FabDigit

Cobalt-Chrome Alloy

Cobalt-Chrome Alloy Stellite 20

Cobalt-Chrome Alloy Stellite 20 is a cobalt-chrome alloy.

Properties

Datasheet

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Against other cobalt-chrome alloy grades

Yield strength
454 MPa66 ksifamily median 590 MPa86 ksi660 MPa96 ksi
Tensile strength
780 MPa113 ksifamily median 970 MPa141 ksi1,006 MPa146 ksi
Density
8.32 g/cm³0.301 lb/in³family median 8.4 g/cm³0.303 lb/in³9.13 g/cm³0.33 lb/in³
Hardness (HB equiv.)
252 HBfamily median 300 HB364 HB
Max service temp
500 °C932 °Ffamily median 700 °C1,292 °F868 °C1,594 °F
Electrical conductivity
1.7 % IACSfamily median 1.7 % IACS1.9 % IACS
Machinability
20 / 100family median 20 / 10020 / 100
Relative cost
82family median 110110

Strength versus weight in the cobalt-chrome alloy family

Yield strength against density for every cobalt-chrome alloy grade FabDigit runs. Stellite 20 is highlighted; hover a dot for its name, or open the interactive family chart.

5007008.48.68.89Density (g/cm³)Yield strength (MPa) — log scale

Equivalent designations

Standards and trade names that resolve to Cobalt-Chrome Alloy Stellite 20 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

Also called
钴基合金20号

Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.