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7 World Trade Center (7 WTC, WTC-7, or Tower 7) is an office building constructed as part of the new World Trade Center in Lower Manhattan, New York City.The tower is located on a city block bounded by Greenwich, Vesey, Washington, and Barclay Streets on the east, south, west, and north, respectively. 7 World Trade Center was developed by Larry Silverstein, who holds a ground lease for the ...
Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost. Stainless steel's resistance to corrosion results ...
The next year, the building's stainless steel elements, including the needle, crown, gargoyles, and entrance doors, were polished for the first time. [ 221 ] [ 222 ] A group of ten workers steam-cleaned the facade below the 30th floor, and manually cleaned the portion of the tower above the 30th floor, for a cost of about $200,000. [ 222 ]
Around the core, the walls are made of stainless steel rectangular panels. [59] [39] [64] The steel panels are designed to complement the floor colors and are arranged in a checkerboard pattern. [64] The ceiling throughout the lobby is 16 ft (4.9 m) high [6] [59] and was originally made of dark maroon glass tiles, finished in a matte covering ...
[87] [e] The side entrances from 33rd and 34th Street lead to two-story-high corridors around the elevator core, crossed by stainless steel-and-glass-enclosed bridges at the mezzanine floor. [30] [38] [92] Until the 1960s, an Art Deco mural, inspired by both the sky and the Machine Age, was installed in the lobby ceilings. [90]
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
The most common austenitic stainless steel and most common of all stainless steel is Type 304, also known as 18/8 or A2. Type 304 is extensively used in such items as cookware, cutlery, and kitchen equipment. Type 316, also known as A4, is the next most common austenitic stainless steel. Some 300 series, such as Type 316, also contain some ...
SAE 316L grade stainless steel, sometimes referred to as A4 stainless steel or marine grade stainless steel, is the second most common austenitic stainless steel after 304/A2 stainless steel. Its primary alloying constituents after iron , are chromium (between 16–18%), nickel (10–12%) and molybdenum (2–3%), up to 2% manganese [ 1 ] , with ...
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