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2. Specified minimum yield strength - Wikipedia

   en.wikipedia.org/wiki/Specified_Minimum_Yield...

   Specified Minimum Yield Strength (SMYS) means the specified minimum yield strength for steel pipe manufactured in accordance with a listed specification 1. This is a common term used in the oil and gas industry for steel pipe used under the jurisdiction of the United States Department of Transportation .

3. Barlow's formula - Wikipedia

   en.wikipedia.org/wiki/Barlow's_formula

   Barlow's formula (called "Kesselformel" [1] in German) relates the internal pressure that a pipe [2] can withstand to its dimensions and the strength of its material. This approximate formula is named after Peter Barlow, an English mathematician. [3] = Cylinder, where

4. Heat-affected zone - Wikipedia

   en.wikipedia.org/wiki/Heat-affected_zone

   The heat from the welding process and subsequent re-cooling causes this change from the weld interface to the termination of the sensitizing temperature in the base metal. The extent and magnitude of property change depends primarily on the base material, the weld filler metal, and the amount and concentration of heat input by the welding process.

5. Yield (engineering) - Wikipedia

   en.wikipedia.org/wiki/Yield_(engineering)

   The yield strength or yield stress is a material property and is the stress corresponding to the yield point at which the material begins to deform plastically. The yield strength is often used to determine the maximum allowable load in a mechanical component, since it represents the upper limit to forces that can be applied without producing ...

6. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Heating practices for pipe and tube AWS D10.11: Root pass welding for pipe AWS D10.12: Pipe welding (mild steel) AWS D10.13: Tube brazing (copper) AWS D10.18: Pipe welding (stainless steel) AWS D11.2: Welding (cast iron) AWS D14.1: Industrial mill crane welding AWS D14.3: Earthmoving & agricultural equipment welding AWS D14.4: Machinery joint ...

7. Equivalent carbon content - Wikipedia

   en.wikipedia.org/wiki/Equivalent_carbon_content

   One is from the American Welding Society (AWS) and recommended for structural steels and the other is the formula based on the International Institute of Welding (IIW). [3] The AWS states that for an equivalent carbon content above 0.40% there is a potential for cracking in the heat-affected zone (HAZ) on flame cut edges and welds. However ...

8. Fillet weld - Wikipedia

   en.wikipedia.org/wiki/Fillet_weld

   If the weld is to be continuous around a piece of metal such as a pipe or square, then a small circle will be around the point where the flat line and arrow pointing to the joint are connected. [5] Manufacturers also include the strength that the weld must be. This is indicated by a letter and number combination just before the flat line.

9. Pipe (fluid conveyance) - Wikipedia

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

   The most common process pipe joint is the butt weld. The ends of pipe to be welded must have a certain weld preparation called an End Weld Prep (EWP) which is typically at an angle of 37.5 degrees to accommodate the filler weld metal. The most common pipe thread in North America is the National Pipe Thread (NPT) or the Dryseal (NPTF