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.