UNS R31233(ULTIMET)

Introduction:

ULTIMET is a cobalt-based alloy with exceptional resistance to galling, cavitation erosion, slurry erosion, liquid droplet impact. Ideal welding material with exceptional ductility and resistance to weld cracking, very easy to apply as an overlay, multiple layers appliable with little to no preheat.

 

    Category:

    Description

    UNS R31233(ULTIMET)

    UNS R31233 (ULTIMET,2.4681,ASTM: B815,CoCr26Ni9Mo5W)

    Chemical composition:

     

    Co

    Cr

    Ni

    Mo

    Fe

    W

    Mn

    Si

    N

    C

    P

    S

    B

    Bal.

    23.5-27.5

    7.0-11.0

    4.0-6.0

    1.0-5.0

    1.0-3.0

    0.10-1.5

    0.05-1.0

    0.03-0.12

    0.02-0.10

    < 0.030

    < 0.020

    < 0.015

    Mechanical properties:

    Heat treatment

    RP0,2

    (N/mm2)

    Rm

    (N/mm2)

    A5

    (%)

    Impact  energy (J) ISO-V

    +20C                  -40°C                          -60C

    Hardness

    HRc / HV

    AW

    >917

    >10

       

    WELDING  PARAMETERS  / PACKINGAW:

    as welded

    Welding Parameters

    Packing (kg)

    D (mm)

    Current (A) DC-

    single

    master

    1,6 x 914

    50-80

    4.54

    22,73

    2.0 x 914

    70-110

    4,54

    22,73

    2.4 x 914

    110-180

    4,54

    22,73

    Application

    •Valve component overlay •"Make/break" seal welds in threades unions •Weld overlays to marine riser tensioners, shafts, and larger hydraulic systems pistons •Weld overlay to u-bends, piping and valves used in conveying sour crudes containing abrasives •Slurry, rock, and acid tumblers & mixers •Impellers •Fiberglass manufacturing