Fusion welding definition

Fusion welding means a process of welding metals in a molten and vaporous state, without the application of mechanical pressure or blows.
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Fusion welding means a process of welding metals in a molten or molten and vaporous state, without the application of mechanical pressure or blows. Such welding may be accomplished by the oxyacetylene or oxyhydrogen flame or by the electric arc. Thermic welding is also classed as fusion.
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Fusion welding means the melting together of filler metal and base metal, or of base metal only, which results in coa- lescence.
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Examples of Fusion welding in a sentence

  • Fusion welding of polyethylene pipes shall only be undertaken by skilled operatives using appropriate specialized tooling.

  • For metal bonded parts and composite parts, surface preparation and curing (time, temperature, and pressure) are deemed Critical Processes.Examples of controlled critical processes are: Magnetic Particle Inspection, Fluorescent Penetrant Inspection, Welding (Fusion welding and spot and seam welding), Heat Treatment of Ferrous and Non-Ferrous Alloys.

  • However, in tenders of special nature like in-situ flash butt welding, Fusion welding of by Alumino Thermit process, fabrication and launching of steel girder, box pushing, epoxy grouting in distressing bridges, sinking of tube well etc., the condition quoted/clarification sought by the tenderers along with their offer should not be considered as “Conditional tender/offer”.

  • Fusion welding joints in high density and medium density polythene shall be made only between pipes having the same physical characteristics.

  • Fusion welding may be used for sealing purposes at the junction of bolted joints.

  • However, in tenders of special nature like in-situ flash butt welding, Fusion welding of by Alumino Thermic process, fabrication & launching of steel girder, box pushing, epoxy grouting in distressing bridges, sinking of tube well etc., the condition quoted/clarification sought by the tenderers along with their offer should not be considered as “Conditional tender/offer”.

  • A confirmation in regard to weld ability of 1080 HH grade rails proposed to be supplied as per IRS-T-12-2009 by short pre-heat process of Alumino - Thermic welding technique as specified in Indian Railway Specification IRS-T-19 (latest version) for Fusion welding of rails by Alumino - Thermic process duly following the provisions of Indian Railway Manual for Alumino - Thermic welding.

  • Fusion welding of the HDPE shall be performed in accordance with ASTM D2657.

  • Fusion welding must reference MIL-STD-2219 in accordance with the applicable specifications.

  • Fusion Welding: Fusion welding shall be in accordance with approved standards and procedures.


More Definitions of Fusion welding

Fusion welding means a process of welding metals in a molten or molten and
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Related to Fusion welding

  • Hydraulic fracturing means the fracturing of underground rock formations, including shale and non-shale formations, by manmade fluid-driven techniques for the purpose of stimulating oil, natural gas, or other subsurface hydrocarbon production.

  • Sensor means any measurement device that is not part of the vehicle itself but installed to determine parameters other than the concentration of gaseous and particle pollutants and the exhaust mass flow.

  • borehole means a hole sunk into the earth for the purpose of locating, abstracting or using subterranean water and includes a spring;

  • Injection well means a well into which fluids are injected. (See also “underground injection”.)

  • Blasting means the use of explosive materials to fracture:

  • Infiltration means water other than wastewater that enters a sewer system (including sewer system and foundation drains) from the ground through such means as defective pipes, pipe joints, connections, or manholes. Infiltration does not include, and is distinguished from, inflow.

  • Nematode means invertebrate animals of the phylum nemathelminthes, and class nematoda, i.e., unsegmented round worms with elongated, fusiform, or saclike bodies covered with cuticle, and inhabiting soil, water, plants, or plant parts, may also be called nemas or eelworms.

  • Grinding means to reduce to powder or small fragments and includes mechanical chipping or drilling.

  • PNode has the meaning set forth in the CAISO Tariff.

  • Pump spray means a packaging system in which the product ingredients within the container are not under pressure and in which the product is expelled only while a pumping action is applied to a button, trigger or other actuator.

  • Casing means a pipe or tubing of appropriate material, of varying diameter and weight, lowered into a borehole during or after drilling in order to support the sides of the hole and thus prevent the walls from caving, to prevent loss of drilling mud into porous ground, or to prevent water, gas, or other fluid from entering or leaving the hole.

  • Diameter means the diameter of the stem of a tree measured outside the bark at a specified point of measurement.

  • Encapsulant means a substance that forms a barrier between lead-based paint and the environment using a liquid-applied coating (with or without reinforcement materials) or an adhesively bonded covering material.

  • Bioassay means the determination of kinds, quantities or concentrations and, in some cases, the locations of radioactive material in the human body, whether by direct measurement, in vivo counting, or by analysis and evaluation of materials excreted or removed from the human body. For purposes of these rules, “radiobioassay” is an equivalent term.

  • Fuel cell means an energy converter transforming chemical energy (input) into electrical energy (output) or vice versa.

  • drilling means the act of boring a hole to reach a proposed bottom hole location through which oil or gas may be produced if encountered in paying quantities, and includes redrilling, sidetracking, deepening, or other means necessary to reach the proposed bottom hole location, testing, logging, plugging, and other operations necessary and incidental to the actual boring of the hole;

  • Biomethane means biogas that meets pipeline quality natural gas standards.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.