enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Compressive strength - Wikipedia

    en.wikipedia.org/wiki/Compressive_strength

    The construction industry is often involved in a wide array of testing. In addition to simple compression testing, testing standards such as ASTM C39, ASTM C109, ASTM C469, ASTM C1609 are among the test methods that can be followed to measure the mechanical properties of concrete.

  3. Compact tension specimen - Wikipedia

    en.wikipedia.org/wiki/Compact_tension_specimen

    The stress intensity factor at the crack tip of a compact tension specimen is [4] = [() / / + / / + /] where is the applied load, is the thickness of the specimen, is the crack length, and is the effective width of the specimen being the distance between the centreline of the holes and the backface of the coupon.

  4. Brinell hardness test - Wikipedia

    en.wikipedia.org/wiki/Brinell_scale

    The Brinell hardness is designated by the most commonly used test standards (ASTM E10-14 [2] and ISO 6506–1:2005) as HBW (H from hardness, B from brinell and W from the material of the indenter, tungsten (wolfram) carbide). In former standards HB or HBS were used to refer to measurements made with steel indenters.

  5. MasterFormat - Wikipedia

    en.wikipedia.org/wiki/MasterFormat

    MasterFormat is a standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada. [1] Sometimes referred to as the "Dewey Decimal System" of building construction, MasterFormat is a product of the Construction Specifications Institute (CSI) and Construction Specifications Canada (CSC).

  6. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    A standard format defined by ISO 10303 for MBD data generation, storage, and exchange. STA: solution treated and aged: STI: screw thread insert STL: steel: STK: stock: A nominal dimension for the stock material, such as bar stock: SW: Schlüsselweite: Translates as Key or Wrench Width. Width across flats, often found on drawings of German origin.

  7. Uniformat - Wikipedia

    en.wikipedia.org/wiki/Uniformat

    In 1989, ASTM International began developing a standard for classifying building elements, based on UNIFORMAT. It was renamed to UNIFORMAT II. [ 2 ] In 1995, the Construction Specifications Institute (CSI) and Construction Specifications Canada (CSC) began to revise Uniformat.

  8. ASTM distillation - Wikipedia

    en.wikipedia.org/wiki/ASTM_distillation

    ASTM D20-03(2014) Standard Test Method for Distillation of Road Tars D1160 Test Method for Distillation of Petroleum Products at Reduced Pressure ASTM Distillation is a subset of the standards set by the standards organization ASTM International , a voluntary standards development organizations that sets technical standards for materials ...

  9. Unified numbering system - Wikipedia

    en.wikipedia.org/wiki/Unified_numbering_system

    The Unified Numbering System for Metals and Alloys (UNS) is an alloy designation system widely accepted in North America.Each UNS number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property.