Inconel 625 Machining Service
Inconel 625 is a high-performance nickel-based superalloy with extremely high high-temperature strength, excellent corrosion resistance and outstanding oxidation resistance.
- Perfect material manufacturing process
- Highly competitive material prices
- 15+ years of experience in high-temperature alloy processing
- Fast delivery
What is Inconel 625?
Inconel 625 is a precipitation-hardening nickel-based superalloy, also commonly known as Nickel Alloy 625, UNS N06625, EN2.4856 and DIN 17744. Its main components include nickel, chromium, molybdenum, and aluminum, and it also contains small amounts of titanium, iron, and other elements.This alloy is widely used in aerospace, chemical, power generation, and marine engineering industries due to its excellent corrosion resistance, high-temperature resistance, and good mechanical properties.
Inconel 625 material properties
Inconel 625 Composition
- Ni:58%-70%
- Cr:20%-23%
- Mo:8%-10%
- Ti:0.4%-1.0%
- Al:0.4%-1.0%
- Fe:5%max
- Nb+Ta:3.15%-4.15%
Inconel 625 Physical properties
- Inconel 625 Density ：8.44 g/cm³
- Inconel 625 melting point ：1290℃ – 1350 ℃
- Inconel 625 coefficient of thermal expansion:0–100 ℃：12.8 ×10⁻⁶ /℃ 20–1000 ℃
- Inconel 625 is non-magnetic.
Inconel 625 Mechanical properties
- Inconel 625 tensile strength：1030~1240MPa
- Inconel 625 Yield strength ：550~830MPa
- Inconel 625 hardness ：90-110HB
- Inconel 625 exhibits excellent corrosion resistance in seawater, acidic environments, and chloride-containing media. It is resistant to stress corrosion cracking caused by chlorides, making it particularly suitable for marine environments.
How to machine inconel 625?
inconel 625 cnc machining
Inconel 625 CNC machining includes CNC milling and CNC turning. Due to the high strength, high hardness, and poor machinability of Inconel 625, appropriate cutting tools must be selected for machining, such as PCD tools and ceramic-coated tools. In addition, reasonable machining parameters need to be chosen.
Inconel 625 casting
Casting is a common manufacturing method for Inconel 625, particularly suitable for components requiring complex shapes, high strength, and high corrosion resistance. Investment casting is the most suitable casting method for Inconel 625. Due to the high melting point of Inconel 625, the temperature during the casting process must be strictly controlled to prevent premature cooling of the alloy, which can lead to casting defects (such as pores, cracks, and inclusions).
3D printing inconel 625
Inconel 625 is an expensive high-temperature alloy material, and Inconel 625 3D printing has enormous application potential, especially for manufacturing complex-shaped, high-performance parts. It can effectively optimize designs, reduce material waste, shorten production cycles, and facilitate customized manufacturing.
Selective laser melting (SLM) is one of the most commonly used techniques for Inconel 625 3D printing. This technique uses a laser beam to melt metal powder layer by layer, fusing and solidifying each layer of powder with the high temperature of the laser beam to gradually build the final part.
Inconel 625 stamping
Inconel 625 stamping is a challenging manufacturing process, primarily due to its high strength, low ductility, and poor plasticity. To successfully perform stamping, a series of optimization measures are required, such as heating the material, selecting appropriate die materials, controlling stamping speed and pressure, using lubricants, and employing multi-stage stamping. Through these methods, Inconel 625 can achieve excellent deformability and surface quality during the stamping process, meeting the demand for high-performance parts in aerospace, chemical, marine, and other industries.
Inconel 625 forging
Inconel 625 forging is an important process for manufacturing high-strength, corrosion-resistant parts, widely used in aerospace, chemical, energy, and marine engineering. The forging process provides superior mechanical properties and material uniformity, but due to the high hardness and strength of Inconel 625, special attention must be paid to factors such as temperature control, pressure control, and cooling rate during the forging process. By precisely controlling the forging temperature and pressure, and combining this with appropriate heat treatment, excellent part quality can be achieved.
Stellite Welding
Stellite welding refers to the process of bonding Stellite 6, Stellite 12, Stellite 21, and other grade materials onto an Inconel 625 substrate using Plasma Transferred Arc or laser cladding. It is primarily used in the oil and gas industry for valves, valve seats, and valve disc sealing surfaces, as well as in the drilling industry for wear-resistant layers on drill bits. This significantly reduces manufacturing costs for these precious metal materials.
Manufacturing process of Inconel 625 material
Precionn is a comprehensive superalloy materials manufacturing company that integrates the research and development, smelting, forging, heat treatment, cold forming, and finished product processing of Inconel 625 materials.
smelting
Our company possesses a 50T smelting electric furnace, an LF refining furnace, a VOD furnace, and a VD furnace.
forging
Our company has a 5000T forging machine, which can form Inconel 625 bars and plates of various diameters.
Heat treatment
Inconel can meet the processing needs of customers in different industries by using different heat treatment methods. The most common method is standard double aging(Solution Treatment + Double Aging,which is suitable for most Inconel 625 bars and plates.
Hot rolling
Inconel 625 can be hot-rolled into plates, bars, profiles, or tubes of various specifications.
Flaw detection
Inconel 625 is commonly used in critical industries such as oil and gas. After our materials are manufactured, in addition to routine composition analysis using a spectrometer, we also conduct internal flaw detection to ensure the product is free of cracks and meets production safety requirements.
Why choose Precionn for Inconel 625 parts?
Excellent manufacturing capabilities
A complete manufacturing process, from raw material production, CNC machining, to finished product inspection and shipment, can be completed with high quality.
preferential material costs
Precionn possesses complete material manufacturing capabilities, capable of independently completing processes from smelting, forging, heat treatment, hot rolling, and finished product inspection..
High-quality quality management
- System Certificate:ISO 9001，IS013485，AS9100D，IATF16949
- All materials must undergo spectrometer testing and physical property testing to ensure they meet the requirements for chemical composition and physical properties.
- All forged parts and welded materials undergo flaw detection to ensure that there are no internal cracks in the materials and products.
Customized solutions
- We have excellent stamping manufacturing capabilities and can customize Inconel 625 thin parts.
- We have excellent CNC machining capabilities and can customize Inconel 625 valves and flanges.
- We have extensive experience in supermaterial welding and can customize welding of Inconel 625 valve ports and cladding welding to meet specific requirements.
Application of inconel 625 in industries
Aerospace
- Turbine Disk
- Compressor Disk
- Fasteners (high-temperature bolts, nuts, studs)
- Seal Ring
- Mount Bracket
- Turbine Blades
Oil & Gas
Inconel 625 is primarily used in the oil and gas industry for critical equipment and components operating in high-temperature, corrosive gas, and high-pressure environments.
- Safety valve components
- Drill bit, drill pipe, pump casing, valve, compressor blades
- Adapters, connector rings, fasteners
Chemical Equipment / Marine Engineering
Inconel 625 is widely used in the marine industry, primarily due to its superior resistance to seawater corrosion, high-temperature performance, oxidation resistance, and good mechanical strength. In marine environments, equipment and structural components often face extremely harsh conditions such as high salinity, seawater corrosion, deep-sea pressure, and extreme temperature variations. Therefore, Inconel 625 has become the material of choice for many critical marine engineering applications.
- Oil drilling pipes, fasteners, drill bits
- Submersible hull and frame
- Marine structural components (such as hulls, platforms, and pipelines)
- Ocean sonar casing
- underwater robot structural components
Inconel 625 FAQS
We have a complete set of material manufacturing and testing equipment, capable of providing materials that meet the requirements of different national standards and achieve ATSM B443 、EN 10204、DIN 17744 certification standards.
Inconel 625 is mainly designated globally as follows: NiCr22Mo9Nb，inconel625,GH625
When machining high-temperature alloys like Inconel 625, their unique material properties (high strength, high hardness, and good corrosion resistance) typically cause significant tool wear and thermal stress. Therefore, CBN tools, ceramic tools, and TiAlN, TiCN, or AlTiN coated tools are required.
If the materials do not require customization, the fastest prototype production time is generally three days. If the materials require special customization, the prototype production time is generally 10 days.