Šioje svetainėje naudojami slapukai ir kitos sekimo technologijos, kad galėtume teikti jums savo paslaugas, pagerintume savo paslaugų veikimą ir funkcionalumą, analizuotume mūsų produktų ir paslaugų naudojimą ir pagerintume savo reklamos bei rinkodaros veiklą.

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ESAB žinių centras

Nuo 1904 m. Oscar Kjellberg išrasto glaistyto suvirinimo elektrodo, ESAB, labiau nei kitos bendrovės, atlieka svarbų plačiai pripažintų suvirinimo procesų atradimo ir tobulinimo vaidmenį.

ESAB žinių centre skelbiamas didžiulis suvirintojams, inžinieriams, suvirinimo inspektoriams ir projektų vadovams skirtos informacijos kiekis.

Choosing Welding Consumables

The tables are guides for choosing the correct welding consumable when welding similar or dissimilar materials. If the materials you need to join are not on the list, please contact us.

Joining Similar Materials The table gives typical selections of welding consumables and basic designations for wire electrodes and filler wire/rods. It does not indicate the silicon-alloyed variants used for MIG welding or the variants of covered electrodes or wire-flux combinations for submerged arc welding.

Base metal

Exaton Welding Consumable

ASTM/UNS

ISO

Exaton

Normal choice 1

Over-alloyed choice 1

304L2

1.43062

3R122

19.9.L (19.9.Nb)

19.12.3.L ...

The tables are guides for choosing the correct welding consumable when welding similar or dissimilar materials. If the materials you need to join are not on the list, please contact us.

Joining Similar Materials The table gives typical selections of welding consumables and basic designations for wire electrodes and filler wire/rods. It does not ...

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Handling and Storage of Welding Fluxes

By carefully selecting raw materials and optimizing manufacturing conditions the Exaton fluxes have guaranteed as-delivered moisture content from the factory.

Normally, the fluxes are delivered in steel drums, each containing 25 kg (55 lbs). Each pallet has a net weight of 500–1000 kg (1100–2200 lbs) and is shrink wrapped in plastic or packed in wooden crates before delivery from the factory.

To maintain the as-delivered moisture content, as long as possible, the handling and storage of the flux must be done according to the following requirements.

Transport

Transportation of the flux must be done in covered vehicles.

Unbroken pallets must be shrink wrapped in plastic or kept ...

By carefully selecting raw materials and optimizing manufacturing conditions the Exaton fluxes have guaranteed as-delivered moisture content from the factory.

Normally, the fluxes are delivered in steel drums, each containing 25 kg (55 lbs). Each pallet has a net weight of 500–1000 kg (1100–2200 lbs) and is shrink wrapped in plastic or packed in ...

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Shielding the Weld

Shielding the Weld The primary tasks of a shielding gas are to protect the weld pool from the influence of the atmosphere, i.e. from oxidation and nitrogen absorption, and to stabilize the electric arc. The choice of shielding gas can also influence the characteristics of the weld penetration profile.

Shielding Gas Protection Shielding gases for MIG/GMAW welding

The basic gas for MIG/MAG welding is argon (Ar). Helium (He) can be added to increase penetration and fluidity of the weld pool. Argon or argon/helium mixtures can be used for welding all grades. However, small additions of oxygen (O2) or carbon dioxide (CO2) are usually needed to stabilize the arc, improve the fluidity and ...

Shielding the Weld The primary tasks of a shielding gas are to protect the weld pool from the influence of the atmosphere, i.e. from oxidation and nitrogen absorption, and to stabilize the electric arc. The choice of shielding gas can also influence the characteristics of the weld penetration profile.

Shielding Gas Protection Shielding gases for ...

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Troubleshooting Guide

Problem Cause Solution Cracking centerline Excessive dilution Add more filler metal or use technique to achieve slightly convex weld bead. Check dissimiliar joining chart to make sure correct filler material is being used. Cracking Random Overstressed weld Lower amperage or voltage or increase travel speed to lower heat input, which causes distortion. Use step welding technique, change joint design. Keep the interpass temperature below 150°C (300°F). Cracking HAZ Usually base metal related Ensure not welding with machinable grade of material containing high levels of low melting intermetallics. Porosity Poor gas ...

Problem Cause Solution Cracking centerline Excessive dilution Add more filler metal or use technique to achieve slightly convex weld bead. Check dissimiliar joining chart to make sure correct filler material is being used. Cracking Random Overstressed weld Lower amperage or voltage or increase ...

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Welding Flux Basicity Index

Basicity is commonly used to describe the metallurgical behavior of a welding flux. The basicity index is a ratio between basic and acid compounds (oxides and fluorides) of which the flux is composed.

There are several ways of calculating basicity and in welding Boniszewski's formula has become the predominant way of calculating basicity.

Welding fluxes can be divided into three groups:  Type of welding flux   Basicity   Acid fluxes   <0.9   Neutral fluxes   0.9 - 1.2   Basic fluxes   >1.2 Basicity ...

Basicity is commonly used to describe the metallurgical behavior of a welding flux. The basicity index is a ratio between basic and acid compounds (oxides and fluorides) of which the flux is composed.

There are several ways of calculating basicity and in welding Boniszewski's formula has become the predominant way of calculating basicity.

Welding ...

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Welding Guidelines for Stainless Steel and Nickel Alloys

Welding stainless steels and nickel alloys is all about cleanliness and choosing the right filler metal. These guidelines are intended as a step-by-step aid to the successful welding of stainless steels and nickel alloys.

Step 1: Selection of Filler Metal Alloy for Welding ProcessWhen both base metals are the same, use the base metal alloy as a guide. For example, if joining 316L to 316L, use 316L filler metal. Past experience may show preferential corrosion in the weld, in which case, moving up in alloy content may be required. Careful consideration regarding how far to move up is necessary, so as not to over-alloy causing galvanic corrosion.

For dissimilar joint welding (example; Stainless ...

Welding stainless steels and nickel alloys is all about cleanliness and choosing the right filler metal. These guidelines are intended as a step-by-step aid to the successful welding of stainless steels and nickel alloys.

Step 1: Selection of Filler Metal Alloy for Welding ProcessWhen both base metals are the same, use the base metal alloy as a ...

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Bendruomenė

Prisijunkite prie ESAB bendruomenės! Skaitykite ESAB naujienas „Facebook“, „YouTube“ ir „Twitter“ tinklapiuose. Peržiūrėkite mūsų pardavimų skatinimo kampanijas, nuotraukas, vaizdinę medžiagą ir dar daugiau. Prisijunkite ir susidraugaukite su kitais gerbėjais arba aptarkite naujausius įrašus ir pranešimus.


Mokymai

Mes ESAB bendrovėje manome, kad meistriškumo galima pasiekti suteikiant aukščiausios kokybės mokymų galimybę. Mūsų mokymo programos suteikia galimybę gilinti žinias apie prietaisus, saugų darbą ir prietaisų našumo didinimą. Mūsų instruktorių vedamuose kursuose turite galimybę praktikuotis ir dalyvauti specialius poreikius atitinkančiose programose, skirtose įrangos operatoriams ir aptarnaujantiems darbuotojams. Moderniose ESAB mokymo patalpose turite geriausias mokymosi galimybes ir galimybę naudoti pažangiausias technologijas.

Kursų apžvalgą ir informaciją apie siūlomus mokymus rasite mūsų mokymų kalendoriuje.


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