(Fused) Tungsten Carbide Products / FTC

MIG/MAG-Welding (GMAW)

Overview
                                          
DURMAT® Chem. composition Hardness
OA Fe-matrix with 50-62% FTC FTC: 2,360 HV0.1; Weld metal: 64-66 HRC1st layer; 66-68 HRC2nd layer
NICRW NiCr-matrix with 50-62% FTC FTC: 2,360 HV0.1; Matrix: 490-540 HV0.1
NIFD Ni-matrix with 50-62% FTC
FTC: 2,360 HV0.1
NIFD - PLUS Ni-matrix with 50-63% SFTC
SFTC: 3,000 HV0.1
NI2 Ni-matrix with 50-62% FTC and Special Carbides (SC)
FTC: 2,360 HV0.1; Matrix: 450-480 HV0.1; Special Carbides (SC): 2,900 HV0.1
NI2 - PLUS Ni-matrix with 50-62% SFTC and Special Carbides (SC)
SFTC: 3,000 HV0.1; Matrix: 450-480 HV0.1; Special Carbides (SC): 2,900 HV0.1
FD 773 NiCr-matrix with 50-62% RF 13
RF 13: >1,950-2,050 HV0.1; Matrix: 490-540 HV0.1
FD 774 Co-matrix with 50-62% RF 13
RF 13: >1,950-2,050 HV0.1; Matrix: 450-480 HV0.1
FD 778 NiFe-matrix with 50-62% FTC
FTC: 2,360 HV0.1; Matrix: 490-540 HV0.1
FD 779 Ni-matrix with 50-62% MCTC
MCTC: >1,600 HV0.1; Matrix: 490-540 HV0.1
FD 780 NiFe-matrix with 50-62% MCTC
MCTC: >1,600 HV0.1; Matrix: 490-540 HV0.1
FD 789 Ni-matrix with 50-62% RF 13
RF 13: >1,950-2,050 HV0.1; Matrix: 450-480 HV0.1

EXAMPLE | DURMAT® NIFD

  • Flux cored wire with Fused Tungsten Carbide (FTC) and NiCrBSi-matrix for semi-automatic welding application
  • Protects surfaces against a combination of extreme abrasive and corrosive attacks
  • Heat resistant up to 550 °C
Typical Hardness
Fused Tungsten Carbide (FTC): ca. 2,360 HV0.1
NiCrBSi-matrix: ca. 450-480 HV0.1
Applications
Repairing and hard facing ferritic and austenitic steel tools and machine parts (steel casting). Welding on tool joints and stabilizers in the petroleum industry etc.
 

Oxy-acytelene Welding

Overview
                
DURMAT® Chem. composition Hardness
A Fe-based with FTC FTC: 2,360 HV0.1
Mixed hardness weld metal: 55 HRC
A-PLUS Fe-based with SFTC SFTC: 3,000 HV0.1
Mixed hardness weld metal: 55 HRC
B NiCrBSi-based with FTC FTC: 2,360 HV0.1
NiCrBSi-alloy: 420-450 HV0.1
BK NiCrBSi-based with SFTC SFTC: 3,000 HV0.1
NIA NiCrBSi-based with FTC FTC: 2,360 HV0.1
NIA-PLUS NiCrBSi-based with SFTC SFTC: 3,000 HV0.1
CS Cu-Ni-Zn-matrix with sintered tungsten carbide fragments
TINNING-RODS Nickel bronze rods

EXAMPLE | DURMAT® B

  • Nickel core flexible rod coated with both Fused Tungsten Carbide (FTC) and Ni-Cr-B-Si developed for oxy-acetylene welding
  • Corrosion resistant
  • Abrasion and heat resistant up to 550 °C
Typical Hardness
Fused Tungsten Carbide (FTC: ca. 2,360 HV0.1
NiCrBSi-matrix: ca. 420-450 HV0.1
Applications
Hard facing of ferritic and austenitic steels (steel castings), applied for overlaying mixer blades, screws and conveyors in chemical, dye and food industry. Specially recommended for stabilizer blades in the petroleum industry etc.
 

Shielded Metal Arc Welding (SMAW)

Typical chemical composition (in wt.-%)
             
DURMAT® Chem. composition Hardness
E Fe-based with FTC Mixed Hardness weld metal: 55-58 HRC
E-PLUS Fe-based with SFTC Mixed Hardness weld metal: >58 HRC
NI3 Ni-based with FTC and Special Carbides (SC) FTC: 2,360 HV0.1
Matrix: 480-520 HV0.1
Special Carbides (SC): 2,900 HV0.1
NI3-PLUS Ni-based with SFTC and Special Carbides (SC) SFTC: 3,000 HV0.1
Matrix: 480-520 HV0.1
Special Carbides (SC): 2,900 HV0.1
NISE Ni-based with FTC FTC: 2,360 HV0.1
Ni-matrix: ≈ 480-520 HV0.1
NISE-PLUS Ni-based with SFTC SFTC: 3,000 HV0.1

EXAMPLE | DURMAT® E

  • Tube metal filled with medium size Fused Tungsten Carbide (FTC) for manual welding
  • High Content of FTC
  • Abrasion resistant
Hardness
Mixed hardness weld metal: 55-58 HRC
Applications
Hard facing unalloyed and low alloyed steels (cast steels) with a maximum carbon content of 0.5% (tools and machine parts that are exposed to wear in mining, excavation, digging, road construction and deep drilling applications)
 

Thermal Spray Wires

Typical chemical composition (in wt.-%)
DURMAT® C Si Mn Cr Ni Mo Nb V W B Co Ti Al Cu Fe +
AS 751 0.4 - - - Bal. - - - - 1 - - - - - FTC: 50
AS 761 0.4 - - 10 Bal. - - - - 2 - - - - - FTC: 50
AS 850 2 - 0.4 - - - - - - - - - - - Bal. FTC: 50

EXAMPLE | DURMAT® AS 751

  • Flux-Cored Wire with 50% Fused Tungsten Carbide (FTC)
  • High abrasion resistance up to 500 °C
Classification
DIN EN ISO 14919 - 6 -1.6 - 4
Applications
High abrasion resistance up to 500 °C
Hardness
50-60 HRC