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6K Wrought Alloy

TMetal 6K is a hot-rolled cobalt-based alloy designed for industrial cutting and scraping applications. Its optimized carbon content provides higher hardness, superior edge retention, and excellent corrosion resistance.

Nominal Chemical Composition (weight%)

Co Ni Si Fe Mn Cr Mo W C S, P, B Others
Bal. 3.0* 2.0* 3.0* 2.0* 29-32 1.5* 4.0-6.0 1.4-1.8 0.03* 0.5*

* Maximum

Physical Properties

Hardness Density Melting Range
41-46 HRC 8.36 g/cm³ 1278-1360 °C
439-511 HV 0.302 lb/in³ 2332-2480 °F

TMetal 6K is a cobalt-based alloy strengthened by carbides and intermetallic in a Co-Cr matrix, offering outstanding wear, galling, and corrosion resistance—even at high temperatures. It retains hardness at red heat and fully recovers upon cooling.

Available Forms

Product TMetal 6K
Flat stock
  • Thickness=0.8- 8 mm (0.0315” to 0.315”)
  • Sheet size=custom rolled size
Fully machined components Yes