Gnee Steel (Tianjin) Co., Ltd.

Electrolytic Tough Pitch Copper (UNS C11000) for plumbing

Nov 27, 2025

C11000 CU ETP PIPE PDF

 

What is a C11000 copper pipe?

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

Element Content (%)
Cu 99.90

 

Physical Properties

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

 

pressed and drawn seamless pipeSeamless round pure copper tube

Mechanical Properties

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

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.

 

why choose us
 
Thin wall copper ERW Pipe

why choose our products

 

We are a leading manufacturer and exporter specializing in a comprehensive range of high-quality copper products, including copper tubes, copper plates/sheets, copper bars, copper rods, copper wires, and copper strips. Our advanced manufacturing facilities are equipped with state-of-the-art continuous casting lines, extrusion presses, cold rolling mills, and drawing machines to ensure precision and consistency. Rigorous quality control is integral to our process, conducted through spectrometers for material verification, tensile testers, eddy current testers, and hydrostatic pressure testers, guaranteeing that all our products meet international standards for performance and durability.

E-mail: sales@gneesteel.com

 

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