GH4169 Seamless pipe for petrochemical industry
GH4169 Seamless pipe for petrochemical industry
GH4169 seamless steel pipe (equivalent to Inconel 718 or UNS N07718) is a high-performance precipitation-strengthened nickel-based superalloy. Due to its excellent strength, corrosion resistance and stability in harsh environments, it is widely used in the petrochemical industry.
What is GH4169?
GH4169 is a nickel-chromium alloy containing significant amounts of iron, niobium, and molybdenum, as well as small amounts of aluminum and titanium. It is known for its high strength, excellent corrosion resistance, and good weldability. It is commonly used in gas turbines and jet engines.
CHEMICAL COMPOSITION of GH4169 seamless Pipe
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| GH4169 | 0.08 max | 0.35 max | 0.35 max | 0.015 max | 0.30 max | - | 50.00 - 55.00 | 17.00 - 21.00 |
MECHANICAL PROPERTIES of GH4169 Round Pipes
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| GH4169 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Petrochemical Industry Applications
GH4169 seamless steel pipes are suitable for critical applications where standard stainless steel may fail, including:
Reactors and Pressure Vessels: Used to manufacture components handling highly corrosive and high-temperature chemicals and media.
Hydrogenation Equipment: Used in processes involving hydrogen, high temperatures, and high pressures.
Corrosive Media Piping: Ideal for conveying corrosive fluids, steam, oil, and natural gas, especially suitable for high-pressure and high-temperature environments.
Steam Generators and Heat Exchangers: Widely used in heat transfer systems in chemical plants and refineries due to their excellent heat and corrosion resistance.
Oil and Gas Exploration: Used in drilling platforms and oil well equipment, where resistance to extreme conditions is crucial.
Manufacturing Process and Standards
Standards: This material typically conforms to standards such as UNS N07718 and W.Nr. 2.4668, as well as national standards such as GB/T 14992-2005.
Heat Treatment: The performance of this material is highly dependent on a specific heat treatment process (solution treatment followed by two-step aging treatment). Different strength and performance requirements can be met by adjusting the heat treatment process.
Supply Form: Seamless steel pipes of various outer diameters and wall thicknesses are available.
In summary, GH4169 seamless steel pipe is a robust, durable, and high-performance material, particularly suitable for the extreme conditions (high temperature, high pressure, and corrosion) commonly encountered in the petrochemical industry.
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of GH 4169 stainless steel strip/coil available for fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), Chemical Composition Certificate, and Mechanical Properties Certificate.
✅ Value-added services: Slitting, Cutting, Polishing, Surface Treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export documentation.
Email: ss@gneemetal.com
Gnee Steel is a professional manufacturer of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to request customized alloy material solutions, please feel free to contact us at ss@gneemetal.com for a quote.
