Inconel 718 nickel-based alloy features strong corrosion resistance and high temperature stability, ideal for manufacturing core components used in various harsh chemical production environments.
| Item | Details |
|---|---|
| Product Brief Introduction | Inconel 718 is a premium nickel-based superalloy bar widely applied in chemical industry. It owns outstanding corrosion resistance, high temperature strength and pressure resistance, perfectly suitable for manufacturing chemical reaction equipment, pipeline parts and high-temperature resistant components in harsh chemical environments. |
| Core Selling Points | 1. Superior comprehensive corrosion resistance, resistant to acid, alkali, salt solution and various chemical medium erosion;
2. Stable mechanical performance under high temperature and high pressure, not easy to deform and crack in long-term service; 3. Excellent anti-oxidation and anti-creep property, adapt to continuous operation of chemical production equipment; 4. High machining accuracy and stable dimension, easy for deep processing and on-site assembly; 5. Good welding and forming performance, convenient for making various chemical special-shaped parts; 6. Uniform internal structure and stable batch quality, reduce equipment failure and maintenance cost; 7. Resist hydrogen embrittlement and stress corrosion cracking, greatly extend service life of chemical equipment. |
| Executive Standards | ASTM B637, AMS 5662, DIN 17752, EN 10263, ISO 9001 chemical industry material specification standards. |
| Material Grade | Inconel 718, UNS N07718, W.Nr.2.4668, Equivalent grade GH4169. |
| Chemical Composition (WT%) | Ni:50.00-55.00, Cr:17.00-21.00, Fe:14.00-18.00, Mo:2.80-3.30, Nb:4.75-5.50, Ti:0.65-1.15, Al:0.20-0.80, C≤0.08, Mn≤0.35, Si≤0.35, P≤0.015, S≤0.015, Cu≤0.30. |
| Mechanical Properties | Tensile Strength ≥1240MPa, Yield Strength ≥860MPa, Elongation ≥15%, Hardness 300-380HB, excellent high temperature fatigue resistance and impact resistance, stable performance under medium and high temperature working environment. |
| Dimensional Tolerance | Diameter tolerance ±0.02mm~±0.03mm, length tolerance ±0.3mm/m, straightness ≤0.2mm/m, strict control on roundness and surface finish, meet chemical equipment precision assembly requirements. |
| Reason for Chemical Industry Adoption | Chemical production involves a large number of corrosive media, high temperature and high pressure working environment. Ordinary carbon steel and stainless steel are easy to be corroded and damaged. Inconel 718 can resist strong chemical corrosion, bear long-term high temperature and pressure load, avoid equipment leakage and safety accidents, lower replacement frequency, and ensure stable and continuous chemical production. |
| Applicable Working Conditions | 1. High temperature and strong acid-base reaction workshop;
2. High pressure chemical pipeline and fluid conveying system; 3. Petrochemical refining and raw material processing environment; 4. Salt water, seawater desalination and chlorine-containing medium working conditions; 5. High temperature oxidation furnace and chemical heating equipment; 6. Waste gas and waste liquid treatment corrosion-resistant equipment; 7. Fertilizer, pesticide and fine chemical production harsh environment. |
| Matching User Demands | 1. Demand for long service life of corrosion-resistant equipment parts;
2. High safety demand for high temperature and high pressure production accessories; 3. Stable material performance demand for continuous industrial production; 4. Precision processing demand for chemical customized mechanical parts; 5. Low maintenance and cost-saving production material demand; 6. Qualified material certification demand for chemical project acceptance. |
| Common Matching Products in Chemical Industry | Inconel 718 round bar, flat bar, seamless pipe, plate sheet, welding wire, forged fittings, corrosion-resistant fasteners, reactor accessories, heat exchanger parts, chemical pump shaft and valve core components. |
| Extra Supplementary Info | All products are supplied with official MTR material test reports, full surface inspection and non-destructive testing. Support customized size, cutting service and surface treatment. Fully meet global chemical engineering equipment procurement and installation standards. |