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.