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Frequently Asked Questions

Where is D&H Sécheron factory located?

D&H Sécheron Electrodes manufacturing unit is located at Indore, India.

What is welding?

Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by using high heat to melt the parts together and allowing them to cool, causing fusion.

What are the four types of welding?

Four commonly used welding types are MIG, TIG, Stick and Flux- Cored arc welding.

How can I purchase D&H Secheron’s product?

You can purchase the products directly from our authorized dealers and distributors or contact us at +91-9833550505 or email us:

Are you present on social media?

Yes we are present on major social media platforms like Facebook, Instagram, Twitter, LinkedIn. You can find us by our name D&H Secheron Electrodes Pvt. Ltd.

How often does D&H Secheron hire?

We always look for talented people, you can check our career page regularly.

Welding can only be done on steel?

No, welding can be done on a lot of different types of metal, like steel, aluminum, cast iron, nickel, etc. for different kinds of metals we offer different kinds of electrodes or wires, check out our product page according to your consumable requirement.

What is flux and how it helps during welding?

Flux is a mixture of different elements like carbon, manganese, etc, it helps in protecting the weld area from getting contaminated by atmospheric gases.

Is D&H Secheron an Indian company?

D&H Secheron is a proud Indian company and serving the nation since 1966.

Is D&H Secheron available on Whatsapp?

Yes, we are available on WhatsApp, you can drop us the message on +91-9833550505.

Which electrode should I choose to weld furniture?

There are many methods and consumables available through which you can weld the furniture, it all depends on the type of metal.

I want help from welding engineers. Does D&H Secheron provide engineers?

Yes, D&H Secheron helps their customer by providing engineers on site, for more details contact us: +91-9833550505 or

What is the packaging size of your products?

It depends on product to product, you can find these details on every product page.

Which type of welding wire is used in Submerged Arc welding?

In the submerged arc welding process, mostly solid wire is used, it also depends upon the base metals and desired requirements. However hard surfacing composite wire also being used along with the Flux.

What is TIG welding?

Tungsten Inert Gas (TIG) welding or Gas Tungsten Arc welding (GTAW) is a process by which the metal joins by heating them with an arc between a tungsten electrode and the parent metals.

How to TIG weld stainless steel?

Stainless steel being welded with the help of TIG Welding Machine (DC) power source, TIG Torch, Argon gas, and SS consumables (WIRE).

Which of the following welding process uses non-consumable electrodes/wires

SPOT Welding/ERW uses non-consumable electrodes/wire.

How welding machine works?

Welding machines step down the voltage and increase the current (Amp) and while welding heat being generated due to high current which helps to get the molten stage of two mats which are being welded along with the extra fused mats like electrodes etc.

What is MIG welding?

Metal Inert gas (MIG) is an arc welding process that uses a continuous solid wire heated and fed into the weld pool with the help of a welding torch.

What is spot welding?

Spot welding (also known as resistance spot welding) is a resistance welding process. This welding process is used primarily for welding two or more metal sheets together by applying pressure and heat from an electric current to the weld area.

What is Butt welding?

A butt weld is one of the simplest and versatile types of weld joint designs. The joint is formed simply by placing two pieces of metal end-to-end and then welding along the joint. Thin sheets are usually welded without any weld edge preparation.

Which kind of resistance is experienced in upset butt welding?

In an upset butt welding, there are jaws made of copper, into which the part to be welded is put and hence a solid contact is made. At this point of contact, while the current flows it gets transformed into heat because of electric resistance.

How to weld Aluminium?

Aluminum is difficult to weld because it is a soft, highly sensitive metal insulated by a tougher oxidized layer. Aluminum is highly susceptible to impurities in its molten state, Mostly TIG Welding with AC preferred for welding.

What are different types of welding defects?

The most common defects are Porosity, Undercut, Incomplete fusion, Incomplete penetration, Slag Inclusion and Spatter.

How many watts does a welding machine use?

It depends upon the input power required by the machine and running with load etc. To calculate the power consumption of the welding machine, we need to multiply the wattage of the welding machine by the operational hours.

What kind of rod is used on cast iron?

For nonmachinable Cast Iron welding-Low hydrogen (Without Iron powder) type electrodes being used and for Machinable welding Pure nickel, cupro-nickel, and Ferro-nickel type electrodes used as per the requirement.

How to weld dissimilar metals?

To weld dissimilar metals, it is mostly preferred high alloy SS electrode with around Cr-30% and Ni-10%.

How flux-cored wires built?

MS strip is being rolled during the manufacturing process to get a round shape and at the same time flux being filled inside the Core, hence the Flux Cored wire is built.

What is High strength alloy steel?

High-alloy steels are defined by a high percentage of alloying elements. The most common high-alloy steel is stainless steel is which contains at least 12 percent of chromium.

Why coated electrode is used in SMAW?

As indicated in shielded metal arc welding, the coating is being provided to give shielding to molten weld metal during the solidification as a SLAG and provide the gas shielding during welding and add other alloying elements.

Is it necessary to apply pressure on submerged arc welding?

No, it is not necessary to apply pressure on the Submerged arc welding process.

Are there any helpful articles related to welding?

Yes, we have plenty of blogs available on our website’s Blog page, here you can read as well as subscribe for future blog updates.

What welding rod is used for stainless steel?

Mostly the similar type of Stainless Steel electrodes are being used for the welding, for example, SS-308/316 Grade.

What is better MIG or TIG welding?

Both of the processes having their own advantages/disadvantage, usually, MIG welding is used for heavy and more productivity and TIG welding being used for ROOT RUN welding.

What is a wear plate?

Sections of hardened steel plates of various thicknesses (as per requirement) which are welded (or bolted) in areas of severe wear, such as the insides of feeders, crushers, transfer chutes, or any other area where mined material passes, creating abrasion, and threatens to wear of these areas to enhance service life

Why electrodes are coated?

The coating is being provided to give shielding to the molten weld metal during the solidification as a SLAG.

What are different types of welding machines?

There are typically three types of welding machines: 1.Welding Transformer 2.Welding Generator 3.DC Welding Machine ( Maybe Inverter or Thyrester type).

What is an arc welding machine?

It's a power source that helps to get ARC welding.

What is an inverter welding machine?

Inverter welding machine helps in providing the direct current mostly used for special welding.

What is a TIG welding machine?

TIG (tungsten inert gas) welding machine consists of a TIG torch and provides the DC and shielding gas through the machine.

Do you have any industry-related product details which can help me?

D&H Secheron works with many different industries and provides its services, you can check our Industry page where you can find specific products related to the specific industry.

What is the difference between SMAW & GTAW processes?

SMAW is a manual arc welding process in which electrodes are used to join two metals whereas in the GTAW process-Tungsten is used to generate arc and another filler wire being fed for the joining of two metals.

What is SMAW welding?

Shielded metal arc welding (SMAW) is a welding technique that can be used on all welding positions. A flux-coated electrode (which is a metal stick in an electrode holder) is connected to a power source and touches the base metal to produce the weld.

What is SMAW welding used for?

SMAW is often used to weld carbon steel, low & high alloy steel, stainless steel, cast iron, and ductile iron and Nickle.

Which type of consumable majorly used for TIG welding?

In TIG welding, a tungsten electrode heats the metal which is being welded and gas (most commonly Argon) protects the weld puddle from airborne contaminants. TIG welding produces clean, precise welds on any metal

What is a DC welding machine?

DC welding machine means which provide the DC ( Electrode +VE or -VE) as an out put for the welding.

What is the process of welding from stainless steel wire?

Stainless steel wire is used in the GMAW process, also known as to MIG (Metal Inert Gas) process, in which the welding heat is produced by an arc struck between a continuously fed metal wire electrode and the workpiece

For what purpose does the E6013 welding rod is used?

E-6013 welding rod is widely used for the welding of MS/CS in all positions as a very popular and easy welding process.

How to choose a welding rod?

It depends upon the base metal, desired properties require, thickness, position and service conditions.

Which rod is best to weld cast steel?

It totally depends upon the chemistry of base metal, service conditions, require properties, etc, however, most of the time E-7018 is preferred.

Which rod is best suitable for Mild steel?

E-6013 welding rod is widely used for the welding of MS/CS in all positions as a very popular and easy welding process.

What is the difference between the 308 & 309 welding rod?

The difference between E-308 & 309 is E-308 is a SS grade and E-309 grade electrode being used to weld SS-308 to MS/carbon steel welding.

Which welding rod is common amongst the welders?

D&H Secheron is having a legacy of many famous products, However Norma, Medio, Supratherme, Sup(Spl), Cromotherme-1/2, Rutox-A/B/D, D&H-1212(NS), NFM, etc.

How to spot weld sheet metal?

Spot welding (also known as resistance spot welding) is a resistance welding process. This welding process is used primarily for welding two or more metal sheets together by applying pressure and heat from an electric current to the weld area.

Can you connect copper wire to aluminum wire?

Copper wires and aluminum wires cannot be connected because the potentials of the two are different.

Which kind of resistance is experienced in upset butt welding?

In upset butt welding, the jaws are made of copper, into which the part is welded is kept and hence a solid contact is made. At this point of contact, while the current flows it gets transformed into heat because of electric resistance.

What is Flash Butt welding?

Flash (butt) welding is an electrical resistance welding process used for joining components, where the energy transfer is provided primarily by the resistance heat from the parts themselves.

Argon gas is used for which type of welding?

Pure argon gas can be used for both GMAW and GTAW welding.

What is the difference between Arc and Argon welding?

Argon gas is used as a "shield" for the weld to cure without any flux whereas arc welding has flux that protects the weld bead.

Where we can get argon gas for welding?

Argon is a welding shielding gas that enhances arc stability and prevents atmospheric contamination of welding pools. Argon is essential to gas tungsten arc welding (GTAW). We can get the same from the Industrial Gas supplier.

What is X-ray welding?

X-ray welding is one of the latest advances in welding technology. Just like laser beam welding and electron beam welding, in this type of welding, the thermal heat that is required for the weld is produced with the use of a focused high-powered X-ray beam. This high-powered beam will initiate a localized melting of the metal that will form the weld once it is cooled down.

How to weld Aluminium with the oxy-acetylene torch?

Oxy-acetylene torches can be used to weld aluminum.

Can we use aluminum welding rods on steel?

No, we cannot use aluminum welding rods on steel.

How to TIG weld Aluminium?

TIG welding aluminum requires a shielding gas (usually argon), a tungsten non-consumable electrode, and a clean surface to remove any oxide buildup. The oxide has a higher melting point than the aluminum itself, which is why it needs to be removed before welding.

Is it hard to weld aluminum?

Yes, it is difficult to weld aluminum because it is an alloy.

How to MIG weld Aluminium?

MIG Welding with pure Argon gas is possible with lots of modifications like plastic or Teflon liner in torch with skill.

What is electric welding?

Electric welding is the joining of metal using an electrical arc and a filler metal stick electrode or wire. Welding is done by creating an arc between the base metal (the metal being welded) and the filler metal. The arc melts the base metal and filler metal, combining them into one material to join the base metals.

Why manganese is used in welding rods?

Together with carbon, manganese is responsible for the hardness and strength of steel. Besides this, manganese significantly improves the plasticity of steel and its toughness. It also works as a deoxidizer.

Which kind of welding rod is majorly used in Steel and Cement Industry?

There are lots of common electrodes being used for both the Industry like Mild Steel, Stainless Steel, Hardfacing, Cast Iron, Dissimilar Electrodes, etc depend upon the application.

Why stainless steel is corrosion resistant?

The passive layer forms because of the chromium added to stainless steel and due to which Stainless steel becomes corrosion resistant.

Is low carbon steel corrosion-resistant?

No, the low carbon steel is not corrosion-resistant.

What is welding?

Welding is a process of joining two metal pieces by the application of heat. Welding joints different metals with the help of a number of processes in which heat is supplied either electrically or by means of a gas torch.

What is an electrode?

An electrode is a metal wire that is coated. SMAW or stick electrodes are consumable, meaning they become part of the weld, while TIG electrodes are non-consumable as they do not melt and become part of the weld

What is a welding wire?

A welding wire is a slim metallic rod that is ignited to generate a heated arc for the purpose of fusing metal pieces together (welding) by rendering the wire soft under an applied heat source.

Why you should choose D&H Secheron's consumables?

If Welding is the most Important part then selection of the Welding consumables are most important, hence keeping in this mind most of Industry select the D&H Secheron to make consumables due to competitive prices, quality, better service life by way of special requirements ( e.g. Creep, NACE properties, IGC properties, CTOD properties, etc) i.e.VALUE FOR MONEY.

Is D&H Secheron's welding rod manufacturing plant in India?

Yes, D&H Secheron's welding rod manufacturing plants are located in Indore, India.

Does D&H Secheron manufacture welding rods daily?

Yes, D&H Secheron manufactures welding rods daily in two shifts (Day/Night).

What is a metal-cored electrode?

Mainly name as a metal-cored wire which is a tubular wire filled with metallic powders, alloys, arc stabilizers, each of which offers distinct benefits such as lowering oxidation, providing higher impact strengths, and reducing silicon deposits in the final weld.

How unprofessional welder can lead to welding defects and losses?

By way of lots of welding defects like undercut, incomplete fusion, slag inclusion, porosity, etc and accordingly have to do the rework which unnecessarily creates the production loss and will increase the other cost.

Does D&H Secheron provide welding support?

Yes, since the beginning we provide complete welding support and D&H Secheron's slogan is "COMPLETE WELDING SUPPORT"