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  2. ThinkPad X series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X_series

    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.

  3. ThinkPad X1 series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X1_series

    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]

  4. Wear coefficient - Wikipedia

    en.wikipedia.org/wiki/Wear_coefficient

    The volume or weight loss is initially curvilinear. The wear rate per unit sliding distance in the transient wear regime decreases until it has reached a constant value in the steady-state wear regime. Hence the standard wear coefficient value obtained from a volume loss versus distance curve is a function of the sliding distance. [3]

  5. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    Steel grades to classify various steels by their composition and physical properties have been developed by a ... Carbon steels 1.1141 1.0401 1.0453: C15D C18D: 1010 ...

  6. Steel design - Wikipedia

    en.wikipedia.org/wiki/Steel_design

    The design and use of steel frames are commonly employed in the design of steel structures. More advanced structures include steel plates and shells. In structural engineering, a structure is a body or combination of pieces of the rigid bodies in space that form a fitness system for supporting loads and resisting moments.

  7. Vickers hardness test - Wikipedia

    en.wikipedia.org/wiki/Vickers_hardness_test

    Distance between indentations Distance from the center of the indentation to the edge of the specimen ISO 6507-1 > 3·d for steel and copper alloys and > 6·d for light metals: 2.5·d for steel and copper alloys and > 3·d for light metals ASTM E384: 2.5·d: 2.5·d

  8. ThinkPad T series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_T_Series

    It also was the first T series model to adopt widescreen resolution as a mainstream option; the traditional 4:3 aspect ratio screens was also offered as an alternative at the time but mass industry adoption of the widescreen standard meant that it was the last ThinkPad of its kind to use the 4:3 standard.

  9. ABS Steels - Wikipedia

    en.wikipedia.org/wiki/ABS_Steels

    On certified steels, the plates are marked with the grade and a preceding "AB/", e.g. AB/A etc. [3] Yield point for all ordinary-strength ABS steels is specified as 34,000 psi (235 MPa ), except for ABS A in thicknesses of greater than 1 inch (25 mm) which has yield strength of 32,000 psi (225 MPa), and cold flange rolled sections, which have ...