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  2. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    Sheet metal is available in flat pieces or coiled strips. The coils are formed by running a continuous sheet of metal through a roll slitter. In most of the world, sheet metal thickness is consistently specified in millimeters. In the U.S., the thickness of sheet metal is commonly specified by a traditional, non-linear measure known as its ...

  3. ISO 216 - Wikipedia

    en.wikipedia.org/wiki/ISO_216

    Similarly, two sheets of A4 can be scaled down to fit one A4 sheet without excess empty paper. This system also simplifies calculating the weight of paper. Under ISO 536 , paper's grammage is defined as a sheet's mass in grams (g) per area in square metres (unit symbol g/m 2 ; the nonstandard abbreviation "gsm" is also used). [ 5 ]

  4. Quality control system for paper, board and tissue machines

    en.wikipedia.org/wiki/Quality_control_system_for...

    A quality control system (QCS) refers to a system used to measure and control the quality of moving sheet processes on-line as in the paper produced by a paper machine. Generally, a control system is concerned with measurement and control of one or multiple properties in time in a single dimension.

  5. Paper density - Wikipedia

    en.wikipedia.org/wiki/Paper_density

    Weighing scale to determine paper weight. Paper density is a paper product's mass per unit volume.The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres, occasionally in mils).

  6. American wire gauge - Wikipedia

    en.wikipedia.org/wiki/American_wire_gauge

    Print/export Download as PDF; ... (B&S) sheet metal gauge, the B&S gauge was designed for use with sheet metals as its name suggests. ... 32 ms 0000 (4/0) 0.4600 [d ...

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  8. Grammage - Wikipedia

    en.wikipedia.org/wiki/Grammage

    However, a sheet of common copy paper that has a basis weight of 20 pounds (9.1 kg) does not have the same mass as the same size sheet of coarse paper (newsprint). In the former case, the standard ream is 500 sheets of 17-by-22-inch (432 by 559 mm) paper, and in the latter, 500 sheets of 24-by-36-inch (610 by 914 mm) paper.

  9. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    A size chart illustrating the ANSI sizes, superimposed on an "ANSI E" sheet In 1996, the American National Standards Institute adopted ANSI/ASME Y14.1 which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in (216 mm × 279 mm) Letter size which it assigned "ANSI A", intended for technical drawings ...