Cures for Heat Treat Headaches

This is a Headache

 GRI Study of Alloy Tube Life

 Alloys for Carburizing Service

Cast AlloysWrought Alloys
HK310
HT330
HU333
HW600
HX602
APM / APMT
Slip-Cast Si-SiCSi-SiC Composite

Carburization Resistance

 Oxidation Resistance

Interpretation of Creep Curves

Cast Alloy Creep Performance

Alloy Stress to Rupture @ 10K Hours

 Alloy Rupture Stress Range

Si-SiC Composite vs. 600 Alloy (after 1 hr.)
No deformation for INEX tube tested for 360 hours @ 2462°F (1350°C).

Structural Creep Stress