Material database

C11000

Copper. Values below are the requirements of the standard named beside them; the mill certificate governs the material delivered.

Designations

UNS
C11000
EN number
CW004A
EN name
Cu-ETP

Density

Density
8940 kg/m³
Per
Copper Development Association
Corrosion resistance
Excellent
Product forms
Sheet, plate, bar

Chemical composition

Chemical composition — mass %
StandardProduct formBasisOther rules
ASTM/CDA referenceCopperSpecificationCu including Ag >=99.90; O typically 0.02-0.04

mass %. A blank cell means the standard sets no requirement for that element, not zero. Single values are limits: "≤" a maximum, "≥" a minimum.

Reference values from the cited standards. They describe what the standard requires, not a specific heat of material; the mill test certificate governs what is delivered.

Mechanical properties

Mechanical properties
StandardProduct formCondition / temperTest temperatureTensileElongation minNotes
ASTM/CDA referenceSheet/StripAnnealed / soft20 °C220–275 MPa30 % (Temper and thickness dependent)Copper properties are strongly temper-dependent.

Each row is one standard, one product form and one condition — the values do not transfer across rows. A blank cell means the standard sets no requirement.

Reference values from the cited standards. They describe what the standard requires, not a specific heat of material; the mill test certificate governs what is delivered.

Physical properties

Physical properties
TemperatureDensityYoung’s modulusPoisson’s ratioThermal expansion (20–100°C)Thermal conductivity (20°C)Specific heatElectrical resistivity (20°C)Melting rangeMagnetic
20 °C8940 kg/m³117 GPa0.3416.9 µm/m·°C391 W/m·K0.385 kJ/kg·°C0.0172 µΩ·m1083–1083 °CNon-magnetic

Reference values from the cited standards. They describe what the standard requires, not a specific heat of material; the mill test certificate governs what is delivered.

Typical applications

Electrical, roofing, general copperwork

Common questions

01What is the density of C11000?
8940 kg/m³ — the figure the weight calculators on this site use for C11000. The value is Copper Development Association’s.
02What are the mechanical properties of C11000?
Tensile 220–275 MPa, Elongation min ≥ 30 % — ASTM/CDA reference, Sheet/Strip, Annealed / soft. Those are the standard’s requirements; the mill test certificate governs the metal delivered.
03What is C11000 used for?
Electrical, roofing, general copperwork