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Metco 18C

Metco 18C

Metco 18C is a cobalt-based, self-fluxing alloy powder with an approximate fused hardness of HRC 48 to 52. It is recommended for use on substrates that may have cracking issues such as alloyed steels and 400 series steels. Approximate fusing temperature: 1121 °C. Laser cladding application is recommended, but may also be applied using PTA or puddle welding. It produces relatively hard deposits that can be finish ground using a diamond or silicon-carbide wheel.


Material type Thermal Spray Powder
Product form Powder
Material safety datasheet number 50-103
Achieved surface function primary Abrasion Protection
Adhesive Wear Protection
Erosion Protection in Gas Flow
Erosion Protection in Liquid Flow
Sliding Wear Protection
Solid Particle Erosion Protection
Dimensional Restoration
Suitable for service environmen Acidic Liquid, Not Specified
Crude Oil
Engine Oil
Gravel/Stone/Rock/Concrete Contact
Metal Contact
Soil//Sand/Silt/Clay Contact
Seawater/Brackish Water
Plastic/Rubber/Polymer Contact
Corrosive Mud
Corrosive Liquid
Melting temp. 1121
Base composition Cobalt-Nickel
Nominal chemistry Co 27Ni 18Cr 6Mo 3.5Si 3B 2.5Fe 0.2C
Max. service temp. 540
Achieved microhardness (min) 48HRC
Achieved macrohardness (max) 52HRC
Recomm metco spray gun 3MB
Recommended process technology Laser Cladding
Oxy-Acetylene Welding
Plasma Transferred Arc
Spray and Fuse Powder Welding
Recommended finishing Grinding, diamond (preferred) or green silicon carbide
Datasheet number DSM-0412

Relevant articles

Article Number Product Size Packaging size
1000053 Metco 18C -125 +53 μm 5.0 lb Inquire / Contact Us

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