selectarc - Fsh · PDF fileselectarc Electrodes€for ......

selectarcElectrodes for

Cement Plants andQuarries

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Introduction

Due to continuous wear during the various stages in Cement production, maintenance and repairwelding is an important consideration. The table below gives a selection of electrodes used for thispurpose.

Selection Table

Selectarc Electrodes for Wear Type

HBAE10UM60GRZ

High chromium carbide deposit with excellentresistance to mineral abrasion combined withmoderate impact.Virtually Slagfree deposit.For components subject to low or moderate shockcombined with good resistance to abrasion.

For continuous screws, mixer paddles, pump bodiesfor abrasive materials, excavator teeth, crushers,concrete pumps, brick extruder screws, wear and,chute plates.

Hardness: 6063 HRC

Mineral AbrasionModerate Impact

HB63E10UM60GRPZ

High chromium carbide deposit for excellentresistance to mineral abrasion combined withmoderate impact. Selfreleasing slag.Very smooth surface.

Exhaust fan blades, chute plates

Hardness: ~60 HRC

Mineral AbrasionModerate Impact

HB65E10UM65GR

High efficiency (190%) electrode, resistant to severeabrasion up to 300°C.Virtually Slagfree deposit.

"Fuller" pump screws, conveyor screws,exhaust fan blades.

Hardness : ~64 HRC

Heavy Mineral Abrasion



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HB66E10UM65GRZ

High efficiency (200%) electrode resistant to extremeabrasion and moderate impact up to 550°C.

Clinker cooler screen plates, clinker crusher hammerhooks, various types of crusher parts, crusher jaws,borer bits, slag crushers.

Hardness : ~65 HRC

Heavy Mineral Abrasioncombined with heat

HRT60WCE 21UM62G

Tungstencarbide filled tubular electrode. Deposithighly resistant to abrasion without impact. Steelmatrix with a high amount of tungsten carbides andan exceptional resistance to scraping abrasion. .Smooth fusion and a stable arc, the slag is easilyremoved. The weld deposit is not machineable.Surfacing of parts, which are subject to extrememineral abrasion. Maximum 2 layers.

For concrete and sand mixer blades, conveyerscrews, brick dies, shredder knives, etc.

Extreme Mineral Abrasion

HB61BE6UM60S

Basic coated, generalpurpose hardfacing electrodefor applications subject to impact, compression andabrasive wear.For hardfacing of components made of Csteel, caststeel and Manganese steel. The deposit is toughhard and crack resistant.

Excavator buckets, shovel bucket teeth, chisels,miner’s bars, etc.

Hardness: ~58 HRC

Abrasion and Impact

HB61RE6UM60S

Rutilebasic coated, generalpurpose hardfacingelectrode for applications subject to impact,compression and abrasive wear. Approx. 120%.electrode recoveryFor hardfacing of components made of Csteel, caststeel and Manganese steel. The deposit is toughhard and crack resistant.

Hardfacing of block presses, crusher jaws, wheelrims, rollers, caterpillar tracks, ploughshares, runningsurfaces, cutting edges etc.

Hardness : ~ 60 HRC

Abrasion and Impact



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HB14MnE7UM250KP

Rutilebasic coated electrode, suitable for surfacingall components subject to severe impact. Frequentlyused as a cushion layer prior to hardfacing, whereheavy deposits are required. Allows substantial buildup followed by I or 2 abrasion resistant final layers,(HB 63). The deposit is exceptionally resistant towear combined with impact.

Repair of shovel buckets, crusher jaws, clay andclinker crusher hammers, rock crushers, excavatorand grab teeth.

Hardness : as welded ~ 230 HB; after workhardening up to 500 HB

Mineral Abrasion andheavy Impact

HB300BE1UM300P

Basic coated electrode tough, semihard,machineable deposit with approx. 120% recovery, forsurfacing of equipment parts and tools. Resistant tomoderate friction and compression highly resistantto shock dense, crackfree deposit.

Mandrels, gear teeth, chains.Mainly used for heavy build up and as cushion layer..

Hardness: ~300HB

Compression andShock loading

B90ENiCrFe3

ENi6182

Semisynthetic basic electrode with 140% recoverywith an “Inconel 600” * alloy deposit.Resistant to high temperature.High integrity repairs, dissimilar joints, difficult to weldsteels.

Repairing cracks on clinker cooler screening plates,Rotary Kiln Rings and Rotary Kiln Rolls.

Cracks

Ni82ENi6082

Basic coated Nickel base electrode with very highductility and elongation for repair and constructionwelding.Resistant to temperatures up to ~ 900 °C.High integrity repairs, dissimilar joints, difficult to weldsteels.

Repair of cracks in clinker cooler screening plates,Oven rollers and tyres, anchors for clay crusherhammers, repair of clinker cooler screens andsupports, cooler screen control levers, cement kilnburner liners.

Cracks



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29/9E31216E29 9 R32

Austeniticferritic deposit with excellent mechanicalcharacteristics.Machineable deposit.

Universal repair electrode.Overlay of crankshaft bearings of clinker coolers

Repairs

Inox308MoE308Mo17

E20 10 3 R32

Rutilebasic coated stainless steel type electrodewith an austeniticferritic structure used to welddissimilar joints between construction/mild steels andstainless steels.Due to its high level of delta ferrite (~25%) also usedas a universal repair electrode in maintenancewelding. Highly crack resistant. Soft fusion, niceaspect of the bead, selflifting slag.

Repairs

307R~E307R16E18 8 Mn R32

Fully Austenitic (nonmagnetic) rutilecoatedelectrode for joining and overlaying of manganesesteels (up to 14% Mn), high sulphur and phosphoruscontaining steels, also for joining dissimilar steels,construction steels to stainless steels, for cushionlayers prior to hardfacing. Repair of componentssubject to shock or frictional wear.

Repairs

18/8Mn~E30726E18 8 Mn R73X

Rutilebasic electrode with high recovery (160%).Fully austenitic stainless steel deposit with a highMncontent. For welding and cladding of 14% Mnsteels (Hadfields), dissimilar joints, difficult to weldmaterials, cushion layers prior hardfacing and repairof components subject to shock. Easy to use, softfusion, low spatter, easily removable slag, regularweld bead, highly crack resistant deposit

Crusher hammers.Repai of digger buckets, screening steels.

RepairsHeavy impact

48SPE6013E42 0 RC11

Special rutile cellulosic mild steel electrode for use inall positions, including vertical down.Good operability, easy strike, forceful arc with goodpenetration.Ideal for use on poorly prepared surfaces (oil,grease, oxides). Exceptional ease of use.

General use.Recommended for poor quality steels.

Repairs



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B7016SpE7016E38 2 B 12

Basic coated electrode with exceptional weldingcharacteristics due to its double coating. Arc very stable in all positions. Virtually spatter free,easily removable slag. Universal use for all metalconstruction and repairs. Recommended for rootpasses and on badly prepared joints.

Recommended for root passes and on poorlyprepared joints.

Repairs

B73E9018D1E55 4 MnMo B42

Low hydrogen basic coated electrode with high yieldstrength for welding fine grain steels operating attemperatures between 50 to +500°C. Heat treatable,low alloy, CMn steels.

To weld higher strength carbon steels.

RepairsHigh Strength

B63E8018B2E CrMo1 B42

Lowhydrogen, basic coated electrode alloyed with1.%Cr and 0.5%Mo. Resistant to temperatures up to 500550°C.

For welding creep resisting steels T/P11; T/P12 ;15Mo3; 25CrMo4.

RepairsCreep resistant

BimetalNiFeE NiFeCI

Graphitebasic coating, «Bimetal» core wire with highelectrical conductivity. The «Bimetal» core wireallows high deposition rates with direct current aswell as with alternative current, without any risk ofoverheating the electrode.

For repair and construction welding on all cast irontypes and dissimilar joints between cast iron andsteels.

Repair

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