Product Classification:High Temperature Alloy | ||||||||||||
Material:GH3039 | ||||||||||||
Definition | ||||||||||||
1)GH3039 is a single-phase Austenitic solid solution reinforced alloy with moderate thermal strength and good thermal fatigue properties below 800ºC and good oxidation resistance below 1000ºC. 2)Long-term use of stable structure, but also has good cold formability and welding performance. 3)Suitable for aero engine combustion chamber and afterburner parts used for a long time below 850ºC. | ||||||||||||
GH3039 Chemical Component | ||||||||||||
C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ | ||||
0.08 | 0.80 | 0.40 | 0.020 | 0.012 | 19.0-22.0 | Allowance | 1.80-2.30 | |||||
Others | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ | ||||
0.35-0.75 | 0.35-0.75 | 3.00 | 0.90-1.30 | |||||||||
GH3039 Thermal Properties | ||||||||||||
(1),GH3039 Thermal Conductivity : | ||||||||||||
θ/ºC | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | |||
λ/(W/(m · ºC)) | 13.8 | 15.5 | 17.2 | 18.8 | 20.5 | 21.8 | 23.4 | 25.1 | 26.8 | |||
(2),GH3039 Specific Heat Capacity: | ||||||||||||
θ/ºC | 150 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | ||||
c/(J/(kg.K)) | 544 | 574 | 636 | 645 | 762 | 779 | 921 | 1047 | ||||
(3),GH3039 Coefficient of Linear Thermal Expansion: | ||||||||||||
θ/ºC | 20-100 | 20-200 | 20-300 | 20-400 | 20-500 | 20-600 | 20-700 | 20-800 | 20-900 | 20-1000 | ||
a/10-6ºC-1 | 11.5 | 12.4 | 13.2 | 13.5 | 13.8 | 14.3 | 14.9 | 15.3 | 15.8 | 16.4 | ||
GH3039 Oxidation Rate after 100h Test In Air Medium: | ||||||||||||
θ/ºC | 900 | 1000 | 1100 | |||||||||
Oxidation Depth along Grain Boundaries/mm | 0.02 | 0.052 | 0.068 | |||||||||
Application Overview and Special Requirements | ||||||||||||
The aero engine combuster and afterburner parts made of this alloy have good performance after long-term production and use test. |