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2. Tube (fluid conveyance) - Wikipedia

   en.wikipedia.org/wiki/Tube_(fluid_conveyance)

   ASTM A554 Standard Specification for Welded Stainless Steel Mechanical Tubing; British Standard 1387:1985 Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads; ASTM material specifications generally cover a variety of grades or types that ...

3. Category:3GPP standards - Wikipedia

   en.wikipedia.org/wiki/Category:3GPP_standards

   GSM standard (81 P) L. LTE (telecommunication) (30 P) U. UMTS (28 P) Pages in category "3GPP standards" The following 61 pages are in this category, out of 61 total.

4. Pipe (fluid conveyance) - Wikipedia

   en.wikipedia.org/wiki/Pipe_(fluid_conveyance)

   The number system, like Sch 40, 80, 160, were set long ago and seem a little odd. For example, Sch 20 pipe is even thinner than Sch 40, but same OD. And while these pipes are based on old steel pipe sizes, there is other pipe, like cpvc for heated water, that uses pipe sizes, inside and out, based on old copper pipe size standards instead of steel.

5. List of referred Indian Standard Codes for civil engineers

   en.wikipedia.org/wiki/List_of_referred_Indian...

   IS: 1785 – specifications for plain hard drawn steel wire fabric for prestressed concrete. IS: 2090 – specifications for high tensile strength steel bar for prestressed concrete. IS: 2062 – specifications for steel for general purposes. IS: 226 – specifications for rolled steel made from structural steel.

6. 3GPP - Wikipedia

   en.wikipedia.org/wiki/3GPP

   The approved change requests are subsequently incorporated in 3GPP specifications. 3GPP follows a three-stage methodology as defined in ITU-T Recommendation I.130: [27] stage 1 specifications define the service requirements from the user point of view. stage 2 specifications define an architecture to support the service requirements. stage 3 ...

7. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Standard Number Title AWS A2.4: Standard symbols for welding, brazing, and non-destructive examination AWS A3.0: Standard welding terms and definitions AWS A5.1: Specification for carbon steel electrodes for shielded metal arc welding AWS A5.18: Specification for carbon steel electrodes and rods for gas shielded arc welding AWS B1.10

8. Nominal Pipe Size - Wikipedia

   en.wikipedia.org/wiki/Nominal_Pipe_Size

   Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

9. ASTM A53 steel - Wikipedia

   en.wikipedia.org/wiki/ASTM_A53_steel

   Scope of ASTM A53 Standard ASTM A53 is standard specification for pipe, steel, black and hot dipped, zinc-coated, welded and seamless. This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1⁄8 to NPS 26 [DN 6 to DN 650] (Note 1), inclusive, with nominal wall thickness (Note 2) as given in Table X2.2 ...