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hastelloy C-4 —general corrosion,intergranular corrosion,point corrosion
The uniform corrosion resistance of hastelloy C-4 alloy is basically the same as that of hastelloy C alloy in various media. The most important feature of this alloy is that the C, Si and Fe contents are controlled at a low level, so the carbide and intermetallic phase precipitates are small, mak...Read more -
hastelloy C-276——General corrosion
The uniform corrosion resistance of hastelloy C-4 alloy is basically the same as that of hastelloy C alloy in various media. The most important feature of this alloy is that the C, Si and Fe contents are controlled at a low level, so the carbide and intermetallic phase precipitates are less, whic...Read more -
hastelloy C-276 —— Mechanical properties
The instantaneous mechanical properties of room temperature and high temperature of 00Crl6Ni65Mol6Ti ( hastelloy C-276 alloy) in different states are shown in Table 8-37~Table 8-39. From these data, it is known that the plasticity of this alloy does not decrease even after aging. The plasticity o...Read more -
hastelloy C-276——Physical properties
The physical properties of Hastelloy C-276 alloy are summarized in Table 8-36. density(221) Melting point Resistivity(24¾) Linear expansion coefficient/KT6!^1 /g • cm-3 /fift * m 24~93*C 24 – 204^ 24 ~316弋 24 -427^ 24 -538¾ 24 – 6491 8885 1323 - 1371...Read more -
hastelloy C-276 —Hot working, cold working, heat treatment and welding performance
Hot working, cold working, heat treatment and welding performance A hot working The thermal processing properties of Hastelloy C-276 alloy are similar to those of 0Crl6Ni60Mol6W4 alloy. Some thermal processing parameters can be referred to the latter. B cold working The alloy has good cold workab...Read more -
hastelloy C-276 Corrosion resistance——pitting and crevice corrosion
The pitting and crevice corrosion resistance of this alloy is shown in Table 8-33. The data show that the alloy has excellent pitting and crevice corrosion resistance in both the as-welded, solid solution and post-weld heat treatment conditions in some pitting and crevice corrosion resistance tes...Read more -
hastelloy C-276 Corrosion resistance ——Intergranular corrosion
The intergranular corrosion sensitivity of Hastelloy C-276, NS 3304, 00Cr16Ni60Mol6W4 alloy is much lower than that of 0Crl6Ni60Mol6W4 alloy. When it is sensitized or cooled after welding, the alloy still has secondary carbide and some intermetallic phases. W, the existence of these harmful phase...Read more -
Hastelloy C, NS 3303 Corrosion resistance —A general corrosion
8. 3. 1.3 Corrosion resistance a ：seawater 0Crl6Ni60MO16W4 alloy in the seawater, after 10 years of test results show that its corrosion rate ≤ 0. 025mm / a, and no pitting corrosion. b sulfuric acid In sulfuric acid, the alloy has good corrosion resistance in various concentrations of H2SO4 at ...Read more -
Hastelloy C, NS 3303 Chemical composition, structure and performance characteristics
The chemical composition of this alloy is shown in Table 8-7. According to the ternary phase diagram of Ni-Cr-Mo, it is known that only a uniform single-phase austenite structure is obtained at 1150 ゚C, and it can be kept in a single phase only by solution treatment at a temperature of >11501...Read more -
Hastelloy B-4, NS 3204
hastelloy B-4 is a new generation of Ni-Mo corrosion resistant alloy developed by KRUPP VDM of Germany, which is almost the same as B-3 alloy. The purpose of developing B-4 alloy is also to solve the mid-temperature hot brittleness and weld cracking of B-2 alloy due to the precipitation of p(Ni4M...Read more -
Hastelloy B-3, NS 3203
00Mo30Ni65Fe2Cr2 (B-3 alloy) is a new generation Ni-Mo corrosion-resistant alloy introduced by Haynes Company in the mid-1990s, trying to solve the technical trouble caused by insufficient thermal stability of Hastelloy B-2 alloy. The basis of the development is the research results of the combin...Read more -
Hastelloy B-2, NS 3202 chemical composition,organizational structure and mechanical properties
Chemical composition and organizational structure The chemical composition of Hastelloy B-2 alloy is shown in Table 7-6. This alloy was developed to prevent intergranular corrosion and knife edge corrosion of Hastelloy B-2 alloy. The main difference between it and Hastelloy B-2 alloy is the chang...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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 ...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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 ...Read more -
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...Read more -
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...Read more