Oxy-acetylene Welding / Spray & Fuse

Pulver, Stäbe und Drähte für das Autogenschweißen

Typical chemical composition of the matrix (in wt.-%)
             
DURMAT® C Si Mn Cr Ni B Hardness Composition
40-A 0.2-0.35 3.8 - 7-9 Bal. 1.4-1.7 36-40 HRC -
60-A 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 57-60 HRC -
40-FTC 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 Matrix: 57-60 HRC 60% 60-A + 40% FTC
50-FTC 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 Matrix: 57-60 HRC 50% 60-A + 50% FTC
60-FTC 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 Matrix: 57-60 HRC 40% 60-A + 60% FTC
75-FTC 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 Matrix: 57-60 HRC 25% 60-A + 75% FTC
80-FTC 0.6-0.8 3.8 - 15-17 Bal. 2.8-3.4 Matrix: 57-60 HRC 20% 60-A + 80% FTC
Fe-Based
     
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
Ni-Based
         
DURMAT® Chem. composition Hardness
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
Special Alloys
DURMAT® Chem. composition Hardness
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
  • heat resistance up to 550 °C
  • extreme abrasion resistant
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