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⚙️ Metals

🔶Copper

The first industrial conductor — wiring, heat exchangers, roofs that go green.

Also called: electrolytic copper · Cu-DHP · brass/bronze family parent

Copper — Wikimedia lead image
Native_Copper_Macro_Digon3.jpg : “Jonathan Zander ( Digon3 )" derivative work: Materialscientist ( talk ) · CC BY-SA 3.0
At a glance
Score intensity

Darker cells mean a higher score for this topic on that metric.

Score profile

Each bar is a 0-100 atlas score for this topic, not a timeline.

40557668878
Fire
Heat
Specs
Timeline

Milestones in order. This is history, not a weekly activity grid.

c. 5000 BCE Native copperc. 3500 BCE Bronze agec. 2500 BCE Cyprus mines1660s Falun / Cornish1865 Electrorefining1870s Edison / Siemens wiring1913 IACS1982 US penny zinc2000s Data-centre busbars2020s Cu crunch talk
  1. Native copper
  2. Bronze age
  3. Cyprus mines
  4. Falun / Cornish
  5. Electrorefining
  6. Edison / Siemens wiring
  7. IACS
  8. US penny zinc
  9. Data-centre busbars
  10. Cu crunch talk
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18 min read

Last reviewed Sources & creditsMedia creditsMethodology

heat 55 · fire 76

Fire role or insulation role

Pick the fire-performance reading or the insulation reading already scored on this material. Teaching marks — not a specification.

Atlas scores and on-page facts only. A named product test, thickness and assembly decide any real wall or garment. No lab stamp.

Open compare lab

Quick facts

8.96 g/cm³Density
1085 °CMelting
~400 W/m·KK
100% by definitionIACS
A1 metalFire
metalsFamily

Copper is one of 32 materials in this atlas, grouped under metals: history, structure, measured properties, process routes, uses, safety and market — not a product catalogue.

Scores compare Copper with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.

Seven chapters follow. Fire and insulation claims name test families (Euroclass, ASTM E84, ISO 5660, KS F) rather than inventing a single safety number.

Deep introduction

Deep dive: Copper

Copper (Cu) is a family of grades whose density 8.96 g/cm³, heat band 1085 °C, and fire letter A1 metal.

What “the material” actually is

Copper is sold as grades, not as a single substance. Chemistry Cu, density 8.96 g/cm³, heat band 1085 °C.

This atlas treats Copper as a system: mill route, coatings, tests and the cavity it sits in.

Heat, fire and insulation

Conductivity note: ~400 W/m·K. Insulation score 6/100 is relative to 32 entries — metals lose, VIPs and aerogels win.

Fire letter in editorial use: A1 metal. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.

How it is made and used

Origin: Chalcolithic / industrial electrorefining 1860s, Cyprus / global. The process chapter follows feedstock → conversion → forming → finish → install.

Uses span buildings to defence / safety. Pairings matter: aluminum.

Market and circularity

Producers below are landmarks, not an endorsement ranking. Prices are bands, not live quotes.

Circularity mark 78/100. Ask which scrap, which certificate, which year.

The profile

40557668878
Strength 40
Heat resistance 55
Fire performance 76
Insulation 6
Workability 88
Circularity 78

Fire role or insulation role

Pick the fire-performance reading or the insulation reading already scored on this material. Teaching marks — not a specification.

Atlas scores and on-page facts only. A named product test, thickness and assembly decide any real wall or garment. No lab stamp.

Seven chapters

Fire mark or insulation mark first?

Decision walkthrough on Copper: fire 76, insulation 6, and one fact already on file — not a code stamp.

  1. Read the fire-performance mark — Fire on this hub is 76/100 — teaching comparison among atlas materials.
  2. Read the insulation mark — Insulation is 6/100 — heat-flow story, not the same question as flame.
  3. Sit one published fact beside them — Quick fact on file: Density: 8.96 g/cm³.
  4. Sustainability is not a fire skip — A high sustainability mark does not replace fire protection in a real assembly.
  5. Not a building-code rating — Named tests, thickness and build-up still decide compliance — this page is literacy only.

On Copper, fire 76 and insulation 6 answer different jobs; Density: 8.96 g/cm³ grounds one real detail.

Editorial atlas marks. Not a code certificate or product approval.

Thermal mark or safety fact first?

Second lab decision on Copper: heat-resistance 55 beside published thermal fact Conductivity — literacy, not a code stamp.

  1. Read the heat-resistance mark — Heat resistance on this hub is 55/100 — a thermal story, different from the fire/insulation pair.
  2. Sit one thermal fact beside it — Properties chapter lists Conductivity among published thermal rows.
  3. Heat resistance is not a fire skip — A high thermal mark does not replace named fire tests in a real assembly.
  4. Still not a building-code rating — Thickness, build-up and named tests decide compliance — this page teaches axes only.

On Copper, heat 55 and Conductivity are a second thermal/safety reading after fire vs insulation.

Editorial atlas marks. Not a code certificate or product approval.

Heat line to keep

Choose the heat reading for Copper.

Keep heat resistance 55.

A decision from printed marks. Not a building permit.

Frequently asked questions

Is Copper non-combustible?
Declared reaction class in this atlas: A1 metal. Assemblies still need resistance tests.
Does Copper insulate?
Thermal mark 6/100 versus the atlas. Conductivity note: ~400 W/m·K.
What is the density band?
8.96 g/cm³
How is it made?
Origin story: Chalcolithic / industrial electrorefining 1860s (Cyprus / global).
Can it be recycled?
Circularity mark 78/100 — editorial, route-specific.
Typical melting or failure heat?
1085 °C
What should it be paired with?
aluminum: The lighter conductor when cross-section is free.
Where is it specified?
Buildings, transport, energy and consumer goods — see the uses chapter.
Is the fire-performance score a building-code rating?
No. It is an editorial 0–100 teaching mark among materials in this atlas. A real wall or garment needs a named product test, thickness and assembly. This page is not a lab stamp.
When should I read insulation instead of fire?
Use the insulation pick when the question is heat flow — lining, loft, or a cold-bridge — and the fire pick when the question is how the same material behaves in flame. Both numbers already sit on this hub; they answer different jobs.
Does a high sustainability score mean I can skip fire protection?
No. Sustainability here is a relative atlas mark (growth, reuse, embodied story). Bamboo and timber can still char like wood. Fire protection stays a separate specification.
Why is bamboo missing in some languages?
A language URL is published only when the seven chapters are real prose in that language. Bamboo exists in English, Korean, Japanese, Chinese and Spanish. French, German, Portuguese and Russian stay withheld — earlier machine drafts leaked English, so those URLs are not opened.

Icons

Statue of Liberty skin

Statue of Liberty skin

France / US · 1886

Statue of Liberty skin is a reference point in the public image of Copper.

Edison wiring

Edison wiring

United States · 1880s

Edison wiring is a reference point in the public image of Copper.

3

IACS bar

International · 1913

IACS bar is a reference point in the public image of Copper.

Chuquicamata

Chuquicamata

Chile · 1910s–

Chuquicamata is a reference point in the public image of Copper.

Bronze Age palstave

Bronze Age palstave

Europe · 2nd mill. BCE

Bronze Age palstave is a reference point in the public image of Copper.

Heat pipe

Heat pipe

Global · 1960s–

Heat pipe is a reference point in the public image of Copper.

Cu roof patina

Cu roof patina

Europe · historic

Cu roof patina is a reference point in the public image of Copper.

Busbar

Busbar

Global · 20th c.–

Busbar is a reference point in the public image of Copper.

Toggle icons on and off — every bar rescales to the leader of your selection.

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Head-to-head

Same family or rival physics — pick a duel.

Similar materials

Closest neighbours on the six atlas axes — strength, heat, fire, insulation, workability and circularity.

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