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The X1 Carbon weighs 1.36 kg (3.0 lb) and measures 331 mm × 226 mm × 19 mm (13.03 in × 8.9 in × 0.74 in). The X1 Carbon's case is made of light carbon fiber and has a matte black finish. [ 66 ] The Carbon is also marketed "as the thinnest 14" ultrabook.
The base model X1 Carbon has a 14-inch (360 mm) TN screen with a resolution of 1600 by 900 pixels. The X1 Carbon weighs 1.35 kilograms (3.0 lb) and measures 12.8 inches (330 mm) by 8.94 inches (227 mm) by 0.68 inches (17 mm) (at its thickest). The X1 Carbon's roll cage is made of light-weight carbon-fiber [17] and has a matte black finish. [15]
i - Low-cost; s - Slim; p - Performance; g - Advanced graphics; Models prior to 2020 uses this convention: The first number after the letter T is the screen size in inch without the number 1 (i.e. T5xx for 15" models). The second number is the generation. Intel-based models have the last number being 0 or 1 while AMD-based models have the ...
A wobbly web wheel is a disc wheel with additional shaping, rather than a spoked wheel with merged spokes. To avoid stress concentrations, the webs form smooth curves rather than sharply defined spokes. Such wheels can be pressed from sheet steel, or cast in light alloy. Casting foundries prefer a disc that has a consistent wall thickness, as ...
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The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.
SVCM steel is a kind of shock-resisting steel. [5] SVCM steel is an alloy of carbon, silicon, chromium, magnesium, nickel, molybdenum and lead. [6] SVCM+ in addition is quenched and tempered achieving a high hardness (HRC 59). [6] SCVM+ has better torsional properties than chromium-vanadium steel (Cr-V). [7]
Most train wheels have a conical taper of about 1 in 20 to enable the wheelset to follow curves with less chance of the wheel flanges coming in contact with the rail sides, and to reduce curve resistance. The rails generally slant inwards at 1 in 40, a lesser angle than the wheel cone.