Which is better, inconel600 or 625

Inconel 600 and Inconel 625 are two common nickel-based alloys that differ in chemical composition, properties, and applications. Below I will compare their characteristics so that you can choose the right material for your needs.

Chemical composition: Inconel 600 is mainly composed of nickel (Ni) and chromium (Cr), with small amounts of iron (Fe), copper (Cu) and other elements. In addition to nickel and chromium, Inconel 625 also contains elements such as molybdenum (Mo), niobium (NB), and has a higher nickel and chromium content.

Corrosion resistance: Both Inconel 600 and Inconel 625 have good corrosion resistance and can resist the erosion of various corrosive media. However, Inconel 625 performs better in harsh environments such as strong acids, salt water and chloride because it contains more anti-corrosion elements.

High-temperature performance: Inconel 600 has excellent high-temperature stability and strength, allowing it to operate for long periods of time in high-temperature environments. Inconel 625, on the other hand, is more suitable for high-temperature applications due to its higher resistance to hot corrosion and its ability to withstand higher temperatures.

Fatigue resistance: Inconel 625 has better fatigue resistance than Inconel 600 and maintains a long service life under harsh cyclic loads. Therefore, in applications where durability and fatigue resistance are required, Inconel 625 is a more suitable choice.

Strength and hardness: Inconel 625 has higher strength and hardness than Inconel 600 due to its higher alloying content. This makes Inconel 625 even more advantageous in applications where high-strength materials are required.

In summary, depending on the application requirements, the Inconel 600 and the Inconel 625 have their advantages. If you need a material with good corrosion resistance, Inconel 600 is a good choice. And if you need higher corrosion resistance, high temperature performance and fatigue resistance, then Inconel 625 is a better fit for your needs.

It is advisable to consult a professional for more detailed advice when selecting materials based on the specific application environment and requirements.

Choose the Inconel 600 of courseThe more nickel the alloy grows in grain at high temperatures, the better the austenite phase is maintained. I'm in nickel-based alloys.

In addition, you must maintain the strength of high-temperature materials when you make fixtures, Inconel 600 nickel will hinder grain growth, and at the same time contain slightly more iron, which is also conducive to ensuring strength at high temperatures. In terms of oxidation, both the theory and the data you provide illustrate the antioxidant properties of Inconel 600.

If you still have questions, you can send me a message.

The ingredients, uses, and properties are all different.

Inconel600 (NS312) alloy, the United States UNS number is N06600, is a typical Ni-Cr-Fe series of steel, belongs to the iron-based heat-resistant alloy, has good resistance to high-temperature oxidation and air blind chloride ion stress corrosion, and has high corrosion resistance to various waste gas alkaline solutions and most organic acids and compounds. It has excellent stress corrosion resistance in high concentration chloride and caustic solutions containing OH, as well as in hot and high-temperature water containing trace chlorides and oxygen. It is mainly used in chemical and food processing equipment and heat treatment equipment, such as the manufacture of heaters, heat exchangers, evaporators, distillation columns, and condensers for fatty acid treatment.

When Longji manufactures the regenerator with Inconel600 alloy welding, due to the poor fluidity of liquid metal and the shallow penetration depth of the weld metal, it is easy to produce various welding defects; The mechanical properties and corrosion resistance of the welded joints depend on whether the welding materials can be correctly selected, the amount of welding heat transfer is strictly controlled, and the reasonable welding process is formulated. According to the welding characteristics of INCONEL600 for the propylene plant manufacturing bucket regenerator, the reasonable welding process parameters are determined through the welding process test to guide the actual production.

Chemical composition. <>

Force early mess to learn performance.

Inconel600 alloy has low thermal conductivity, high coefficient of linear expansion, high resistivity and high strength surface protective film, and these physical properties (Table 3) determine the possibility of large weldment distortion and deformation, overheating in the near seam area, and the presence of harmful defects such as thermal cracks.

1. Inconel600 is an Inconel alloy. Alloy 718 is a precipitation-hardenable nickel-based alloy.

2. Inconel600 is hardened and strengthened by cold work only. The slow aging hardening reaction of Alloy 718 allows annealing and welding without spontaneous hardening during heating and re-cooling of the over-the-top grip. Nuclear Scramblers.

Both Inconel 600 and 718 are nickel-based alloys, but they differ in composition and properties.

Inconel 600 is an alloy with good corrosion resistance and high temperature resistance, consisting of elements such as nickel, chromium and iron. It has excellent corrosion resistance, can be used in seawater, alkaline and acidic environments, but also has excellent high temperature resistance, can be used in high temperature environments below 1000°C.

Inconel 718 is a high-strength, superalloy composed of elements such as nickel, chromium, iron, cobalt, molybdenum, aluminum, and titanium. It has excellent mechanical properties, fatigue strength, and heat resistance, and can be used in high-temperature and high-stress environments. Therefore, it is widely used in aerospace, petrochemical industry, nuclear industry and other fields.

The alloy can be strengthened by cold working, and can also be joined by resistance welding, fusion welding or brazing, and is suitable for making oxidation-resistant parts that bear low loads below 1100.

Inconel600 alloy density, melting point: 1370-1470, magnetism:

None, tensile strength: b 550mpa, yield strength b 240mpa: elongation:

30%, hardness 100 (HRB).

Melting temperature range 1370 1430 [1].

Thermal conductivity is shown in Table 2-1.

Table 2-1[2] 20 100 200 300 400 500 600 700 800 900 1000 (w (m· ) specific heat capacity See Figure 2-1.

The linear expansion coefficient is shown in Table 2-2.

inconel600 density =.

The electrical properties and resistivity of inconel600 are shown in Figure 2-2.

Table 2-2[2] 20 200 20 300 20 400 20 500 20 600 20 700 20 800 20 1000 10-6 -1 Inconel600 Magnetic properties The alloy is not magnetic.

Chemical composition.

Minimum, Max.

Nickel 72, Chromium 14 17

Iron 6 10

Carbon-manganese 1 silicon, copper, phosphorus and sulfur physical properties:

Density g cm3

Melting point 1370-1425

The minimum value of the mechanical properties of the alloy at room temperature:

Alloy condition, solution treatment, annealing treatment.

Tensile strength 550 rm n mm2 500 rm n mm2

Yield strength 240 n mm2 180 n mm2

Elongation 30 a5% 35 a5%.

Brinell hardness 195 HB 185 HB

1. Corresponding grade: GH3600 (GH600) INCONEL600 nickel-chromium-iron nickel-based corrosion-resistant and heat-resistant alloy.

2. Chemical composition: nickel, Ni, chromium, iron, copper, cu, manganese, Mn

Carbon C Si S

Three: Scope of applicationApplication field: perennial spot inventory round bar, plate, seamless pipe, tape and reel!

Evaporation tanks, machines for the acid and alkali industry, catalytic regenerators, curved neck flasks and components in heat treatment furnaces, especially in carbonized and nitriding gases, nuclear reactor power generation equipment, heat exchangers, resistance to chlorine and fluorine gas: production of organic or inorganic chlorides and fluorides, chlorine to titanium dioxide, production and use of corrosive alkali metals, especially in environments where sulfides are used, components for jet engines, refueling parts for turbojet engines, and other components used at high temperatures.

Four: physical properties: density: melting point: 1370-1425. Tensile strength MPA provides yield strength MPA elongation A5% Brinell hardness H B 200. High temperature mechanical properties (annealed state).

Temperature 240 Tensile Strength MPa* 30 Yield Strength MPa* 195

5. Overview: The alloy has corrosion resistance to various corrosive media.

Due to the chromium content, it has better corrosion resistance than pure nickel (alloy 200 201) under oxidation conditions. At the same time, it contains a large amount of nickel, which makes the alloy very resistant to corrosion in reducing conditions and alkaline solutions. In addition, it has strong resistance to stress corrosion cracking.

It has good corrosion resistance in organic acids such as acetic acid, formic acid, stearic acid, etc., and moderate corrosion resistance in inorganic acids. It has very good corrosion resistance in high-purity water used in primary and secondary cycles in nuclear reactors.

Inconel600 is an early development of Ni-Cr-Fe based solution strengthened alloy. It has good high temperature corrosion resistance and oxidation resistance, excellent cold and hot processing and welding process performance. It has good thermal strength and high plasticity below 700.

The alloy can be strengthened by cold working or joined by resistance welding, solution welding, or brazing. It can be used for cold-rolled sheets, hot-rolled thick plates, strips, wire rods, bars, round cakes, ring blanks, ring forgings, etc. It is suitable for manufacturing anti-oxidation parts with low load below 1100.

Inconel600 alloy is a nickel-chromium-iron-based solution strengthened alloy, which has good high temperature corrosion resistance and oxidation resistance, excellent cold and hot working and welding properties, and has satisfactory thermal strength and high plasticity below 700.

1. GH3600 Introduction:

GH3600 alloy is a very early development and application of Ni-CR alloy, because of its corrosion resistance, heat resistance, and curing resistance and good technology, widely used in various industries, Shanghai Bingzheng reminds everyone that when this type of alloy is useful, you can choose this alloy, because this alloy is cheaper than other alloys. It is also the material of choice for some industrial sectors. The alloy has satisfactory thermal strength and high plasticity below 800.

It has good high temperature corrosion resistance and oxidation resistance below 1000, the alloy has a stable structure for long-term use, has good cold and hot working and welding performance and low temperature mechanical properties, the alloy can be strengthened by cold working, and can also be connected by resistance welding, fusion welding or brazing, suitable for making engine combustion chambers working below 700-800 and oxidation resistant parts with low load below 1100. The main products are cold-rolled sheets, hot-rolled plates, strips, rods, tubes, ring forgings, etc.

2. GH3600 applications and characteristics:

GH3600 alloy has good corrosion resistance in fresh water and fluctuating seawater, may produce corrosion spots in still seawater, has high corrosion resistance to various alkaline solutions and most organic acids and compounds, and is not easy to produce stress corrosion cracks, but is prone to stress corrosion cracks under high concentration caustic alkali or high temperature HG conditions. It is widely used in the field of chemical processing, manufacturing heaters, evaporators, condensers for fatty acid treatment, equipment for processing rosin pavilion acid, and power industry.