Monel 400 Machining Service
Monel 400 is a nickel-copper single-phase austenitic corrosion-resistant alloy, and one of the earliest and most widely used nickel-based corrosion-resistant alloys. Due to its excellent corrosion resistance and comprehensive mechanical properties, it occupies an important position in chemical, marine and other fields.
- Perfect material manufacturing process
- Highly competitive material prices
- 15+ years of experience in Nickel-based alloys machining
- Fast delivery
What is Monel 400?
Monel 400 is an alloy containing approximately 63% nickel, primarily composed of nickel and copper, with trace amounts of iron, manganese, silicon, and carbon. Monel 400 is an alloy with excellent corrosion resistance and mechanical properties, conforming to standards ASTM B164, ASTM B127, ASTM B165, ASTM B564, and. Its corrosion resistance in high-temperature, highly corrosive environments, high strength, low coefficient of thermal expansion, and non-magnetic properties make it an indispensable material in many demanding fields, such as marine engineering and the chemical industry.
Key material properties of Monel 400
Monel 400 chemical composition
- Ni:63%-70%
- Cu:28%-34%
- C:≤0.3%
- S:≤0.024%
- Fe:≤2.5%
- Mn:≤2.0%
- Si:≤0.5%
- Other impurities：margin
Monel 400 material properties
- Monel 400 density：8.8 g/cm³
- Monel 400 melting point：1300°C ~1350°C
- Monel 400 coefficient of thermal expansion:20°C ~ 100°C：13.3 × 10⁻⁶ /K
- Monel 400 is non-magnetic.
- Monel 400 thermal conductivity：35 W/m·K
Monel 400 Mechanical properties
-
Monel 400 tensile strength：500-700 MPa
-
Monel 400 Yield strength ：220 MPa
- Monel 400 hardness ：85 HRB
How to machine Monel 400?
Monel 400 cnc machining
Monel alloys are difficult to machine (high plasticity, poor thermal conductivity, and prone to tool sticking). The main machining methods include CNC milling, CNC turning, and precision grinding. They are suitable for machining precision parts made of Monel 400 material.
Monel 400 Forging
Monel 400 forging is divided into cold working and hot working. Cold working is mainly used for precision forming and strength improvement, while hot working is suitable for forming large-sized blanks.
- monel 400 forging：Applicable products: flanges, forgings, pump body impeller blanks, shaft forgings.
- monel 400 cold forging：For the production of Monel 400 fasteners (bolts, nuts), the raw materials must undergo spheroidizing annealing or solution treatment to ensure plasticity.
Monel 400 Welding
Monel 400 has excellent weldability and is applicable to all conventional welding methods. The corrosion resistance of the welded joint is close to that of the base material.
- TIG/MIG welding:Suitable for connecting Monel 400 plate, Monel 400 pipes, and Monel 400 precision components.
- Arc welding: Suitable for Monel 400 thick plates, on-site installation
- Submerged arc welding: Suitable for batch welding of Monel 400 thick plates and Monel 400 storage tanks.
Manufacturing process of Monel 400 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 Monel 400 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 Monel 400 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 Monel 400 bars and plates.
Hot rolling
Monel 400 can be hot-rolled into plates, bars, profiles, or tubes of various specifications.
Flaw detection
Monel 400 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 custom Monel 400 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 Monel 400 parts.
- We have excellent CNC machining capabilities and can customize Monel 400 valves 、Monel 400 fasteners and Monel 400 flanges.
- We have extensive experience in supermaterial welding and can customize welding of Monel 400 valve ports and cladding welding to meet specific requirements.
Monel 400 applications
Energy and power industry
Corrosive media circulation systems suitable for thermal power generation, nuclear power, and other fields
- Power plants: Corrosion-resistant pipes and condensate heat exchanger components for flue gas desulfurization (FGD) systems.
- Nuclear power plant: Seawater cooling pipes for nuclear island auxiliary systems and accessories for radioactive wastewater treatment equipment (must meet relevant nuclear safety standards).
petroleum and chemical industry
Suitable for corrosive environments involving hydrofluoric acid, sulfuric acid, hydrochloric acid, alkaline solutions, and organic compounds.
- In the fluorochemical industry: Monel 400 is one of the few alloy materials that can be directly used in fluoride systems for the lining of hydrofluoric acid storage tanks, conveying pipelines, and reactor agitators.
- Petrochemical industry: corrosion-resistant components for crude oil distillation units, acidic oil and gas processing equipment, linings and inlet/outlet valves for gasoline storage tanks.
Marine engineering and shipbuilding
This is one of the main application areas for Monel 400, specifically for highly corrosive seawater conditions.
- Key ship components: heat exchangers and condensers for seawater cooling systems, pump bodies/impellers/shafts for seawater pumps, propeller shafts, valves, and piping fittings.
- Offshore platform equipment: seawater treatment pipelines for offshore oil and gas platforms, corrosion-resistant fasteners for oil production platforms, and submarine cable sheath support components.
Monel 400 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 ASTM B164, ASTM B127, ASTM B165, ASTM B564 certification standards.
The price of Monel 400 bar stock is approximately $19.72 per pound, and the price of Monel 400 forgings is approximately $26.30 per pound.
When machining high-temperature alloys like Monel 400, 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.