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  2. Heat treating - Wikipedia

    en.wikipedia.org/wiki/Heat_treating

    Heat treating furnace at 1,800 °F (980 °C) Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as ...

  3. OAO TMK - Wikipedia

    en.wikipedia.org/wiki/OAO_TMK

    In 2013 TMK acquired pipe services and precision manufacturing assets incorporated into OFSi company (Houston, USA). In 2020, TMK closed sale of 100% of Ipsco Tubulars Inc. shares to Tenaris. [4] In 2021, TMK announced the transaction for acquisition of 86.54% of shares in PJSC "ChelPipe" from controlling shareholder Andrey Komarov. [5]

  4. Austempering - Wikipedia

    en.wikipedia.org/wiki/Austempering

    Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron. In steel it produces a bainite microstructure whereas in cast irons it produces a structure of acicular ferrite and high carbon, stabilized austenite known as ausferrite. It is primarily used to improve mechanical properties or reduce ...

  5. Precipitation hardening - Wikipedia

    en.wikipedia.org/wiki/Precipitation_hardening

    Precipitation hardening, also called age hardening or particle hardening, is a heat treatment technique used to increase the yield strength of malleable materials, including most structural alloys of aluminium, magnesium, nickel, titanium, and some steels, stainless steels, and duplex stainless steel.

  6. Differential heat treatment - Wikipedia

    en.wikipedia.org/wiki/Differential_heat_treatment

    There are several techniques used to differentially heat treat steel, but they can usually be divided into differential hardening and differential tempering methods. During heat treating, when red-hot steel (usually between 1,500 °F (820 °C) and 1,600 °F (870 °C)) is quenched, it becomes very hard. However, it will be too hard, becoming ...

  7. Houston area grapples with heat, power cuts after major storms

    www.aol.com/news/houston-area-grapples-heat...

    The NWS predicted temperatures around 90 degrees (32.2 C) and warned residents in a post on the X social media platform of the threat of heat stroke, saying "Don't overdo yourself" as they ...

  8. Heat-related Texas deaths climb after Beryl left millions ...

    www.aol.com/news/heat-related-texas-deaths-climb...

    Almost two weeks after Beryl hit, heat-related deaths during the prolonged power outages have pushed the number of storm-related fatalities to at least 23 in Texas. The combination of searing ...

  9. Nitriding - Wikipedia

    en.wikipedia.org/wiki/Nitriding

    Nitriding is a heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface. These processes are most commonly used on low-alloy steels. They are also used on titanium, aluminium and molybdenum.