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Introduction
GH3039(GH39) is a single-phase austenitic solid solution strengthening alloy, which has moderate thermal strength and good thermal fatigue performance below 800 ℃, good oxidation resistance below 1000 ℃, stable microstructure after long-term use, and good cold formability and welding performance. Suitable for long-term use below 850 ℃. GH3039 has high temperature strength, corrosion resistance, and oxidation resistance.
Specification:ASTM B446/B564/B704/B705/B751/B775
Chemical components(%)
Composition | C | Si | Mn | P | S | Cr | Ti | Mo | Al | Nb | Fe |
Min | \ | \ | \ | \ | \ | 19.00 | 0.35 | 1.80 | 0.35 | 0.90 | \ |
Max | 0.08 | 0.80 | 1.00 | 0.02 | 0.012 | 22.00 | 0.75 | 2.30 | 0.75 | 1.30 | 3.00 |
Mechanical properties
Rigidity | Tensile strength | Yield strength | Elongation |
280HBS | ≥900MPa | ≥600MPa | ≥40% |
Physical properties
Density | Melting points | Specific heat | Magnetism | Resistivity | Thermal conductivity | Linear expansivity |
8.3g/cm3 | 1415-1450℃ | 544J/(Kg.℃） | \ | 1.18×10-6Ω·m (20℃) | 13.8W/(m.k) (100℃) | 11.5×10-6/K (20-100℃) |
Specification:
Product type | Products | Dimension | Processes | Deliver Status |
Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
Advantages
(1)Good corrosion resistance:GH3039 alloy can be used for a long time in harsh environments such as high temperature, strong acid, and strong alkali.
(2)High temperature strength and heat resistance:GH3039 alloy materialis an excellent high temperature alloy material.
(3)Good processing performance:GH3039 alloy material can be processed through a variety of processing methods, such as forging, heat treatment, cold working, etc., and can be made into parts of various shapes and sizes.
(4)Stable structure:GH3039 alloy during long-term use is not easy to deform or crack.
(5)Good cold formability and welding performance:GH3039 is easy to process into parts of various complex shapes.
Applications
(1)Aerospace field:GH3039 can be used to manufacture combustion chambers, turbine blades, air inlets and other components of aero engines, as well as structural parts of spacecraft.
(2)Shipbuilding field:GH3039 alloy is used in the shipbuilding field to manufacture engines and exhaust systems.
(3)Chemical and petroleum industry:GH3039 superalloy is often used to manufacture key components of chemical equipment, refining equipment and oil drilling equipment, such as valves, pipelines and reactors, etc.
(4)Nuclear industry:GH3039 superalloy is used in the nuclear industry to manufacture fuel elements and control rods for nuclear reactors.
(5)Electric power field:GH3039 high-temperature alloy is used in the electric power field to manufacture smoke tubes, reheater tubes, etc. for high-temperature and high-pressure boilers.
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