GH4500 is a Ni-Cr-Co-based deposition hardening deformed high-temperature alloy. The service temperature is less than 870°C, and short-term use can reach 980°C. Aluminum and titanium elements are added to the alloy to form a y' deposition strengthening phase, and cobalt, chromium and molybdenum are added. and other elements for solid solution strengthening. The alloy has good high-temperature strength, oxidation resistance and hot corrosion resistance.
Specifications | In stock, can be customized according to customer requirements |
Form | Bar，Plate |
Classification | Superalloy |
Alloy | Co | Fe | Cr | Ni | C | Cu | Si | Mo | Al | Ti | Zr | P | B | S | Mn |
GH4500 | 15-20 | 4.0 | 18-20 | Balance | 0.12 | 0.10 | 0.75 | 3-5 | 2.75-3.25 | 2.75-3.25 | 0.06 | 0.015 | 0.003-0.008 | 0.015 | 0.75 |
Alloy status | Tensile strengthEbMPa2 | yield st rength RP0.2 N/mm | Elongation A/%≥ | Hv |
solution treatment | ≥1100 | ≥750 | ≥10.0 | ≥350 |
Density | Melting Point | thermal conductivity | Specific heatcapacity | Resistivity | Linear expansion coefficient | Elastic modulus |
g/cm3 | ℃ | λ/(W/m·°℃) | J/kg:·℃ | uΩ ·m (20℃) | a/10-6℃-1 | GPA（20℃-800℃） |
8.05 | 1288℃-1343℃ | 13.（100℃） | 440 | p=1.100x10-6Ω·m | 12.9（20-100℃） | 217-165 |
GH4500 alloy hasgood processing performance and weldability, high-temperature strength, oxidation resistance, creep resistance, and corrosion resistance.
Suitable for making turbine rotating parts and load-bearing parts of gas turbine engines, as well as forged or cast gas turbine blades. The alloy has been used to make parts such as aircraft engine I and II turbine discs, free turbine discs, labyrinth shafts, and grating seal rings, with good batch production and application conditions.
Adjacent trademarks are widely used abroad and are mainly used to make turbine blades for aero-engines with operating temperatures below 750°C, as well as gas turbine blades.
The manufacturing process of stainless steel and alloys involves multiple steps to transform raw materials into flat,rectangular sheets or plates made of stainless steel and alloys. Here are a few key steps for stainless steel and alloys:
Molten stainless steel and alloys are cast into large ingots or billets through a casting process.
During the hot rolling process,the thickness of the steel ingot is gradually reduced and elongated to form long strips or coils.
Annealing involves heating stainless steel and alloys to a specific temperature and then slowly cooling it.
Cold rolling is carried out through rolling mills to reduce thickness to meet customer specifications.
Wuxi Walmay Metal Co,Ltd is a comprehensive processing group of Alloy Steel、Forged Parts Fitting、Titanium Alloy、Stainless Steel、Special Welding Wireseries， and more than 800 specifications.
Our group has been engaged in the domestic and global market for more than ten years with rich steel experience and can offer professional advice for customers inapplications with different materials.
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Heat treatment and annealing: Wuxi Walmay Metal can heat treat certain 400 series stainless steels.
Material Reliability Identification (PMI): Wuxi Walmay Metal can complete this testing in-house.
Ut Testing: Ultrasonic testing (UT) uses high-frequency sound energy to inspect and measure stainless steel products.
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