composition

The following table shows the chemical composition of UNS C11000 copper.

Element Content (%)
Cu 99.90

Physical Properties

The physical properties of UNS C11000 copper are given in the following table.

Properties Metric Imperial
Density
8.89 g/cm3 0.322 lb/in3
Melting point 1065 - 1083°C 1949°F

Mechanical Properties

The mechanical properties of UNS C11000 copper are tabulated below.

Properties Metric Imperial
Hardness, Rockwell F (hard temper) 80.0 80.0
Poisson's ratio 0.34 0.34
Elastic modulus 115 - 117 GPa 16969 ksi

Other Designations

The designations that are equivalent to the UNS C11000 copper are outlined in the following table.

ASME SB133 ASTM B173 ASTM B228 ASTM B33 ASTM B49 ASTM F467
ASTM B1 ASTM B174 ASTM B229 ASTM B355 ASTM B496 ASTM F468
ASTM B101 ASTM B187 ASTM B246 ASTM B370 ASTM B506 MIL B-20292
ASTM B116 ASTM B188 ASTM B272 ASTM B447 ASTM B556 MIL C-12168
ASTM B124 ASTM B189 ASTM B283 ASTM B451 ASTM B638 MIL W-6712
ASTM B133 ASTM B2 ASTM B286 ASTM B47 ASTM B694 QQ B575
ASTM B152 ASTM B224 ASTM B298 ASTM B470 ASTM B738 SAE J461
ASTM B172 ASTM B226 ASTM B3 ASTM B48 ASTM B8 SAE J463






Fabrication and Heat Treatment

Machinability

The machinability rate of C11000 copper is 20%.

Welding

Welding techniques such as soldering, brazing, gas shielded arc welding, oxyacetylene welding and butt welding are recommended for C11000 copper. Other welding techniques such as coated metal arc welding, spot welding and seam welding are not preferred.

Forging

C11000 copper is forged at hot working temperatures ranging from 760 to 871°C (1400 to 1600°F). The hot forgeability rate of this metal is 65%.

Hot Working

C11000 copper has excellent hot working property.

Cold Working

C11000 copper has excellent cold working property.

Annealing

Annealing of C11000 copper is performed at temperatures ranging from 371 to 649°C (700 to 1200°F).

Applications

UNS C11000 copper is best suited for plumbing fittings and other electrical components that do not require prolonged machining performance.

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