ASTM B564 UNS N04400 Monel 400 nickel alloy flange as a common issue in marine environments

Nickel Alloy 400 and Monel 400, also known as UNS N04400, is a ductile nickel-copper-based alloy consisting primarily of two-thirds nickel and one-third copper. Nickel Alloy 400 is known for its resistance to a variety of corrosive conditions, including alkalis (or acids), salt water, hydrofluoric acid, and sulfuric acid. Since Monel 400 or Alloy 400 is a cold worked metal, this alloy has high hardness, stiffness and strength. By cold working ASTM B164 UNS N04400 bar stock, the alloy is subjected to higher levels of mechanical stress, which in turn causes changes in the alloy’s microstructure.

Nickel-copper-based alloy 400 Monel 2.4360 cold drawn rod is virtually immune to chloride stress-related corrosion cracking when exposed to corrosive media in typical environments. Monel 400 is a copper and nickel based alloy that is popular today due to its high performance. The alloy has excellent acid and alkali resistance. In addition, it has good tensile strength, ductility, excellent thermal conductivity, and can be hardened by cold work. Additionally, it can be used in applications with temperatures ranging from minus to 538 degrees Celsius.

SCH40 Monel 400 Pipe is designated as Werkstoff Number 2.4360 and UNS N04400. Alloy 400 Pipe also known as Monel Alloy 400 Pipe, Monel 400 Pipe & Nickel Alloy 400 Pipe.

Monel 400 has excellent resistance to chloride ion stress corrosion cracking.

Its toughness lends itself to use in nuclear power plants, mining, cement, and the oil and gas industry.

Monel alloy K-500 pipe bend and elbow have been found to be resistant to a sour-gas environment. After 6 days of continuous immersion in saturated (3500ppm) hydrogen sulfide solutions at acidic and basic pH’s (ranging from 1.0 to 11.0), U-bend specimens of age-hardened sheet show no cracking.

Monel 400 Welded Pipe (NA13, N04400) offer hardness, strength and corrosion resistance with good fabrication capabilities. Monel 400 ERW Pipe can easily be welded by gas metal arc, gas-tungsten arc or shielded metal arc processes using appropriate filler metals.

The hex head design of the Monel bolt also allows the wrench to easily grasp it, improving the tightening and loosening experience. Monel k500 ASTM material provides advanced quality corrosion protection from hydrofluoric acid, salts, alkalinity and more. Monel NiCu k500 hex bolts are also resistant to seawater and steam, so they are a solid choice for marine applications.

The best machinability for these Monel K500 Lap Joint Flanges is in the annealed condition. Meanwhile, these Monel K500 Socket Weld Flanges are also being offered in different sizes and shapes to our customers.

Alloy 400 Pipe Flanges the Monel 400 Flanges shows evidence of excellent temperature. On the other hand, properties such as Strength and hardness of the Monel 400 Lap Joint Flange is only slightly diminished with regards to the other properties like ductility or impact resistance. Besides its the alloy is renowned for its toughness or impact strength properties. And therefore is very appropriately used in applications like chemical and hydro-carbon processing, heat exchangers, valves and pumps.

Monel 400 works in a range of acidic and alkaline environments and features excellent ductility and thermal conductivity.

Monel K500 fasteners are cold worked prior to precipitation hardening. The strength of the fasteners is stable to 1200 degrees Fahrenheit. Here, at this temperature, it becomes more ductile, reaching toughness around 400 degrees Fahrenheit. Higher strength and hardness after precipitation hardening compared to 400. Due to its numerous advantages, Monel K500 ASTM fasteners are used in a wide range of industries.

Monel 400 is well known for its high strength and corrosion resistant properties. It works in a wide range of temperatures, and is available in multiple forms for a variety of products. Monel 400 is used extensively in (for pipe) piping. Resistant to both steam and seawater, its toughness and anti-corrosive properties make it perfect for heavy duty applications such as transfer (pipe) piping used in oil refineries.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.20

We manufacture Monel K500 flanges from nickel and copper alloys. The material has excellent resistance to aggressive materials and solutions such as oxidizing salts, acids, nitrates and other oxidizing agents.

A standout feature of Monel flanges is their excellent resistance to hydrofluoric acid, a particularly difficult acid to handle, at all concentrations up to the boiling point.

Monel 400 and K500 nuts also exhibit excellent corrosion resistance in marine applications and have reasonable corrosion resistance to sulfuric and hydrochloric acids under reducing conditions. A standout feature of monel nuts is their excellent resistance to hydrofluoric acid, a particularly difficult acid to handle, at all concentrations up to the boiling point. For hydrofluoric acid applications, Monel nuts are probably the most corrosion resistant of all commonly used specialty alloys.

The blind flanges are used to close a connection while the slip on flanges are used to adjust a connection position. The ASTM B564 Monel 400 Slip On Flanges allow the seamless pipes to slip onto them so the positioning becomes easy. There are welded flanges as well as threaded flanges.

Monel gaskets, such as Monel 400 and K500, are made of nickel-copper alloys that exhibit high strength, toughness and good corrosion resistance over a wide temperature range. A standout feature of Monel gaskets is their excellent resistance to hydrofluoric acid, a particularly difficult acid to handle, at all concentrations up to the boiling point. For hydrofluoric acid applications, Monel gaskets are probably the most corrosion resistant of all commonly used specialty alloys.

Las aplicaciones tipicas de la alta resistencia y resistencia a la corrosion de MONEL K500 son ejes de bombas, impulsores, ejes de helices, componentes de valvulas para barcos y torres de perforacion en alta mar, pernos, collares de pozos de petroleo y componentes de instrumentacion para la produccion de petroleo y gas.

A finished hex nut, also known as a standard hex nut, has a smaller width across the flats and corners compared to a heavy hex nut. Heavy hex nuts are thicker and heavier in weight. The proof load strength is higher than a standard hex nut. Heavy hex nuts provide increased bearing surface area over finished nuts.

Alloy 400 Seamless Tubing has good ductility which helps to shape and form easily & are available in flat oval, elliptical, round, rectangular & square shapes with 0.030 in. to 1.250 in. OD, 0.008 in. ID & 0.003 in. to 0.280 in. wall thickness.

Alloy 400 is resistance to neutral, alkaline and acid salts is shown, but poor resistance is found with oxidizing acid salts such as ferric chloride.

Alloy 400 fasteners have a melting point of 1350 degrees Celsius. The density of the material is higher than most chrome-nickel stainless steels. The density of Monel 400 material is 8.8 grams per cubic centimeter. The strength also exceeds that of the 304, 316 and 310 grades of austenitic stainless steels. The minimum yield strength is 240MPa and the minimum tensile strength is 550MPa. UNS N04400 Studs are made from a single strand of Monel 400 material.

Monel K500 bolts offer a unique combination of high strength with similar corrosion resistance to Monel 400 and improved resistance to a sour-gas environments.

Monel 400 is a flexible nickel (63% minimum) – copper (34% maximum) alloy retaining strength and toughness at low temperatures while still being effective at temperatures around 1000 degrees F.

The Monel400 bar is a nickel-copper alloy (about 67% ni-23% Cu) that is resistant to seawater and steam as well as salt and corrosive solutions at high temperatures.

MONEL K500 is a age-hardenable Nickel-Copper alloy which combines the corrosion resistance of Alloy 400 with high strength corrosion fatigue and erosion resistance.

ASTM B564 UNS N04400 Pipe Flange Monel 400 has a wonderful corrosion resistance by many reducing media such as sulfuric and hydrochloric acids.

Applications that deal with the marine environment are required to be resilient to the effects of saltwater. After all, the concentration of salt in marine water is about 3.5%, enough to corrode ordinary steels with no protective surface treatment.

It has excellent solderability and can withstand very high pressure and weight. The alloy has excellent mechanical properties at sub-zero temperatures, with a melting point of 2370¡ã – 2460¡ã F, and the product can be used at temperatures up to 1000¡ã C.

Monel K-500 combines the excellent corrosion resistance of Monel 400 with the added benefits of higher strength and hardness. Performance can be improved by adding aluminum and titanium to the nickel-copper matrix and by heating under controlled conditions to precipitate submicroscopic particles of Ni 3 (Ti, Al) throughout the matrix.

Alloys like Monel 400 flanges perform well in marine environments due to their chemical composition. The copper content is between 28% and 34% and is known as a superalloy due to its good corrosion resistance.

The strength of this nickel steel alloy is maintained to 1200¡ã F but stays ductile and tough down to temperatures of 400¡ã F. Its melting range is 2400-2460¡ã F.