Impact resistant cored wires
Low-alloy, slag-carrying cored wire electrodes for a wide variety of applications.
Cored wires and wear protection directly from the manufacturer
Corthal® 300 Cored Wires
Is a low alloyed and slag leading flux cored electrode for surfacing of medium hardness. The deposited weld metal is tough and crack-free. The thickness of the overlay can be selected as required, but the interpass temperature should not exceed 250°C.
The welding wires are used for rope pulleys, rails, crane track wheels, shafts, support rollers of crawler vehicles and guide rollers.
The hardness grade is 280 - 325 HB.
Corthal® 310 Cored Wires
Is a flux cored electrode for build-up welding under shielding gas or powder. The corrosion-resistant deposited weld metal has a medium hardness and is resistant to metal/metal wear as well as continuous stress under heat and high surface pressure, and has good mechanical workability.
The welding wires are used for continuous casting rolls.
The hardness grade is 43 - 45 HRc.
Corthal® 337 Cored Wires
Is a flux cored electrode to be welded under shielding gas of the powders for surfacing parts in the steel industry. The deposited weld metal has good wear resistance and good thermal fatigue properties.
The welding wires are used for guide rollers and back-up rollers.
The hardness grade is 48 - 50 HRc.
Corthal® 356 Cored Wires
Is a CrNiMo-alloyed cored wire electrode. The corrosion resistant weld metal of medium hardness provides good resistance to impact wear as well as wear under continuous exposure to heat and high surface pressure. Application should be made in 2-3 layers.
For use in continuous casting rolls and roll surfacing against hot wear.
The hardness grade is 40 - 42 HRc.
Corthal® 400 Cored Wires
Is a low-alloyed cored wire electrode. The settled tough weld metal of medium hardness can be welded in several layers without cracking. It is resistant to impact stress and can be machined.
The welding wires are used for journals, guide rollers, auxiliary rollers, rope sheaves and track rollers.
The hardness grade is 38 - 42 HRc.
Corthal® 440 Cored Wires
Is a Cr-, Ni-, Mo- and V-alloyed flux cored electrode for submerged arc welding. The deposited corrosion-resistant weld metal of medium hardness is resistant to impact stress as well as wear under continuous exposure to heat.
The welding wires are used for roller tables and rollers in the hot area.
The hardness is up to 480 HB.
Corthal® 450 Cored Wires
Is a low alloy flux cored wire electrode. The settled tough weld metal of medium hardness is resistant to impact stress, can be forged and can be machined. For base metals with higher carbon content, a buffer layer or appropriate preheating should be provided.
For use in wheel rims, chain links, bucket chains, guide rails and crane track wheels.
The hardness grade is 42 - 45 HRc.
Corthal® 476 Cored Wires
Is a flux cored electrode for build-up welding under shielding gas or powder. The corrosion resistant weld metal of medium hardness provides good resistance to impact wear as well as wear under continuous exposure to heat and high surface pressure. Hardfacing should be done in 2-3 layers.
The welding wires are used for roller hardfacing against hot wear - preferably in steelworks.
The hardness grade is 48 - 50 HRc.
Corthal® 502 Cored Wires
Is a flux cored electrode for submerged arc welding. The martensitic-ferritic weld metal of medium hardness is corrosion resistant and offers good resistance to metallic fretting wear as well as wear under continuous exposure to heat and high surface pressure.
For use in roll welding.
The hardness grade is 48 - 51 HRc.
Corthal® 580 Cored Wires
Is a C-, Cr-, Mo-, W-, V- alloyed flux cored electrode for surfacing parts subjected to high impact and pressure loads associated with metal-to-metal wear and high temperatures.
For use on guide rollers and hot work tools.
The hardness grade is 48 - 52 HRc.
Corthal® 603 Cored Wires
Is a flux cored electrode for abrasion and impact resistant hardfacing. The weld metal is hard, tough and can be applied without cracking. For welding-sensitive base materials, a buffer layer with Corthal® 200 K / 250 K is recommended, or preheating matched to the base material.
The welding wires are used for sealing seats on blast furnace bells and roller overlays.
The hardness grade is 46 - 48 HRc.
Corthal® 600 TiC Cored Wires
Is a C-, Cr-, Mo- and Ti alloyed flux cored electrode for crack insensitive hardfacing on parts subjected to high abrasive wear in combination with impact and compressive stress. The microstructure consists of a martensitic matrix with intercalated, highly wear-resistant titanium carbides.
The welding wires are used in cement rollers, crusher rollers, crushing hammers and crushing machines.
The hardness grade is 56 - 59 HRc.
Corthal® 600 Cored Wires
Is a flux cored electrode for abrasion and impact resistant hardfacing on construction and machine parts. The heat-resistant weld metal is hard, tough and can be applied without cracking. For welding-sensitive base materials, a buffer layer with Corthal® 200 k or Corthal® 250 is recommended.
The welding wires are used for excavator teeth, excavator blades, crusher rollers, impact bars, shredding equipment and crushing hammers.
The hardness grade is 53 - 56 HRc.
Corthal® 601 Cored Wires
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The hardness is 54 - 58 HRC.
Corthal® 606 Cored Wires
Is a flux cored electrode for abrasion and impact resistant hardfacing. The deposited weld metal is hard, tough and crack-free. For welding-sensitive base materials, a buffer layer with Corthal® 200 K / 250 K is recommended.
The welding wires are used for excavator teeth, excavator blades, crusher rolls, impact bars, shredding equipment, road construction and crusher hammers.
The hardness grade is 55 - 57 HRc.
Corthal® 609 Cored Wires
Is a flux cored electrode for abrasion and impact resistant hardfacing on construction and machine parts. The weld metal is hard, tough and can be applied without cracking. A buffer layer of Corthal® 250 K is recommended for weld-sensitive base materials.
The welding wires are used for excavator teeth, excavator blades, crusher rollers, impact bars, shredding equipment, crushing hammers and road construction.
The hardness grade is 55 - 57 HRc.
Corthal® 612 Cored Wires
Is a flux cored electrode whose ferritic-martensitic weld metal is characterized by high corrosion and abrasion resistance in water and steam (up to 500°C). Due to the self-polishing effect, the alloy is especially used in metal-metal friction stress.
The welding wires are used in guide rollers, liquid pumps, valves, gravel pumps, suction dredgers and fittings.
The hardness grade is 54 - 56 HRc.
Corthal® 622 Cored Wires
Is a flux cored electrode whose martensitic weld metal, with intercalated niobium carbides, is characterized by high resistance to metal-to-metal frictional stresses at elevated temperatures. The deposited weld metal offers good resistance to wear and does not tend to fatigue even at elevated temperatures.
The welding wires are used in slab presses, driver rolls and spiked rolls.
The hardness grade is 55 - 58 HRc.
Corthal® 634 Cored Wires
Is a flux cored electrode for surfacing using the OA process or inert gas. The deposited weld metal provides good resistance to corrosion.
The welding wires are used for mixer blades and mixer pans.
The hardness grade is 48 - 50 HRc.
The information presented represents the current view at the time of the specified revision level. Further product development may change these. The details have no legal effect.