UTP HydroCav - UTP Schweissmaterial

Standards :
DIN 8555 : G/WSG 21-UM-55-CG
EN 14700 : C Ni 20
* available on request
Heavy coated, flexible tungsten-carbide
welding rod against extreme mineral
friction wear, corrosion resistant
Application field
UTP A 7550 can be welded by oxy-acetylene or TIG process. The rod is based on a Ni-Cr-B-Si matrix enveloping
tungsten carbides. These carbides have two different grain sizes and build a compact shielding layer
on the rod. The matrix melts at 1050° C, i.e. under the melting range of steels.
UTP A 7550 is particularly suitable for claddings on machine parts subject to extreme friction wear by hard,
abrasive materials. This alloy is used in brickyards, industries of argillaceous earth, cement factories, mining,
offshore such as for producing the machines and systems of the mentioned industries.
Properties of the weld metal
Only suitable for slight to medium impact stress. The weld deposit is corrosion resistant.
Hardness
Carbide : approx. 2500 HV
Matrix : approx. 2555 HRC
Weld metal analysis in %
W 2 C
60,0
UTP A 7550
NiCrBSi-Matrix
40,0
Welding instructions
The weld area must be metallic clean, preheating to 300 - 500°C depending the size. Keep welding torch
flat to the work piece and melt surface slightly. Avoid overheating.
Welding procedure and availability
Ø
(mm)
Current type
Shielding gas
EN ISO 14175
Availability
Spools Rods
I 1 EN ISO 544 EN ISO 544
6,0 DC (+) x x
6,0 (x450 mm) DC (-) x x
137