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2. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   Comparison of lifespan, embodied energy, and embodied CO 2 emissions of copper, stainless steel, and aluminium in roofing and cladding materials. (Source: German Ministry for Environmental Affairs, 2004) [11] [43] Copper Stainless steel Aluminium Typical thicknesses (mm) 0.6: 0.4: 0.7 Lifespan (years) 200: 100: 100 Embodied Energy (MJ/m 2) 103. ...

3. SAE 904L stainless steel - Wikipedia

   en.wikipedia.org/wiki/SAE_904L_stainless_steel

   904L is an austenitic stainless steel.It is softer than 316L, [1] [2] and its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids; in particular, its copper addition gives it useful corrosion resistance to all concentrations of sulfuric acid.

4. List of copper alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_copper_alloys

   Example of a copper alloy object: a Neo-Sumerian "Foundation Nail" of Gudea, circa 2100 BC, made in the lost-wax cast method, overall: 17.5 x 4.5 x 7.3 cm, probably from modern-day Iraq, now in the Cleveland Museum of Art (Cleveland, Ohio, USA) Copper alloys are metal alloys that have copper as their principal component.

5. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   The average carbon footprint of stainless steel (all grades, all countries) is estimated to be 2.90 kg of CO 2 per kg of stainless steel produced, [97] of which 1.92 kg are emissions from raw materials (Cr, Ni, Mo); 0.54 kg from electricity and steam, and 0.44 kg are direct emissions (i.e., by the stainless steel plant). Note that stainless ...

6. Copper in heat exchangers - Wikipedia

   en.wikipedia.org/wiki/Copper_in_heat_exchangers

   Non-copper heat exchangers are also available. Some alternative materials include aluminum, carbon steel, stainless steel, nickel alloys, and titanium. This article focuses on beneficial properties and common applications of copper in heat exchangers. New copper heat exchanger technologies for specific applications are also introduced.

7. These Are the Most Expensive Shoes Ever Sold at Auction

   www.aol.com/most-expensive-shoes-ever-sold...

   Sold for: $2.2 million. Worn by Jordan during Game 2 of the 1998 NBA Finals, these shoes witnessed the shooting guard score a whopping 37 points to lead the Bulls to victory on their path to a ...