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UTP Maintenance repair alloys are engineered for rebuilding worn components, restoring damaged structures, joining unknown steels, and handling crack-sensitive repairs in industrial and mining environments. Products are grouped by repair type to simplify selection and improve reliability in field maintenance.
General Structural & Steel Repair Alloys
General Structural & Steel Repair Alloys
For repairing carbon steel, alloy steel, and mixed-steel components in frames, housings, brackets, shafts, and heavy equipment.
UTP 7015 HL - Tough Low-Hydrogen Stick Electrode for Structural Repair
UTP 7015 HL - Tough Low-Hydrogen Stick Electrode for Structural Repair
Description: Low-hydrogen electrode for structural repair of carbon and low-alloy steels, suitable for demanding repairs with good ductility and fusion characteristics.
Classification: EN ISO 2560-A E 42 5 B 42 H5; AWS A5.1 E7015.
Format: Covered electrode (stick electrode, e.g., 2.5-5.0 mm x 300-450 mm) - compliant with Canadian CSA standards.
Benefits: Good impact toughness, low cracking tendency, suitable for restrained joints; excellent ductility and fusion for demanding repairs.
Applications: Frames, brackets, supports, thick structural sections, and machine bases.
Hardness: 200-250 HB (as-welded).
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
UTP ROBOTIC 6011 (NEW) - Gas-Shielded Metal-Cored Wire for Field Repairs
UTP ROBOTIC 6011 (NEW) - Gas-Shielded Metal-Cored Wire for Field Repairs
Description: Seamless metal-cored wire for high-performance repair and rebuild, ideal for field repairs on dirty, painted, or weathered steel with unmatched reliability and simple use.
Classifications: EN ISO 14700 T Fe13; DIN 8555 MSG 10-GF-65-GP.
Format: Metal-cored wire (1.2-1.6 mm) - compliant with Canadian CSA standards.
Benefits: Excellent arc stability through contaminants, strong ductile welds, ideal for poor joint access; low spatter and high deposition rate
Applications: Field structural repairs, emergency repairs in underground environments, and weathered material.
Hardness: 62-67 HRC (on surface deposit).
UTP 7015 Mo - Low-Hydrogen Stick Electrode for High-Strength Steel
UTP 7015 Mo - Low-Hydrogen Stick Electrode for High-Strength Steel
Description: Basic-coated electrode for high-strength repair of fine-grained structural steels, providing controlled hydrogen levels to prevent cracking while delivering a smooth weld pool and excellent toughness for critical joins.
Classification: EN ISO 2560-A E 46 6 MnMo B 42 H5; AWS A5.5 E7015-A1.
Format: Covered electrode (stick electrode, e.g., 2.5-4.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Minimized hydrogen content for crack-free welds; superior toughness and smooth pool for high-quality finishes; enhances durability in high-stress, load-bearing structures.
Applications: High-strength frames, pressure-bearing components, structural machinery repair in heavy equipment.
Hardness: 200-260 HB (as-welded).
UTP 7018 - Low-Hydrogen Stick Electrode for High-Strength Steel
UTP 7018 - Low-Hydrogen Stick Electrode for High-Strength Steel
Description: UTP 7018P is a premium, low-hydrogen repair electrode tailored for high-strength structural steel, providing controlled hydrogen levels to prevent cracking while delivering a smooth weld pool and excellent toughness for critical joins. It's suited for pressure-bearing components and heavy frames, offering reliable performance in mining applications where operational uptime is essential.
Classifications: EN ISO 2560-A E 46 4 B 42 H5; AWS A5.1 E7018.
Format: Covered electrode (stick electrode, e.g., 2.5-5.0 mm x 300-450 mm) - compliant with Canadian CSA standards.
Benefits: Minimized hydrogen content for crack-free welds; superior toughness and smooth pool for high-quality finishes; enhances durability in high-stress, load-bearing structures.
Applications: High-strength frames, pressure-bearing components, structural machinery repair in heavy equipment.
Hardness: 200-260 HB (as-welded).
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
Additional Suggestions: UTP 614 Kb – contact us for details.
Build-Up & Rebuild Alloys (Before Hardfacing)
Build-Up & Rebuild Alloys (Before Hardfacing)
UTP Wearstick DUR 250 - Tough Build-Up Stick Electrode for Rolling Wear
UTP Wearstick DUR 250 - Tough Build-Up Stick Electrode for Rolling Wear
Description: Basic-coated electrode for tough surfacing against rolling wear, suitable for parts requiring a tough, easily machinable deposit, like rails, gear wheels, shafts, and other components on farming and construction machinery.
Classifications: EN ISO 14700 E Fe1; DIN 8555 E 1-UM-250.
Format: Covered electrode (stick electrode, e.g., 2.5-5.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Ductile and crack-resistant – ideal buffer for hardfacing, easy to weld and finish; excellent resistance to compression and rolling strain.
Applications: Bucket lips, dozer edges, rebuilding shafts or wearing parts.
Hardness: Approx 270 HB
UTP Wearstick DUR 300 - Medium-Hard Build-Up Stick Electrode
UTP Wearstick DUR 300 - Medium-Hard Build-Up Stick Electrode
Description: WEARSTICK DUR 300 is a coated electrode designed for medium-hard surfacing of higher-strength structural parts. Machinable deposits provide a strong foundation for hardfacing, resisting wear from friction and moderate impact while allowing easy post-weld processing. It's particularly effective for rebuilding mining components exposed to ongoing operational stress.
Classifications: EN ISO 14700 E Fe1; DIN 8555 E 1-UM-300.
Format: Covered electrode (stick electrode, e.g., 3.2-5.0 mm x 350 mm) - compliant with Canadian CSA standards.
Benefits: Good weldability, machinable deposits, compatible with all hardfacing overlays; excellent resistance to compression and rolling strain.
Applications: Shafts, seating surfaces, and wear pads in heavy machinery.
Hardness: 280-340 HB
WEARMIG DUR 250 - Solid Wire for Wear-Resistant Build-Ups
WEARMIG DUR 250 - Solid Wire for Wear-Resistant Build-Ups
Description: This solid wire (prior UTP A DUR 250) is universally used for MAG buildups on structural parts subject to rolling wear where good machinability is required, such as rails and rail crossings. It offers excellent resistance to compression and rolling strain and is easily machinable, making it suitable for buffer layers or buildups requiring more than three layers.
Classification: EN ISO 14700 S Fe1; DIN 8555 MSG 1-GF-250-P.
Format: MIG/MAG solid wire (e.g., 1.0-1.6 mm) - compliant with Canadian CSA standards.
Benefits: Excellent resistance to compression and rolling strain; easily machinable weld metal for precise finishing; ideal for buffer layers in multi-layer applications.
Applications: Buildups on rails, rail crossings, and structural parts in mining and steel mills are subject to rolling wear.
Hardness: Approx. 250 HB.
Additional Suggestions: UTP DUR 350 – contact us for details.
Cast iron repair alloys
Cast iron repair alloys
For cold-welding, machinable repairs, and crack-sensitive cast iron components.
UTP 8 - Pure Nickel Stick Electrode for Cast Iron
UTP 8 - Pure Nickel Stick Electrode for Cast Iron
Description: Graphite-basic coated pure-nickel stick electrode for cold welding of grey and malleable cast iron, cast steel, and joining to steel, copper, or copper alloys in repair and maintenance.
Classifications: EN ISO 1071 E C Ni-Cl 1; AWS A5.15 E Ni-Cl.
Format: Covered electrode (stick electrode, e.g., 2.5-4.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Very soft, machinable deposits with low risk of cracking; excellent welding properties; spatter-free at minimal amperage, no undercutting
Applications: Engine blocks, gear housings, machine bases.
Hardness: Approx. 180 HB
UTP 86 FN - Ferro-Nickel Stick Electrode for Cast Iron
UTP 86 FN - Ferro-Nickel Stick Electrode for Cast Iron
Description: Graphite-basic coated FeNi stick electrode for joining and surfacing grey cast iron (EN GJL 100-400), nodular cast iron (EN GJS 400-700), and malleable cast iron (EN GJMB 350-650), as well as joining to steel or cast steel
Classifications: EN ISO 1071 E C NiFe-13; AWS A5.15 E NiFe-Cl.
Format: Covered electrode (stick electrode, e.g., 2.5-4.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Highly crack-resistant and easily machinable; high current capacity and deposition rate; smooth bead appearance.
Applications: Repair of nodular cast iron in mining tools.
Hardness: Approx. 220 HB
UTP 5 (Ni-Cu) - Monel-Type Stick Electrode for Cast Iron
UTP 5 (Ni-Cu) - Monel-Type Stick Electrode for Cast Iron
Description: Graphite-basic coated NiCu stick electrode for cold welding of cast iron and mixed-metal repairs.
Classifications: EN ISO 1071 E C NiCu-1; AWS A5.15 E Ni-Cu-B.
Format: Covered electrode (stick electrode, e.g., 2.5-4.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Good corrosion resistance in fluid-exposed environments; machinable with low heat input.
Applications: Pump housings, valve bodies in mining slurries.
Hardness: Approx. 160 HB
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
UTP 83 FN - Ferro-Nickel Stick Electrode for Cast Iron
UTP 83 FN - Ferro-Nickel Stick Electrode for Cast Iron
Description: Graphite-basic coated FeNi stick electrode for surfacing and repair of all commercial cast iron grades, such as lamellar grey cast iron and nodular cast iron.
Classifications: EN ISO 1071 E C NiFe-11; AWS A5.15 E NiFe-Cl.
Format: Covered electrode (stick electrode, e.g., 2.5-4.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: High crack resistance; machinable with good colour match.
Applications: Repair of lamellar grey cast iron and nodular cast iron in heavy machinery.
Hardness: Approx. 190 HB
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
Additional Suggestions: UTP 85 FN – contact us for details.
CRACK-SENSITIVE & UNKNOWN STEEL REPAIRS
CRACK-SENSITIVE & UNKNOWN STEEL REPAIRS
For repairs where the base material cannot be identified or is known to crack easily.
UTP 65 D – Crack-Resistant Austenitic-Ferritic Stick Electrode
UTP 65 D – Crack-Resistant Austenitic-Ferritic Stick Electrode
Description: This rutile-coated austenitic-ferritic special electrode is for repairing difficult-to-weld steels, featuring a stable arc, self-lifting slag, and extreme crack resistance that makes it ideal for unknown or high-manganese alloys. It delivers finely rippled seams and work-hardening properties, ensuring durable performance in high-stress mining repairs.
Classifications: EN ISO 1600 E 29 9 R 3 2; AWS A5.4 E312-17.
Format: Covered electrode (stick electrode, e.g., 2.5-5.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Very high crack resistance, making it an ideal buffer before hardfacing; outstanding weldability in awkward positions; work-hardens for added toughness.
Applications: Tool steels, unknown alloy steel components, and heavy machinery repairs such as gears and shafts.
Hardness: 260 HB (as-welded)
Technical Data Sheet - UTP 65 D Factsheet (PDF)
UTP 312 - Dissimilar Joining Stick Electrode
UTP 312 - Dissimilar Joining Stick Electrode
Description: Rutile-coated special stick electrode for joining difficult-to-weld steels (same core alloy as UTP 65 D but different coating for slightly different handling characteristics).
Classifications: EN ISO 1600 E 29 9 R 3 2; AWS A5.4 E312-17.
Format: Covered electrode (stick electrode, e.g., 2.5-5.0 mm x 300-350 mm) - compliant with Canadian CSA standards.
Benefits: Extreme crack resistance for dissimilar joints and hard materials; outstanding weldability in awkward positions.
Applications: Machine/drive components, gears, cams, shafts, hot cuts, dies in mining operations.
Hardness: 250-320 HB (as-welded)
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
Additional Suggestions: UTP 6824 LC – contact us for details.
PRECISION REPAIR (TIG / CONTROLLED HEAT INPUT)
PRECISION REPAIR (TIG / CONTROLLED HEAT INPUT)
For precision work, root passes, and repairs that require controlled heat input and metallurgy.
UTP A 068 HH TIG – Heat-Resistant NiCrFe TIG Rod
UTP A 068 HH TIG – Heat-Resistant NiCrFe TIG Rod
Description: This nickel-based TIG filler is crafted for crack-sensitive repairs requiring stability under heat cycling, offering smooth bead profiles and high ductility with excellent metallurgical behaviour for precise, low-heat input welds in mixed-steel joints.
Classifications: EN ISO 18274 S Ni 6082; AWS A5.14 ER NiCr-3.
Format: TIG rod (e.g., 1.6-3.2 mm) - compliant with Canadian CSA standards.
Benefits: Smooth bead profile and high ductility for clean finishes; excellent metallurgical stability under thermal cycles; minimizes distortion in precision work.
Applications: Small components, precision repairs, mixed-steel joints in mining tools.
Hardness: 180-220 HB (as-welded)
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
UTP AF 68 TIG - Precision Repairs on Nickel-Bearing Steels
UTP AF 68 TIG - Precision Repairs on Nickel-Bearing Steels
Description: This TIG flux-cored wire is designed for precision repairs on nickel-bearing steels, providing controlled heat input and strong corrosion resistance with smooth arcs for high-quality, low-distortion welds in critical components.
Classifications: EN ISO 14343-A W 19 9 L; AWS A5.9 ER308L.
Format: TIG flux-cored wire (e.g., 1.2-2.4 mm) - compliant with Canadian CSA standards.
Benefits: High ductility, excellent metallurgical behaviour under heat cycling.
Applications: Precision repairs on nickel-bearing steels.
Hardness: Not specified
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
UTP A 802 TIG – Ni-Base TIG Rod for Corrosion-Resistant Joins
UTP A 802 TIG – Ni-Base TIG Rod for Corrosion-Resistant Joins
Description: This TIG rod is optimized for joining nickel alloys and heat-resistant steels, delivering good corrosion resistance and high-strength joins with controlled heat input for precise, durable repairs in corrosive environments
Classifications: EN ISO 18274 S Ni 4060; AWS A5.14 ER NiCu-7.
Format: TIG rod (e.g., 1.6-3.2 mm) - compliant with Canadian CSA standards.
Benefits: Great corrosion resistance for harsh conditions; suitable for high-strength joins with low heat distortion; reliable metallurgical integrity
Applications: Precision repairs in nickel-bearing steels.
Hardness: Not specified
Technical Data Sheet | Safety Data Sheet (Contact us for additional information)
Additional Suggestions: UTP A 696, UTP A 651 – contact us for details.
Reference Source
This page is based on the UTP Maintenance 2024 Brochure by voestalpine Böhler Welding, focusing on filler metals for repair, anti-wear, and anti-corrosion. Download the full brochure PDF.
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