Co1 Powder

$40.00

Co1 contains a high proportion of hard, wear resistant primary carbides. These render the alloy well suited to applications involving extreme low-angle erosion and severe abrasion, with some sacrifice in toughness. Compared to other cobalt alloys it is more crack-sensitive, and care should be taken to minimize the cooling stresses experienced during casting and hardfacing processes. Due to its high hardness and wear resistance, Co1 should only be finished by grinding.

Equivalent: Stellite 1

Standard: UNS R30001

FORM

Powder

PARTICLE SIZE

125/38 µm, 125/45 µm, 150/45 µm, 150/53 µm, 150/63 µm, 180/53 µm, 180/63 µm, 210/63 µm, 250/45 µm, 45/15 µm, 45/20 µm, 53/20 µm

PROCESS

HVOF, Laser Cladding, Plasma Spray, PTA

MANUFACTURE

Gas Atomization

Categories: , , ,

Description

Co1 is a hardfacing alloy possessing excellent abrasion and corrosion resistance for applications such as pump sleeves, rotary seal rings, wear pads, expeller screws and bearing sleeves. It retains its hardness at temperatures in excess of 760°C (1400°F).

Chemical & Physical Properties

CoCrWCNiMoOthersHardnessDensityMelting Range
Bal.27 – 3211 – 132.0 – 3.0< 3.0< 1.0Fe, Si, Mn50 – 58 HRC8.69 g/cm31190 – 1345 ºC

Deposit Characteristics

Metal to metal WearExcellent
Cold / Hot AbrasionExcellent / Excellent
Erosion / CorrosionExcellent / Excellent
ImpactUnsatisfactory
MagneticNo
Deposit Layers2 Max
Thermal Conductivity14.5 W/m.K, 100.5 Btu-in/hr/ft2/°F
Electrical Resistivity94.0 µ-ohm.cm, 37.0 µ-ohm.inch

Applications

  • Valve seats, Seals, Gates
  • Pump sleeves, Bushings, Bearings
  • Saw blades, Screw blade, Cutters
  • Crusher, Mixer rotors
  • Extrusion screws, Expeller screw, Dies
  • Wear pads, Seaming rolls

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