KX GH4033 Light Rod Plate Structural Operating Temperature Range For High Temperature Alloy
Product Description and Application
"GH4033" is also known as "P 437, p 437 Ti ti, p n 77 (Russian)
GH4033 is widely used in the fields of national defense, military and basic industry due to its excellent corrosion resistance, high temperature strength, oxidation resistance and fatigue performance. GH4033 alloy is developed on the basis of Cr20Ni80 in the UK by alloying method, that the alloy is based on Ni and Cr, adding Al and Ti to form an aging strengthened nickel base superalloy with y phase (Ni3 (Al, Ti)) as the strengthening phase. The alloy has high strength at 700 ~ 750℃,good corrosion resistance and oxidation resistance below 900℃. In addition, GH4033 superalloy has better thermal and mechanical processing properties, which is easier to be forged and rolled than other nickel-based superalloys. It is usually used in the manufacture of aerospace, aviation, gas turbines and other industrial high-temperature load bearing parts, such as engine nut fasteners and rotor parts.
Process Performance and Requirements
- Product Fusion Process
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
- Product Chemical Composition
| Grade | C | Cr | Ni | Al | Ti | Fe | Mn | Si | P | S | B | Ce |
| GH4033 | 0.03～0.08 | 19.0～22.0 | Ram | 0.60～1.00 | 2.40～2.80 | ≤4 | ≤0.35 | ≤0.65 | ≤0.015 | ≤0.007 | ≤0.01 | ≤0.01 |
- Product Physical Property
| Density | ρ=8.2g/cm |
| Greenhouse resistivity | Greenhouse Resistivity |
| magnetic property | Non-magnetic |
- Product Heat Treatment Institution
The hot-rolled bar for rotating parts is 1080℃±10℃, air cooling +700℃±10℃, 16h, air cooling. The bar and cold drawing bar for ordinary bearing parts are 1080℃, 8h, air cooling +700℃ or 750℃, 16h, air cooling. annular blank and forged round plate at 1080℃, 8h, air cooling +750℃, 16h, air cooling.
- Product Thermal Conductivity
| θ/℃ | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 |
| λ/(W/(m·C)) | 11.3 | 12.97 | 14.64 | 16.32 | 17.99 | 20.08 | 22.59 | 25.11 | 27.62 |
- Product Coefficient of Linear Expansion
| θ/℃ | 20~100 | 20~200 | 20~300 | 20~400 | 20~500 | 20~600 | 20~700 | 20~800 | 20~900 |
| α/10-6C-1 | 11.56 | 12.3 | 13.17 | 13.79 | 14.52 | 15.07 | 15.62 | 16.3 | 17.15 |
- Productive Process
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Professional Customization
| Cold-drawn Wire | ¢0.3~¢18mm(Delivery in rolls or trays) |
| Hot-Rolling Wire | ¢5.5~¢20mm(Delivery in rolls) |
| Strip | thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips) |
| Smooth Forged Rod on a Lathe |
¢60~350mm,L800-2500mm |
| Hot-rolled Burnishing | ¢20~80mm,L1000-5000mm |
| Cold Drawn and Burnishing | ¢2.5~18mm,L1000-8000mm |
| Seamless Tube | ¢1~275mm,wall thickness 0.2~30,L1000-8000mm |
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