Electrode For Welding Stainless Steel & Dissimilar Metals

Description:

SAITRON 214 is a Cr-Ni-Mn austenitic stainless steel low heat input electrode with high Manganese content. It is specially used for joining and overlaying manganese steels (upto 12-14% Mn) and for joining these to other steels. Joints are tough and has excellent crack resistance. It is also used for cladding on heat resistant stainless steels and cast steels. It is very much suitable for buffer layer prior to hardfacing and for repairing of Mn-steel. The deposited stainless steel weld deposit is heat resistant and non-scaling upto 850°C. The deposited weld deposit is work harden type and gives hardness up to 350 BHN after work hardening. Excellent arc stability, easy slag removal, smooth weld bead appearance with radiographic quality.

Applications:

Best choice for welding crack sensitive steels and Hadfield Manganese steel. Typical applications include for positional joining and repair of manganese steel parts used in Cement plants and Mining industry, Steel plants, Construction and Earthmoving industry, Defence etc. Repair and fabrication of shovel, excavator and dragline buckets, sprockets, track pads and crushers etc. Specially recommended for Armour steel welding in Defence Industry. It is used for joining manganese steel to other steels and for joining armour plates.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Provide clamps or backup plates to minimize distortion of thin plates. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint. On manganese steel, do not alloy base metal temperature to go beyond 250°C. Preheat is usually not necessary unless very heavy sections are involved.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 216 is a Cr-Ni austenitic stainless steel low heat input electrode with extra low carbon suitable for welding of AISI 308L/308/304, 302, 301 type stainless steels, Joining of SS to Low alloy steel or Carbon steels. Especially Cr-Ni chemistry gives controlled ferrite content in weld deposit which offers excellent resistance to cracking, corrosion and high temperature. Excellent arc stability, easy slag removal, smooth weld bead appearance with radiographic quality. Due to extra low carbon, weld deposit reduces the possibilities of carbide precipitation and increases the resistance to inter-granular corrosion.

Applications:

Typical applications include welding of AISI 308L/308/304, 302, 301 type stainless steels, Joining of SS to Low alloy steel or Carbon steels. For fabrication of Stainless steel structures and assemblies such as pipefitting, plate, vessels, tanks, forging and castings in Chemical, Power, Petrochemical, Pharmaceuticals, paper processing plants, Food, Dairy, Distillery industries, Restaurant Equipment, etc. Also used as protective overlay on steel where complete corrosion resistance is required.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Provide clamps or backup plates to minimize distortion of thin plates. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 218 is a low heat input electrode suitable for welding of AISI 309L/309 type, Joining of Stainless Steel to Low alloy steel or Carbon steels. Also for dissimilar metal joints. Deposition of buffer layer on Carbon steel or low alloy steels. Weld deposit with high strength joining, also used for overlays on Carbon and stainless steels for corrosion resistance and high temperature application upto 600°C. Stable arc with less spatter and excellent strike and re-strike during welding.

Applications:

SAITRON 218 is used for dissimilar metal joints. Typical applications include welding of 309L, 308L to carbon steels and low alloy steels, stainless steel piping in refineries and chemical plants. Parting tools, Joining of Hadfield Manganese steel components in earth moving machinery and mining industry, tracks-pads, furnace parts, cooler plates, sugar mill roller journals etc. Corrosion resistance overlay on carbon steel, welding of carbon steel of poor weldability.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 220 is a low heat input electrode suitable for welding of AISI 310 type and similar composition, Joining of SS to Carbon steels. Microstructure is fully Austenitic. Weld deposit with high strength joining, also used for overlays on Carbon and stainless steels for corrosion resistance and high temperature application upto 1100°C. Stable arc with less spatter and excellent strike and re-strike during welding.

Applications:

Typical applications include welding of SS 310 to carbon steels. Excellent resistance oxidation at high temperature makes it best choice for Heat Exchaners, furnace parts, Heat treatment boxes, Kiln Cooler parts, anchor welding etc.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 221 is a Cr-Ni Austenitic stainless steel low heat input electrode developed for heavy section joining of low to medium carbon steel and especially Manganese steel to different steels. Also for dissimilar metal joints. It is easy to use in all position. Excellent arc stability, easy slag removal, smooth weld bead appearance. Weld deposit with high strength joining which is excellent to crack resistance. It is also used for overlays. Stable arc with less spatter and excellent strike and re-strike during welding.

Applications:

SAITRON 221 is used for positional joining of heavy equipments parts in mining, cement, construction, earthmoving and steels industry. Joining of Hadfield Manganese steel components in earth moving machinery and mining industry, shovel, excavators, dragline buckets, tracks-pads, furnace parts, cooler plates, sugar mill roller journals etc. Corrosion resistance overlay on carbon steel, welding of carbon steel of poor weldability.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area by grinding etc. Clamp and tack weld at short intervals. Provide clamps or backup plates to minimize distortion of thin plates. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint. No preheat should be used on manganese steel. Do not allow manganese steel temperature above 250° C.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 224 is a specially design stainless steel low heat electrode with high strength weld deposit, which offers excellent crack resistant joining. It is suitable for dissimilar metal joints with carbon steels, Hadfield Manganese steel, Armour steel, high carbon, alloy steels and generally hard to weld steels. It is used for tough and wear resistant overlays on all steels. Duplex structure of weld deposit with Austenite and high ferrite gives very good weld strength. Welding arc is stable. Strike and re-strike is very good. Slag is complete and removed easily.

Applications:

It is suitable for high strength stainless steel joint with dissimilar metals. Best for dissimilar metal joints with carbon steels, Hadfield Manganese steel, Armour steel, high carbon, alloy steels and generally hard to weld steels. Typical applications are splines, threads, keyways of shafts, spur gear tooth, wear plates of hydraulic excavator buckets, gear box main shafts, counter shafts, leafsprings etc.

Note on Usage:

Rebake the electrodes at 200°C for 1 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Gouge out/grind, worn, damaged and fatigued metal/cracks. Clean weld area. Clamp and tack weld at short intervals. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Peen the weld deposits while hot. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds. Use lower current for dissimilar-metal joint. Preheat is usually not required unless very heavy sections are involved.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 232 is a low heat input electrode suitable for welding of AISI 316L/316, 317, 318 types and similar composition. The special addition of molybdenum increases the creep resistance at elevated temperatures and offers good resistance to pitting corrosion. The controlled carbon content reduces the possibility of intergranular carbide precipitation. The weld metal deposit is resistant to sulphuric, hydrochloric, acetic, phosphoric, citric acid etc. It has a smooth running arc and easy removal of slag. With excellent strike and re-strike during welding.

Applications:

It is an excellent choice for critical fabrication and repair applications of chemical tanks and equipment, textile and other dyeing equipment, paper and pulp mill tanks, pickling tanks, salt processing equipment, alkali tanks, paint and dye industry, as well as in fertilizer industry, etc.

Note on Usage:

Rebake the electrodes at 200°C for 2 hour and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use back up plates to minimize distortion on thin sheets. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON ZF is a low heat input electrode specially developed with “ZERO FERRITE” for applications which required special corrosion resistance. The special addition of molybdenum increases the creep resistance at elevated temperatures and offers good resistance to pitting corrosion. High temperature resistance upto 750°C. The weld metal deposit is resistant to zinc coating tanks, sulphuric, hydrochloric, acetic, phosphoric, citric acid etc. It has a smooth running arc and easy removal of slag. With excellent strike and re-strike during welding.

Applications:

It is an excellent choice for critical fabrication and repair applications of chemical tanks and equipment, textile and other dyeing equipment, paper and pulp mill tanks, zinc coating tanks, pickling tanks, salt processing equipment, alkali tanks, paint and dye industry, as well as in fertilizer industry, etc.

Note on Usage:

Rebake the electrodes at 250°C for 90 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use back up plates to minimize distortion on thin sheets. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 720 is low heat input straight chrome stainless steel electrode designed to weld stainless steels of similar composition and also for overlay on carbon steels. Weld deposit offers excellent resistance to corrosion, erosion and abrasion. Weld deposit is of air hardening type, so requires preheat and post heat treatment to achieve optimum ductility and toughness.

Applications:

Typical applications include surfacing of steel mill rolls, Furnace burner parts, Turbine parts, Refiner plug and socket, Sleeves, Valve seats,etc. Also used on stainless steels like types 410, 416, 420 and cast C-15.

Note on Usage:

Rebake the electrodes at 200°C for 60 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Provide clamps or backup plates to minimize distortion of thin plates. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 742 is low heat input Cr-Ni-Mo martensitic stainless steel electrode designed to weld stainless steels of similar composition and also for overlay on carbon steels. Weld deposit offers excellent resistance to corrosion, pitting and impact loads.

Applications:

Typical applications include joining of similar composition and overlay of continuous-cast rolls, wear parts of steel industry components, Bridge store; depositions to thick areas of water, steam and gas fittings for operating temperatures upto 450°C. Also used for surfacing of steam turbines blades, automobile body parts, valve seats and high pressure valves. It can also be used for the repair of pulp and paper plant equipment, cutlery, components of chemical and food industries.

Note on Usage:

Rebake the electrodes at 250°C for 90 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Before surfacing grinding of the surface is must. If joining martensitic stainless steels, the base metal should be preheated to about 400°C. After welding PWHT is also required. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 760 is low heat input straight chrome stainless steel electrode designed to weld stainless steels of similar composition and also for overlay on carbon steels. Weld deposit is of radiographic quality and offers excellent resistance to corrosion, erosion and abrasion. Weld deposit is of air hardening type, so requires preheat and post heat treatment to achieve optimum ductility and toughness.

Applications:

Typical applications include welding of AISI 430 and similar compositions, also surfacing of machine parts, gears, propeller shafts, oil refinery components, oil burners, automobile body parts, castings, cutlery, components of chemical and food industries.

Note on Usage:

Rebake the electrodes at 200°C for 60 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Provide clamps or backup plates to minimize distortion of thin plates. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 775 is a low heat input Cr-Ni-Mo alloyed all positional electrode developed specially for welding of HV-9A, HV-9, Carpenter 20 stainless steel and similar alloy for high temperature services. This fully austenitic weld deposit possesses excellent corrosion and heat resistance properties up to 1200°C.

Applications:

It is used for welding of HV-9A, HV-9, Carpenter 20 stainless steel and similar alloy and also for welding low and medium carbon steels, low and medium alloy steels etc. used in Chemical industry, Food & Dairy industry, cooling coils of compressors, used in fabrication of equipments & vessels for handling & storage of sulphuric acid and phosphoric acid.

Note on Usage:

Rebake the electrodes at 250°C for 90 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use back up plates to minimize distortion on thin sheets. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal

Description:

SAITRON 752 is a low heat input Nickel based Inconel type electrode which has developed specially for welding critically stressed applications. It may be used for applications at temperatures ranging from cryogenic to around 1800°F, It has an excellent oxidation and corrosion resistance at high temperature and retains impact strength at cryogenic temperatures. It is the best choice where stresses may be problems in austenitic, ferritic and nickel alloys.

Applications:

It is used for cladding and joining. Joining combination of carbon steel, stainless steel, inconel alloys, etc. suitable for Furnace parts, heat-treating parts, continuous casting molds, ingot tongs. Application in various industry such as Iron & steel, Forging, Casting, Foundry, Chemical & Gas plants etc.

Note on Usage:

Rebake the electrodes at 250°C for 90 min. and keep it at 100°C prior to use to prevent blowholes in the weld deposit. Clean weld area. Clamp and tack weld at short intervals. Use back up plates to minimize distortion on thin sheets. Use electrode on AC/DC+ at the lowest amps. Maintain very short arc and chip slag between passes. Avoid weaving. Follow the recommended welding parameters to achieve good sound welds.

Typical Mechanical Properties of Weld Metal