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  • hastelloy B alloy’s Physical properties and application

    Physical properties The physical properties of Hastelloy B alloy are shown in Table 7-28. concentration g•mm-3 Melting point/℃ Resistivity(20℃) coefficient of linear expansion/10-6K-1 / un • m 20~ 100℃ 20 -200℃ 20 – 300℃ 9. 24 1320 – 1350 1.35 11.2 11.4 ...
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  • hastelloy B alloy performance of hot working, cold working, heat treatment and welding

    A thermal processing HastelloyB alloy can be hot-processed and deformed, but the deformation resistance is large and the deformation temperature range is narrow. The hot working temperature of this alloy is preferably 1000~1200 °C. B Cold working The solid solution Hastelloy B alloy has good cold...
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  • Intergranular corrosion of 0MO28Ni65Fe5(hastelloyb) alloy

    Although Hastelloy B alloy has good solid solution corrosion resistance, especially hydrochloric acid, sulfuric acid, etc., once it is welded and used in hydrochloric acid or sulfuric acid, the edge corrosion occurs at the weld, and the intergranular region appears in the heat affected zone. corr...
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  • General Corrosion resistance of 0MO28Ni65Fe5(hastelloyb) alloy —in alkali and salt

    0MO28Ni65Fe5(hastelloyb) alloy  in  alkali and salt The test shows that the Hastelloy B alloy has a corrosion rate of only 0.050 mm/a at a concentration of ≤70% NaOH and a temperature of ≤120 °C; in 60% NaOH with a boiling point of 165 ° C and 70% NaOH with a boiling point of 190 ° C, The corrosi...
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  • General Corrosion resistance of 0MO28Ni65Fe5(hastelloyb) alloy —in H3P04

    (4) H3P04 In phosphoric acid, (4) H3P04. In phosphoric acid, 0Mo28Ni65Fe5 alloy is resistant to H3P04 corrosion Corrosion, 0Mo28Ni65Fe5 alloy corrosion resistance slightly decreased in addition to filling air and pressurized high temperature Low, its H3P04 resistance is good. However, 0Mo28Ni65Fe...
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  • The advantage of vacuum smelting

    Vacuum smelting is carried out under ambient conditions of less than 1.01 x 105 Pa, and is generally smelted in an environment of 1000 to 0.1 Pa. In this environment, the gas molecules are scarce, it is difficult to dissolve the gas into the metal, the molten metal casting does not produce pores...
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  • General Corrosion resistance of 0MO28Ni65Fe5(hastelloyb) alloy —charpter 1

    General corrosion a: Atmosphere 0MO28Ni65Fe5 alloy has good corrosion resistance under all atmospheric conditions (including marine atmosphere and industrial atmosphere), and its corrosion resistance is equivalent to pure bond. Table 7-9 shows the results of experiments in the atmosphere over 12 ...
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  • Effect of molybdenum, iron and chromium on the properties of Ni-Mo alloy

    a: Effect of molybdenum on nickel properties The effect of molybdenum on the electrochemical behavior of nickel in acidic media such as sulfuric acid and hydrochloric acid is extremely important. Adding molybdenum to nickel makes the electrochemical behavior of the alloy change the corrosion resi...
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  • Oil well pipe G3 alloy

    With the technological advancement and actual needs of the entire industrial field, nickel-based corrosion-resistant alloys have been widely used since the 1980s, including a large number of non-critical media such as seawater: use, the purpose of equipment Reliability and reduced maintenance cos...
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  • Extrusion characteristics of nickel-based alloy

    The production of pipes is often extruded. From the international point of view, there has been a deep research on the extrusion of soft metals such as Mg, Al, Cu, etc. In about 1797, the British Braman was designed. The world’s first mechanical extruder for lead extrusion has been patented...
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  • Definitation and classification of nickel base alloys and iron-nickel base alloys

    Nickel-based corrosion-resistant alloy – based on nickel (w (Ni) >=50%) and containing elements (Cr, Mo, Cu, W, Si, Al, Ti) that impart corrosion resistance to the alloy and resistant to corrosion A series of alloys whose properties are mainly used for performance, called nickel base cor...
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  • Summary of nickel based alloys and iron-nickel based alloys

    Pure nickel is an extremely expensive industrial raw material. In addition to its direct application as a metal material, its most important use is the role of alloying elements in the stainless steel industry and its nickel-based and iron-nickel based corrosion-resistant systems. alloy. Nickel-b...
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  • Monel400 resistant corrosion-in Gas corrosion

    Ni68Cu28Fe (Monel 400) alloy is corrosion resistant in dry gas at room temperature, but is not resistant to chlorine, bromine, nitrogen oxides, ammonia and sulfur dioxide gas containing significant amounts of water. air. Ni68Cu28Fe (Monel 400) alloy has lower oxidation resistance in air and oxyge...
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  • Monel400 corrosion resistance—water corrosion

    In water, the most important problem with alloys with good resistance to uniform corrosion is pitting and stress corrosion, such as stainless steel and aluminum alloys. Although they have good resistance to uniform corrosion, pitting and stress corrosion in water are often accompanied. Born, so y...
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  • Monel400 corrosion resistance—in Marine Atmosphere

    Monel400 corrosion resistance Ni68Cu28Fe (Monel 400) alloy has good corrosion resistance, is more corrosion resistant than pure nickel in reducing medium, and is more resistant to corrosion in copper in oxidizing medium. Since this alloy is a single-phase austenite solid solution alloy, there is ...
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  • Low Temperature Mechanical Properties of Ni68Cu28Fe( Monel 400) Alloy

    The low temperature mechanical properties of Ni68Cu28Fe (Monel 400) alloys in different states are shown in Table 5-14, and the low temperature impact properties are shown in Table 5-15 and Table 5-16. From the low-temperature impact performance data of the alloy, it is known that even in the liq...
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  • Room Temperature Mechanical Properties of Ni68Cu28Fe( Monel 400)

    Room Temperature Mechanical Properties of Ni68Cu28Fe( Monel 400) The room temperature tensile properties of different types of metallurgical products under different conditions are shown in Table 5-2. The cold working hardening tendency of plates and strips is shown in Table 5-3. Tensile properti...
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  • Ni-Fe-Cr-Mo-Cu alloys

    Ni-Fe-Cr-Mo-Cu alloy is an important part of iron-nickel based corrosion resistant alloy. It is a series of alloys formed by adding a proper amount of copper to the 1Ni-Fe-Cr-Mo alloy. After adding Cu, the corrosion resistance of the alloy in the reducing acid is improved, especially in the hot s...
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  • Ni-Fe-Cr-Mo iron-nickel based corrosion resistant alloy

    Ni-Fe-Cr-Mo iron-nickel based corrosion resistant alloy Reviewing the history of corrosion resistant alloys, it is not difficult to conclude that the development of Ni-Fe-Cr-Mo alloys stems from the conclusions of two technical ideas. One is to replace some of the Ni and Mo in the alloy on th...
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  • 800H alloy and its properties

    The 800 series alloy is a nickel-chromium-iron corrosion-resistant alloy developed by Inco-corporation of the United States in 1949. The early alloy grade was Incoloy800. Incoloy800H referred to as 800H is developed on the basis of Incoloy800 alloy, which is equivalent to the high carbon type NS1...
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  • C-276 alloy and hastelloy C alloy

    C-276 alloy is an important nickel-based corrosion-resistant material. Because it contains about 16% (mass fraction) of Mo and Cr, it has strong resistance in both oxidizing and reducing media. It is called a general-purpose corrosion-resistant alloy. Compared with general stainless steel and oth...
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  • Corrosion resistance of 825 alloy

    Alloy 825 is a solid solution strengthened nickel-based corrosion-resistant alloy that may precipitate carbides at the grain boundaries during hot processing or during heat treatment. These carbides adversely affect the corrosion resistance of Alloy 825. The SR101 reactor of a domestic perfumery ...
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  • Weldability of Alloy 825

    825 alloy is a kind of austenitic metal material containing less AL and Ni-Cr-Fe. It has corrosion resistance, high strength, high temperature oxidation resistance and good weldability. When 825 alloy is welded, since S, P and other impurities are segregated in the weld metal, the Ni-NiS low-melt...
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  • Hot workability of 825 alloy

    The 825 alloy has a narrow thermoforming section and high deformation resistance. The 825 alloy was subjected to hot compression and hot tensile tests. It was found that the section shrinkage of the 825 alloy during hot stretching increased first and then decreased with increasing stretching temp...
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  • Alloy 825 breif

    Alloy 825 is a nickel-iron-chromium solid solution strengthening alloy invented by Inco Corporation with molybdenum, copper and titanium. It was developed for use in both reducing and oxidizing media. The alloy has resistance to chloride ion stress corrosion cracking, resistance to pitting, crevi...
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  • Atmospheric corrosion—serier All-round corrosion (1)

    In the atmosphere, Ni68Cu28Fe (Monel 400) alloy has extremely high corrosion resistance and is an extremely corrosion resistant alloy. Figure 5-17 shows the results of a 20-year test conducted under atmospheric conditions in different parts of the United States. The 20-year test results in the ma...
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  • Monel 400 materials chemical properties

    Ni68Cu28Fe (Monel 400) is the first nickel-corrosion resistant alloy used in industry. Due to its good comprehensive performance, it has the largest amount of application, the widest application range, and has achieved good use effect, becoming an indispensable corrosion resistance. Structural ma...
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  • Induction heating reaming

    Induction heating is a method of using a principle of electromagnetic induction to place a billet in an alternating magnetic field to generate an induced current inside, thereby generating Joule heat to heat the billet. Induction heating has many advantages: first, the energy consumption is low, ...
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  • Production process of nickel-based alloy pipe

    The nuclear steam generator heat transfer tubes are seamless tubes. Because the seamless tubes are integrally formed and have no welded joints, their pressure resistance and corrosion resistance are much better than welded tubes and become the preferred pipe for pressure pipes. Generally speaking...
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  • Hot extrusion technology of seamless steel tube

    When producing seamless steel tubes by hot extrusion, the tube blank must be a hollow billet. One is a hollow blank in which a forged billet or a billet is made into a hole, and the other is a hollow billet which is centrifugally cast. Perforation of billet or billet, depending on the type of ste...
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  • Hot extrusion of steel pipes

    Hot extrusion is extrusion at temperatures above the recrystallization temperature. Hot extrusion technology for steel materials The rapid development was achieved after the invention of the glass lubricant extrusion method by J. Sejournet of France in 1941. When hot-squeezing steel materials, in...
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  • Extrusion characteristics of nickel-based alloy

    The production of pipes is often extruded. From the international point of view, there has been a deep research on the extrusion of soft metals such as Mg, Al, Cu, etc. In about 1797, the British Braman designed. The world’s first mechanical extruder for lead extrusion has been patented. Fr...
    Read more
  • Hot extrusion

    Extrusion is the application of an external force to a metal blank placed in a container (squeezing cylinder) to flow out of a specific die hole to obtain a desired cross-sectional shape and size – mainly for stainless steel, nickel-based superalloys and hard The bar, tube and profile of th...
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  • C-276alloy

    C-276 alloy is an important nickel-based corrosion-resistant material. Because it contains about 16% (mass fraction) of Mo and Cr, it has strong resistance in both oxidizing and reducing media. It is called a general-purpose corrosion-resistant alloy. Compared with general stainless steel and oth...
    Read more
  • 825alloy

    Alloy 825 is a nickel-iron-chromium solid solution strengthening alloy invented by Inco Corporation with molybdenum, copper and chin. It was developed for use in both reducing and oxidizing media. The alloy has resistance to chloride ion stress corrosion cracking, resistance to pitting, crevice c...
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  • Effect of chromium on corrosion resistance of nickel

    Figure 6-2 shows the effect of chromium on the constant potential anodic polarization of nickel. As the chromium content increases, the critical passivation current and the blunt current of the alloy decrease, and the passivation zone becomes wider, indicating that the corrosion resistance of nic...
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