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Shielded metal arc welding

Index Shielded metal arc welding

Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld. [1]

79 relations: Alloy, Alloy steel, Alternating current, Alternator, Aluminium, Ampere, Arc blow, Arc welding, Atmosphere of Earth, Auguste de Méritens, Austria, Calcium fluoride, Carbon arc welding, Carbon dioxide, Carbon steel, Carbonate, Cast iron, Cellulose, Charles L. Coffin, Clay, Copper, Cornea, Direct current, Ductile iron, Electric arc, Electric current, Electric generator, Electrode, Extrusion, Firecracker welding, Flux (metallurgy), Flux-cored arc welding, Gas metal arc welding, Glove, Great Soviet Encyclopedia, Helmet, High-strength low-alloy steel, Humphry Davy, Hydrogen embrittlement, Hygroscopy, Iron, Japan, Leather, Lime (material), Metal, Nickel, Nikolay Benardos, Nikolay Slavyanov, Non-ferrous metal, Nondestructive testing, ..., Oscar Kjellberg, Oxide, Oxygen, Ozone, Particulates, Personal protective equipment, Photokeratitis, Polyvinyl chloride, Pounds per square inch, Power inverter, Rectifier, Retina, Rutile, Shielding gas, Silicate, Slag (welding), Smoke, Stainless steel, Stanisław Olszewski, Steel, Toxicity, Transformer, Ultraviolet, Vasily Vladimirovich Petrov, Volt, Weld pool, Welding joint, Welding power supply, Wisconsin. Expand index (29 more) »

Alloy

An alloy is a combination of metals or of a metal and another element.

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Alloy steel

Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties.

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Alternating current

Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.

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Alternator

An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Ampere

The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.

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Arc blow

Arc blow is the, usually unwanted, deflection of the arc during arc welding.

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Arc welding

Arc welding is a process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals when cool result in a binding of the metals.

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

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Auguste de Méritens

Baron Auguste de Méritens was a French electrical engineer of the 19th century.

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Austria

Austria (Österreich), officially the Republic of Austria (Republik Österreich), is a federal republic and a landlocked country of over 8.8 million people in Central Europe.

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Calcium fluoride

Calcium fluoride is the inorganic compound of the elements calcium and fluorine with the formula CaF2.

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Carbon arc welding

Carbon arc welding (CAW) is a process which produces coalescence of metals by heating them with an arc between a non-consumable carbon (graphite) electrode and the work-piece.

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Carbon steel

Carbon steel is a steel with carbon content up to 2.1% by weight.

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Carbonate

In chemistry, a carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of.

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Cast iron

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%.

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Cellulose

Cellulose is an organic compound with the formula, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units.

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Charles L. Coffin

Charles L. Coffin of Detroit was awarded for an arc welding process using a metal electrode.

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Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Cornea

The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber.

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Direct current

Direct current (DC) is the unidirectional flow of electric charge.

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Ductile iron

Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of graphite-rich cast iron discovered in 1943 by Keith Millis.

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Electric arc

An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.

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Electric current

An electric current is a flow of electric charge.

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Electric generator

In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.

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Electrode

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).

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Extrusion

Extrusion is a process used to create objects of a fixed cross-sectional profile.

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Firecracker welding

Firecracker welding is a rarely used form of shielded metal arc welding (SMAW).

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Flux (metallurgy)

In metallurgy, a flux (derived from Latin fluxus meaning “flow”) is a chemical cleaning agent, flowing agent, or purifying agent.

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Flux-cored arc welding

Flux-cored arc welding (FCAW or FCA) is a semi-automatic or automatic arc welding process.

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Gas metal arc welding

Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) welding or metal active gas (MAG) welding, is a welding process in which an electric arc forms between a consumable wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to melt and join.

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Glove

A glove (Middle English from Old English glof) is a garment covering the whole hand.

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Great Soviet Encyclopedia

The Great Soviet Encyclopedia (GSE; Большая советская энциклопедия, БСЭ, Bolshaya sovetskaya entsiklopediya) is one of the largest Russian-language encyclopedias, published by the Soviet state from 1926 to 1990, and again since 2002 by Russia (under the name Bolshaya Rossiyskaya entsiklopediya or Great Russian Encyclopedia).

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Helmet

A helmet is a form of protective gear worn to protect the head from injuries.

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High-strength low-alloy steel

High-strength low-alloy steel (HSLA) is a type of alloy steel that provides better mechanical properties or greater resistance to corrosion than carbon steel.

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Humphry Davy

Sir Humphry Davy, 1st Baronet (17 December 177829 May 1829) was a Cornish chemist and inventor, who is best remembered today for isolating, using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as discovering the elemental nature of chlorine and iodine.

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Hydrogen embrittlement

Hydrogen embrittlement is the process by which hydride-forming metals such as titanium, vanadium, zirconium, tantalum, and niobium become brittle and fracture due to the introduction and subsequent diffusion of hydrogen into the metal.

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Hygroscopy

Hygroscopy is the phenomenon of attracting and holding water molecules from the surrounding environment, which is usually at normal or room temperature.

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Japan

Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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Leather

Leather is a durable and flexible material created by tanning animal rawhides, mostly cattle hide.

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Lime (material)

Lime is a calcium-containing inorganic mineral in which oxides, and hydroxides predominate.

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Nikolay Benardos

Nikolay Nikolayevich Benardos (Никола́й Никола́евич Бенардо́с) (1842–1905) was a Russian inventor of Greek origin who in 1881 introduced carbon arc welding, which was the first practical arc welding method.

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Nikolay Slavyanov

Nikolay Gavrilovich Slavyanov (Никола́й Гаври́лович Славя́нов; –) was a Russian inventor who in 1888 introduced arc welding with consumable metal electrodes, or shielded metal arc welding, the second historical arc welding method after carbon arc welding invented earlier by Nikolay Benardos.

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Non-ferrous metal

In metallurgy, a non-ferrous metal is a metal, including alloys, that does not contain iron (ferrite) in appreciable amounts.

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Nondestructive testing

Nondestructive testing or non-destructive testing (NDT) is a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage.

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Oscar Kjellberg

Oscar Kjellberg (21 September 1870 – 5 July 1931) was a Swedish inventor and industrialist.

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Oxide

An oxide is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Ozone

Ozone, or trioxygen, is an inorganic molecule with the chemical formula.

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Particulates

Atmospheric aerosol particles, also known as atmospheric particulate matter, particulate matter (PM), particulates, or suspended particulate matter (SPM) are microscopic solid or liquid matter suspended in Earth's atmosphere.

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Personal protective equipment

Personal protective equipment (PPE) refers to protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection.

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Photokeratitis

Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense sunlight) or artificial (e.g. the electric arc during welding) sources.

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Polyvinyl chloride

Polyvinyl chloride, also known as polyvinyl or '''vinyl''', commonly abbreviated PVC, is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

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Pounds per square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.

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Power inverter

A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC).

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Rectifier

A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

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Retina

The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.

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Rutile

Rutile is a mineral composed primarily of titanium dioxide (TiO2).

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Shielding gas

Shielding gases are inert or semi-inert gases that are commonly used in several welding processes, most notably gas metal arc welding and gas tungsten arc welding (GMAW and GTAW, more popularly known as MIG and TIG, respectively).

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Silicate

In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.

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Slag (welding)

Welding slag is a form of slag, or vitreous material produced as a byproduct of some arc welding processes, most specifically shielded metal arc welding (also known as stick welding), submerged arc welding, and flux-cored arc welding.

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Smoke

Smoke is a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass.

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Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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Stanisław Olszewski

Stanisław Olszewski (1852–1898) was a Polish engineer and inventor.

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Steel

Steel is an alloy of iron and carbon and other elements.

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Toxicity

Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism.

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Transformer

A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Vasily Vladimirovich Petrov

Vasily Vladimirovich Petrov (Василий Владимирович Петров.) (– 15 August 1834) was a Russian experimental physicist, self-taught electrical technician, academician of Russian Academy of Sciences (since 1809; Corresponding member since 1802).

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Volt

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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Weld pool

Weld pool diagram Weld pool commonly refers to the dime-sized workable portion of a weld where the base metal has reached its melting point and is ready to be infused with filler material.

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Welding joint

A welding joint is a point or edge where two or more pieces of metal or plastic are joined together.

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Welding power supply

A welding power supply is a device that provides an electric current to perform welding.

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Wisconsin

Wisconsin is a U.S. state located in the north-central United States, in the Midwest and Great Lakes regions.

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Redirects here:

MMA welding, MMAW, Manual metal arc welding, SMA welding, SMAW (welding), Shielded Metal Arc Welding, Shielded metal, Shielded metal-arc welding, Stick Welding, Stick electrode welding, Stick welder, Stick welding.

References

[1] https://en.wikipedia.org/wiki/Shielded_metal_arc_welding

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