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  2. Engineering tolerance - Wikipedia

    en.wikipedia.org/wiki/Engineering_tolerance

    H7/h6 is a very common standard tolerance which gives a tight fit. The tolerances work in such a way that for a hole H7 means that the hole should be made slightly larger than the base dimension (in this case for an ISO fit 10+0.015−0, meaning that it may be up to 0.015 mm larger than the base dimension, and 0 mm smaller).

  3. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    DIN ISO 13715(2000–12) DIN 14000 to DIN 14999. DIN Title Status ... DIN 31635: Conversion of the Arabic alphabet: Active: DIN 32676: Tri-Clamp Fittings [2] Active:

  4. Flow cups - Wikipedia

    en.wikipedia.org/wiki/Flow_cups

    This measured kinematic viscosity is generally expressed in seconds of flow time which can be converted into centistokes (cSt) using a viscosity calculator. [ 2 ] Flow cups are manufactured using high grade aluminium alloy with stainless steel orifices (where indicated), flow cups are available with a range of UKAS / ISO 17025 certified ...

  5. Geometric dimensioning and tolerancing - Wikipedia

    en.wikipedia.org/wiki/Geometric_dimensioning_and...

    Example of true position geometric control defined by basic dimensions and datum features. Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances via a symbolic language on engineering drawings and computer-generated 3D models that describes a physical object's nominal geometry and the permissible variation thereof.

  6. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    ISO 6520-2: Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 2: Welding with pressure ISO 6947: Welds. Working positions. Definitions of angles of slope and rotation ISO 9606: Qualification test of welders — Fusion welding, parts 1 to 5 ISO 9692-1: Welding and allied processes.

  7. List of ISO standards - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_standards

    ISO 2000 – ISO 2999; ISO 3000 – ISO 4999; ISO 5000 – ISO 7999; ISO 8000 – ISO 9999; ISO 10000 – ISO 11999; ... List of DIN standards; List of EN standards;

  8. Film speed - Wikipedia

    en.wikipedia.org/wiki/Film_speed

    Since the ISO system combines the newer ASA and DIN definitions, this conversion is also necessary when comparing older ASA and DIN scales with the ISO scale. The picture shows an ASA/DIN conversion in a 1952 photography book [ 70 ] in which 21/10° DIN was converted to ASA 80 instead of ASA 100.

  9. Thread angle - Wikipedia

    en.wikipedia.org/wiki/Thread_angle

    DIN / BS / EN / ISO 228-1 / ISO 7-1 National Pipe Thread NPT 60° ASME B1.20.-1983 Pipe Threads, General Purpose, Inch ... DIN 40430 British Association (BA) thread: BA