FCW/MCW Hardfacing

Routile flux cored wire for difficult welded steels and stainless steels against regular steels. Joining and hardsurfacing parts, buffer layers before hardfacing to avoid cracks and welding tool steels, manganese steels and so on.

Metal cored wire for difficult welded steels and stainless steels against regular steels. Joining and hardsurfacing parts, buffer layers before hardfacing to avoid cracks and welding tool steels, manganese steels and so on.

DURMAT® FD 200 K is a flux core wire of the CrNiMn-type (1.4370). The complete austenitic weld material shows high plasticity and can be applied as a buffer layer. The deposits can be work hardened, are heat resistant up to 850° C, stainless and not magnetic. DURMAT®FD 200 K is suitable for welding steels with more than 0.7 % C and other difficult combinations, because it deposits a most ductile weld metal. The deposits resist high shrinkage and impact stresses. Application: Repair of: manganese steel buckets and shovels, high tensile tools and dies, clutches, crane wheels, earthmoving undercarriage parts, gear wheels, etc.

Rörtråd för påsvetsning.Medelhård rörtråd för ytbeläggningar.Svetsgodset är svarvbart .Påsvetsning av slitagedelar, räls,skenkors, hjulflänsar, bärhjul, rullar, axlar, drev, pumphjul och ventiler.

DURMAT® FD 250 K is a flux core wire of the Mn-Cr-type. The complete austenitic weld material shows high plasticity and can be applied as a buffer layer. Deposits can be work hardened up to 500 HB, are stainless and not magnetic. The deposits resist high shrinkage and impact stresses. Application: Repair of manganese steel buckets and shovels, high tensile tools and dies, clutches, crane wheels, earthmoving undercarriage parts, gear wheels, etc.

Austenitic matrix resistant to corrosion, erosion and cavitation. Hot cracking resistant. Special applications: Water turbines, valves and components in the field of hydraulic or gas plants.

Routile flux cored wire with high resistance to punshing and pressure. The deposit is work hardenable and withstand oxidation and higher temperatures. Used for overlay and build up on Mn-steels. Special applications: Overlay on rail crossings, frogs, swing hammers, gears and rods on crushers equipment.

Lik Meltolit 725 men hårdare, ca 425 HB.

Medelhård rörtråd för påsvetning för ytbeläggningar. Beständig mot abrasivt slitage samt tryck och slagpåkänning. Högayttryck. Slitagedelar, transportrullar, grävtänder och maskindetaljer/maskindelar samt krossverktyg.

Hård rörtråd för påsvetsning på arbetsstycken utsatta för slitage. Högt utbyte med god beständighet mot slitage . Beständig mot abrasivt slitage samt tryck och slagpåkänning. Påsvetsning på slitagedelar till maskiner (ex jordbearbetningsmaskiner, transportörer etc.), kanter, knivar, tänder, valsar, sandtransportörer, pumpar, grävtänder samt maskindelar.

Flux cored wire with stainless FeCrCoMo-alloy deposit. High wear protection in elevated temperatures, high tensile strenght, metal to metal wear and thermical chocks. Special applications: Forging presses, hot piercing dies, stretching rolls, pinch rolls, hot strip mill table rolls and back-up rolls.

DURMAT® FD 601 is a flux core wire which enables a CrMoWV alloyed deposit for semi automatic and automatic surfacing. The weld metal enables hardness up to 60 HRC even with relatively slow cooling rates. Crack resistance is good in case of adequate preheat and interpass temperature together with slow cooling after welding. Resistance to tempering is good.
Application: Parts subjected to abrasion, impact and compressive loads, sand pumps, dredge pump
parts, dredge ladder rolls, tool - joints , etc.

High Cr-alloyed flux core wire for wear resistant hardfacing with a ferritic – martensitic micro structure. The welding deposit is high resistant against impact stress and medium abrasion. The deposit is despite the high hardness crack free also in multiple layers and can be used up to 700° C. Applications: Crusher wheels and hammers, rock processing shredders, cutting-tools, and fluid valves and protection welding on Mn-Hadfield-steel.

DURMAT® FD 600 TIC is a flux core wire for hard facing. The deposit is tough and not sensitive to impact loads. It shows excellent resistance to impact in combination with abrasion. Application: Roller Press, bucket teeth and lips, sand pumps, impellers and screws.

Excellent resistance to abrasion and medium impact up to 450°C. Best results by welding in two layers. Cannot be heat treated, machined or forged. Application: Waste crushing, shredder equipments , conveyer screws, pumps, mixer parts, shovel-buckets, scrapers, fan-blades, etc. Hardness: 58 - 59 HRc

DURMAT® FD 55 is a flux core wire which deposits a high CrC-alloyed stainless weld metal with excellent resistance to abrasion and medium impact. It can be used whenever high abrasion accompanied by corrosion is expected. Best results are achieved by welding in two layers. A maximum deposit thickness of 8 mm is recommended. The resulting deposits can not be heat treated, machined or forged. Before overlaying previously hardfaced surfaces a buffer layer of DURMAT® FD 200 K or DURMAT® FD 250 K is recommended. Application: Piping, impellers and screws.

DURMAT® FD 55 Mo is a flux core wire, which deposits a high C-Cr-Mo-alloyed stainless weld metal with excellent resistance to abrasion and medium impact. It can be used whenever high abrasion companied by corrosion is expected. The additional alloyed 1.3 % Mo enables a higher warm strength of the deposit in comparison to DURMAT FD 55. Best results are achieved by welding in two layers. A maximum deposit thickness of 8 mm is recommended. The resulting deposits can not be heat treated, machined or forged. Before overlaying previously hardfaced surfaces a buffer layer of DURMAT® FD 200 K or DURMAT® FD 250 K is recommended. Application: Bucket teeth and lips, sand pumps (wet sand possible), catalyst piping, impellers and screws.

DURMAT® FD 59 L is a flux core wire, which deposits a high CrC-alloy. It can be used whenever high abrasion accompanied by corrosion is expected. It is not recommended for impact wear conditions. URMAT® FD 59 L is deposited crack free by controlling the operational conditions. It is recommended that the work piece be preheated up to 450°C and this temperature maintained throughout the complete welding process. After Welding, the component should be cooled slowly preferably in the furnace. Best results are achieved by welding in two layers. A maximum deposit thickness of 8 mm is recommended. The resulting deposits cannot be heat treated, machined or forged. Before overlaying previously hard faced surfaces a buffer layer of DURMAT® FD 200 K or DURMAT® FD 250 K is recommended.
Application: Hardfacing on pumps, mixers, impellers and screws, particularly when these parts are subject to wear by abrasion and corrosion.

DURMAT FD 62 is a high C-Cr-alloyed flux core wire. The alloy is especially made for overlaying parts which are exposed to very extreme abrasive mineral wear related to the high amount of hard phases ike hypereutectic M7C3-carbides. For best results avoid to apply the hardfaced area to pounding or impact load. DURMAT FD 62 should be applied in 2 layers with a maximum height of 10 mm. Before verlaying a previously hardfaced surface a buffer layer of Meltolit 707 FCW or DURMAT FD 200 K is recommended.
Application: Wear plates, spiked rollers, cement and concrete pumps, dredging teeth, slag breakers,
coke oven slides and Ni-Hard IV.

DURMAT FD 64 is a C-Cr-B-alloyed flux core wire resistant to heavy mineral abrasion at elevated temperature. Before overlaying a previously hardfaced surface a buffer layer of Meltolit 707 FCW or
DURMAT FD 200 K is recommended.
Application: Cement industry, mineral and brick industry, mining industry and parts subject to heavy wear
in combination with temperature.

DURMAT® FD 65 is a flux core wire for hardfacing application especially with extreme abrasive wear even at elevated temperatures. The deposit has a ledeburitic structure with many different very hard types of carbides. DURMAT® FD 65 is used where extreme abrasive wear is expected even at elevated temperatures up to 600°C. The deposit is free of slag, weldability is excellent. Best results are achieved by welding in two layers. A maximum deposit thickness of 8 mm is recommended. The resulting deposits cannot be heat treated, machined or forged. Before overlaying previously hardfaced surfaces a buffer
layer of DURMAT® FD 200 K or DURMAT® FD 250 K is recommended. Application: Blast furnace bells, coke oven screens and doors, sinter wheel breakers, smelter loading chutes, etc.

C-, Cr-, V-, Nb-alloyed flux core wire against extreme mineral wear. The weld deposit has a high scratch hardness.  The resulting deposits cannot be heat-treated, machined or forged. Before overlaying previously hardfaced surfaces a buffer layer of DURMAT FD 200 K or Meltolit 707 FCW is recommended. Applications: sinter plants, lignite mining machines, gravel industry, chains, clinker industry, concrete pumps.

DURMAT FD 79 is a self-shielded flux-cored wire electrode, with a high amount of chrom-, vanadium and niobium carbides as well as extra hard metal borides. According to the high content of alloy  omponents the hard facing resists mineral wear even at elevated temperatures. Wear resistance will be given up to and service temperature of approx. 650 °C. Best results will be achieved by welding in two layers. The hard facing should not be loaded with impact or shock stress. In-sensitive base materials or before overlaying previously hard faced surfaces a buffer layer of DURMAT ® FD 250 K is recommended and or appropriate preheating is recommended. The hardness decreases at 400 ° C by 8% at 650 ° C by about 20%. APPLICATION: Sand- and concrete pumps, mixer parts, conveyer screws, Hardfacing on parts for coal mining equipment, cement and mineral industries.

FD 733 is a flux core wire containing extremely hard chrome-carbides and niobium-carbides embedded in a FeBC matrix. The weld deposit is very fine-grained and extremely hard – also in the first layer 67 HRC can be achieved. It is suitable for hardfacing on parts requiring high abrasion resistance with at the same time minor impact resistance and wear resistance up to a working temperature of approx. 450 °C. Applications: Worm conveyer screws, sand-preparing plants, dredgers, mixers, ceramic industry, fan baffles, pump casings, briquette plants etc.

DURMAT® FD 739 is an iron based flux cored wire containing complex carbide phases which are precipitated more fine than in common used hardfacings. These layers show a better resistance against abrasive and erosive load because of the finely divided hard particles which have a submicron grain size. This fine structure results of the advantage concerning the percentage contact area of the fine hard phases in comparison to common hard phse grain sizes. Application: On parts with high abrasive and erosive load, which could be superposed by corrosive attack.

DURMAT NIFD is a flux cored wire filled with fused tungsten carbide and NiCrBSi- matrix for semi-automatic welding application. DURMAT NI-FD was developed to protect surfaces against extreme abrasive wear in combination with corrosion attacks.  The matrix is highly resistant to acids, bases, lye and other corrosive media. Applications: Repairing and hard facing ferritic and austenitic steel tools and machine parts (steel casting). Specially developed for semi and fully automatic welding on tool joints and stabilizers in the petroleum industry.

DURMAT® FD WZ 55 is a cored wire which deposits an air hardening and wear resistant alloy and can be applied to reclaim hot-forging dies and to overlay the edges and flat areas of low alloyed high density steel tools. Application: Slab shears, hot-forging dies, hot shear blades drawing dies, containers, crushing equipment and depressions created by forging, pressure and impact stress.

The wear and heat resistant deposit of this flux-cored wire electrode in high speed steel quality is suitable for repair and manufacture of hot and cold working tools, stamps and counter dies. etc. The weld deposit can be heat treated and has a retention of hardness up to 550 °C. Application: high speed steel tools, pinion-type cutters, chisels

Austenitic-ledeburitic structure. The hardest of the standard cobalt base alloys. Great resistance to corrosion, especially to reducing acids, impact, extreme wear and temperature shocks. Only machinable by grinding. Application: wear pads, rotary seal rings, pump sleeves; centre less grinder work rests, etc. Tensile strength: 630 N/mm2 Hardness: 55 HRc (20°C), 44 HRc (600°C), 34 HRc (bei 800°C)

Austenitic-ledeburitic structure. The hardest of the standard cobalt base alloys. Great resistance to corrosion, especially to reducing acids, impact, extreme wear and temperature shocks. Machinable by hard faced tools. Application: Steam and chemical valves, equipment handling hot steel such as tong bits, shear blades, pumps for high temperature liquids, etc. Tensile strength: 900 N/mm2 Hardness: 40 - 43 HRc (20°C), 35 HRc (300°C), 29 HRc (600°C)

Austenitic-ledeburitic structure. Improved wear resistance compared to DUROLIT 6, used for applications exposed to reduced mechanical shock. Machinable by hard faced tools. Application: Cutting edges of long knifes and other tools used in the wood, plastic, paper, carpet and chemical industry, etc. Tensile strength: 850 N/mm2 Hardness: 45 - 48 HRc (20°C), 37 HRc (300°C), 32 HRc (600°C)

Meltolit Co21 is the toughest cobalt alloy with the highest corrosion and thermal resistance of all cobalt-base alloys. The weld deposit is machineable. Applications: Components which are exposed to high temperatures, corrosion and impact stress, such as valve seats, components in the chemical industry.