Manual arc welding

Overview table

DURMAT®	Chem. composition	Hardness	Applications	Features	Classification
E	Fe base with WSC	Mixed hardness of weld metal: 55-58 HRC	Armoring of tools and machine parts in mining, road construction, special civil engineering, well construction, deep drilling technology	Immersed tubular electrode for electrical hardfacing on non-alloy and low-alloy steels	E Fe20 \| E21-GF-UM-60-CG
E-PLUS	Fe base with SWSC	Mixed hardness of weld metal: >58 HRC	Armoring of tools and machine parts in mining, road construction, special civil engineering, well construction, deep drilling technology	Similar to DURMAT® NIFD, but filled with spherical tungsten fused carbide (SWSC)	E Fe20 \| E21-GF-UM-60-CG
NI3	Ni-base with WSC and special carbides (SC)	WSC: 2.360 HV0.1 Matrix: 480-520 HV0.1 Special carbides (SC): 2,900 HV0.1	Mixer blades, processing plants for molding sand, slurry pump valves, screw conveyors, deep drilling tools, corrosion-resistant coatings against heavy abrasive wear in the chemical and food industries	Similar to DURMAT® NIFD, but filled with spherical tungsten fused carbide (SWSC)	T Ni20 \| MF21-55-CGZ
NI3-PLUS	Ni-base with SWSC and special carbides (SC)	SWSC: 3.000 HV0.1 Matrix: 480-520 HV0.1 Special carbides (SC): 2,900 HV0.1	coatings on steels, casting tools, nickel alloys and stainless steels (mixer blades, preparation equipment for molding sand, slurry pump valves, screw conveyors, grinding plates, stabilizers, deep drilling tools)	Stick electrode made of an extra hard W-Ni alloy Excellent abrasion wear behavior, heat and corrosion resistance	E Ni20 \| E21-GF-UM-60-CGZ
NISE	Ni base with WSC	WSC: 2.360 HV0.1 Ni-Matrix: ≈ 480-520 HV0.1	coatings on steels, casting tools, nickel alloys and stainless steels (mixer blades, preparation equipment for molding sand, slurry pump valves, screw conveyors, grinding plates, stabilizers, deep drilling tools)	Stick electrode made of an extra hard W-Ni alloy Excellent abrasion wear behavior, heat and corrosion resistance	E Ni20 \| E21-GF-UM-60-CGZ
NISE-PLUS	Ni-base with SWSC	SWSC: 3.000 HV0.1	coatings on steels, casting tools, nickel alloys and stainless steels (mixer blades, preparation equipment for molding sand, slurry pump valves, screw conveyors, grinding plates, stabilizers, deep drilling tools)	Similar to DURMAT® NIFD, but filled with spherical tungsten fused carbide (SWSC)	E Ni20 \| E21-UM-60-CGZ