Product

General characteristics and application

DURMAT - A

DURMAT A consists of a special pre-alloyed tube filled with coarsely grained Fused
Tungsten Carbide (FTC) for oxyacetylene welding. (DIN 8555: G21 -GF- 55 - CG)

For hard facing and repairing tools and machine parts exposed to wear in mining, road construction, ceramic, petroleum, excavation and dredging applications.

DURMAT - A - PLUS

DURMAT A-PLUS consists of a special pre-alloyed tube filled with spherical fused tungsten carbide (SFTC) for oxyacetylene welding. The SFTC has an exceptionally high hardness of over 3000 HV0.1 giving outstanding wear protection to hard faced areas. (DIN 8555: G21 -GF- 55 - CG)

For hard facing and repairing tools and machine parts, exposed to wear in mining, road
construction, ceramic, petroleum, excavation and dredging applications.

DURMAT - E

DURMAT-E is a tube metal filled with medium size fused tungsten carbide developed for manual welding application. This electrode can be applied by alternating or direct current trouble free once the proper machine setting is obtained. (DIN 8555: E21 -GF-UM- 60­CG)

For hard facing unalloyed and low alloyed steels (cast steels) with a maximum carbon
content of 0.5%. Higher carbon content could lead to cracking.

DURMAT - E - PLUS

DURMAT E-PLUS is a tube metal filled with spherical fused tungsten carbide (SFTC)
developed for manual application. This electrode can be applied by alternating or direct
current trouble free once the proper machine setting is obtained. (DIN 8555: E21 -GF-UM- 60­CG)

For hard facing unalloyed and low alloyed steels (cast steels) with a maximum carbon
content of 0.45%. Higher carbon content could lead to cracking.

DURMAT - OA

DURMAT OA is an open arc iron-based tubular wire filled with fused tungsten carbide for semi-automatic application, where extreme abrasive wear is anticipated. (DIN 8555: MF21 - 65 - CG)

For hard facing low alloyed steels that have a maximum of 0.45% carbon. Higher carbon content could lead to cracking. Also for hard facing and repairing tools and machine parts that are exposed to wear in mining, excavation, earth moving, tunneling shields, road construction, well drilling and deep drilling applications.

DURMAT - B

DURMAT B is a nickel core flexible rod coated with both fused tungsten carbide (FTC) and Ni-Cr-B-Si developed for oxyacetylene welding. The deposited alloy consists of approximately 65% FTC and 35% Ni-Cr-B-Si-matrix with a matrix hardness of 45 HRC. (DIN 8555: GF21 -UM- 55 - CG)

Hard facing of ferritic and austenitic steels (steel castings), applied for overlaying mixer
blades, screws and conveyors in chemical and dye industry, food industry. Specially recommended for stabilizer blades in the petroleum industry.

DURMAT - BK - SPHERICAL

DURMAT BK is a nickel cored flexible rod coated with mainly spherical fused / cast tungsten carbide (SFTC) and Ni-Cr-B-Si-matrix with a matrix hardness of 45 HRC. The hard facing is highly resistant to acids, bases, lye, and other corrosive media and excessive wear conditions (DIN 8555: GF21 -UM- 55 - CG)

Hard facing on ferritic and austenitic steels (steel castings), over-laying mixer blades, screws and conveyors in chemical, dye and food industry. Specially recommended for stabilizer blade in the petroleum industry.

Product

General characteristics and application

Product

General characteristics and application

DURMAT - NI - 3

DURMAT NI-3 is a tubular electrode filled with a mixture of FTC and special carbides in a combination with a specially developed nickel alloy for manual welding. This alloy is designed for applications where extreme abrasion in combination with corrosion is expected. (DIN 8555: E21 -GF-UM- 60­CGZ)

Repairing and hard facing ferritic and austenitic steels (steel castings), stabilizer blades, conveyor screws, milling plates, deep drilling tools, and mixer blades.

DURMAT - 40 - A

DURMAT 40-A is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Its extreme hardness allows for excellent gliding on high tensile strength steels and plastics.

Applying on small areas or die edges, mold castings in the glass industry, fittings, pistons & guides, buffer layers in advance to DURMAT B hard facings

DURMAT - 60 - A

DURMAT 60-A is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Its extreme hardness allows for excellent gliding on high tensile strength steels and plastics.

Applying on small areas or die edges, mold castings in the glass industry, fittings, pistons & guides, buffer layers in advance to DURMAT B hard facings.

DURMAT - 40 - FTC

DURMAT 40-FTC is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Due to the high tungsten carbide content, the powder is highly wear resistant. DURMAT 40-FTC protects components that are exposed heavy mechanical and mineral wear.

Mechanical engineering, pump and mill construction, the manufacturing of petrochemical apparatus, deep drilling tools, wear plates in agriculture.

DURMAT - 50 - FTC

DURMAT 50-FTC is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Due to the high tungsten carbide content, the powder is highly wear resistant. DURMAT 50-FTC protects components that are exposed heavy mechanical and mineral wear.

Mechanical engineering, pump and mill construction, the manufacturing of petrochemical apparatus, deep drilling tools, wear plates in agriculture.

DURMAT - 60 - FTC

DURMAT 60-FTC is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Due to the high tungsten carbide content, the powder is highly wear resistant. DURMAT 60-FTC protects components that encounter heavy mechanical and mineral wear.

Mechanical engineering, pump and mill construction, the manufacturing of petrochemical apparatus, deep drilling tools, wear plates in agriculture.

DURMAT - 75 - FTC

DURMAT 75-FTC is a welding powder developed for combined corrosion, abrasion and heat resistant applications. Due to the high tungsten carbide content, the powder is highly wear resistant. DURMAT 75-FTC protects components that encounter heavy mechanical and mineral wear.

Mechanical engineering, pump and mill construction, the manufacturing of petrochemical apparatus, deep drilling tools, wear plates in agriculture

Product

General characteristics and application

DURMAT - 58 - PTA

DURMAT 58-PTA has an excellent resistance to wear and corrosion and a low friction coefficient. It is corrosion resistant and acid durable, resistant to heavy abrasion and heat. Its extreme hardness allows for excellent gliding on high tensile strength steels and plastics. DURMAT 58-PTA can be mixed with FTC fused tungsten carbide to provide maximum wear resistance.

Applying on conveyor screws, wear rings, pump screws, scrapers for brick industry, guide rolls and fan blades, etc.

DURMAT - 59 - PTA

DURMAT 59-PTA is resistant to heavy abrasion and heat. Its extreme hardness allows for excellent sliding on high tensile strength steels. DURMAT 59-PTA is also recommended in combination with fused tungsten carbide (FTC) for wear resistant applications.

Applying on mining equipment, tools for the petroleum industry, scraper blades for brick and clay, buffer layers before applying DURMAT-61-PTA

DURMAT - 505 - PTA

DURMAT 505-PTA is resistant against heavy abrasion and impact. Due to the precipitation of fine special carbides (SC), layers of DURMAT 505-PTA shows an extreme hardness of 55 -60HRC, combined with a high tenacity.

Applying on mining equipment, scraper blades for brick and clay, agriculture

DURMAT - 506 - PTA

DURMAT 506-PTA is similar to DURMAT 505-PTA, but based on the higher content of fine primary refractory and special (SC) carbides DURMAT 506-PTA coatings are more resistant against heavy abrasion and impact.

Technical knifes, applying on mining equipment, scraper blades for brick and clay, agriculture

DURMAT - 61 - PTA

DURMAT 61-PTA is corrosion resistant and acid durable, resistant to heavy abrasion and heat. Due to the high tungsten carbide content, the powder is extremely wear resistant. DURMAT 61-PTA protects components that are exposed to heavy mechanical and mineral wear.

Mechanical engineering, pump and mill construction, the manufacturing of petrochemical apparatus, deep drilling tools, wear plates in agriculture

DURMAT - 65 - PTA

DURMAT 65-PTA is a high wear and corrosion resistant alloy with approx. 60% FTC fused tungsten carbide. The FTC particles are surrounded by the matrix of DURMAT 58-PTA. DURMAT 65-PTA protects components that encounter heavy mechanical and mineral wear.

Mechanical engineering, mining equipment, conveyor screws, deep drilling tools, wear plates in agriculture

Product

General characteristics and application

DURMAT - FTC

Fused Tungsten Carbide (FTC) is one of the hardest and most abrasion resistant materials used in the modern wear resistance and tool technology. FTC is the eutectic composition of WC and W2C.

Hard facing metallic surfaces exposed to extreme mechanical load. In this case FTC should be used as a fine or coarser powder, which is embedded in the metallic matrix or is precipitated into hard alloys. Surface coating by thermal spraying or welding.

DURMAT - SFTC

DURMAT Sphercial Tungsten Carbide SFTC is the most wear resistant Fused Tungsten Carbide we can offer. These SFTC spherical fused tungsten carbide particles show a fine non acicular structure with a higher hardness than conventional FTC (>3000 HV0.1).

Hard facing metallic surfaces exposed to extreme mechanical stress. Using powder metallurgical processes, it is possible to produce parts of nearly any shape, which can contain hard materials or diamonds together with a metal binder and SFTC.

DURMAT - WC - IV

DURMAT WC-IV is produced from specially selected, uncoated, cleaned and straight WC/Co hard metal material grades. The WC/Co is carefully crushed and classified to avoid contamination from iron, chromium and other elements normally present. Deposits are highly resistant against abrasion. DURMAT-WC-IV is particularly well suited for cutting tools.

Mining, deep drilling-as on tool joints in the petroleum industry.

DURMAT - CS

DURMAT CS consists of sintered tungsten carbide fragments in a ductile Cu-Ni-Zn matrix. The alloy exhibits a tensile strength of 100,000 psi. DURMAT-CS production methods ensure an homogeneous distribution of the sintered tungsten carbide particles. DURMAT- CS composite rods are available in two grades: Wear resistant and cutting.

Downhole reamers, openers, fishing tools (spears), coring tools, reamers, milling tools and stabilizers.