UNS R30021 (Stellite 21)

Introduction:

Stellite 21 Material grades and equivalents: Stellite 21/ UNS R30021

 

    Category:

    Description

    UNS R30021 (Stellite 21)

    Stellite 21 Material grades and equivalents: Stellite 21/ UNS R30021

    Chemical composition:

    Co

    Cr

    W

    C

    Ni

    Mo

    Fe

    Si

    Other

    Bal.

    28

    -

    0.25

    3

    5.2

    <3.0

    <1.5

    <0.5

    Mechanical properties:

    ASME/AWS

    Hardness(HRC)

    (SF)A 5.21 ER CoCr-E

    28-40

    Characteristic as below:

    It has excellent resistance on high heat, corrosion and abrasion.

    Processing conditions and application:

    Recommended use for making fuild valve,brass casting die , vlave seat, etc.