ASTM B564 N10276 Nickel Alloy Steel Flange B16.5 for High Temperature Application

ASTM B564 N10276 Nickel Alloy Steel Flange B16.5 for High Temperature

ASTM B564 is a standard published by the American Society for Testing and Materials (ASTM International), officially known as the "Standard Specification for Nickel Alloy Forgings", which stands for the standard specification for nickel alloy forgings. This standard specifies the manufacturing, chemical composition, mechanical properties, inspection, and testing requirements for nickel alloy forgings, applicable to Hastelloy, Inconel, Monel, and other nickel alloy forging products in various industrial applications.

ASTM B564 N10276 is the UNS designation for Hastelloy C-276, which is resistant to various strong acids, alkalis, and oxidizing media, especially in chloride environments, and maintains good mechanical properties and corrosion resistance at high temperatures. At the same time, it has excellent resistance to stress corrosion cracking in chloride ion environments. N10276 flanges can be manufactured into various types according to demand, such as butt welding flanges, slip-on flanges, threaded flanges, blind flange, etc. The size and pressure rating comply with standards such as ASME B16.5 or ASME B16.47, and the specific size and pressure rating can be customized according to requirements.

• Main components: including nickel (about 57%), chromium (about 14.5%-16.5%), molybdenum (about 15.0%-17.0%), and added elements such as iron, tungsten, and cobalt.
• Physical properties: Density of 8.9g/cm ³ (or 8.89g/cm ³, slightly different sources), melting point of 1325-1370 ℃. This alloy is non-magnetic.
• Mechanical properties: High strength and toughness, tensile strength ≥ 690MPa (some materials mention 790MPa, which may be related to different heat treatment states or testing methods), yield strength ≥ 275MPa (some materials mention 355MPa, also affected by testing conditions), elongation ≥ 40%, hardness ≤ 100 (HRB)

ASTM B564 N10276 Nickel Alloy Steel Flange Chemical Composition

N10276 Alloy Steel Flange Mechanical Property Requirements

ASTM B564 N10276 Nickel Alloy Steel Flange Application:

• Chemical industry: ASTM B564 N10276 nickel alloy steel flanges are commonly used to connect chemical equipment, storage tanks, reactors, and piping systems to ensure stable performance when handling highly corrosive chemicals such as sulfuric acid, hydrochloric acid, etc. Due to its excellent corrosion resistance, ASTM B564 N10276 nickel alloy steel flange is also commonly used in the manufacturing of corrosion-resistant components in chemical equipment, such as heat exchangers, separators, etc.
• Petrochemical industry: In the process of oil collection and smelting, equipment often needs to withstand high temperature, high pressure, and strong corrosive media. The ASTM B564 N10276 nickel alloy steel flange can maintain excellent performance in such environments, reducing equipment downtime and maintenance frequency. In petrochemical plants, ASTM B564 N10276 nickel alloy steel flanges are often used to connect critical equipment such as reactors, distillation towers, etc., ensuring the safety and stability of the entire production process.
• Pharmaceutical and Environmental Protection Industries: ASTM B366 N10276 nickel alloy steel fittings also play an important role in the pharmaceutical and environmental protection industries. During the pharmaceutical process, it is necessary to strictly control the purity and corrosiveness of the medium to ensure the quality and safety of the drug. In the environmental protection industry, it is necessary to treat various wastewater and exhaust gases containing corrosive components. The corrosion resistance of N10276 nickel alloy steel fittings enables them to meet the high requirements of these industries for pipeline systems, ensuring smooth production processes and environmental protection.
• In the power industry:The N10276 nickel alloy steel flange can effectively resist the erosion of SO2 and SO3 in high temperature and humid air in the flue gas desulfurization device of coal-fired power plants, ensuring long-term stable operation of the equipment. In addition, N10276 nickel alloy steel flanges are often used in other power generation equipment, such as boilers, turbines, etc., to cope with high temperature, high pressure, and corrosive environments.
• Pharmaceutical and food industries: In the production process of the pharmaceutical and food industry, equipment must maintain a high degree of cleanliness and corrosion resistance. N10276 nickel alloy steel flange complies with strict hygiene regulations in this field, and its chemical stability and durability make it an ideal choice. In the pharmaceutical and food industries, N10276 nickel alloy steel flanges are also commonly used to connect conveying pipelines, ensuring that products are not contaminated or corroded during transportation.
• Other industries: Due to its excellent corrosion resistance, N10276 nickel alloy steel flange is used in marine engineering to manufacture seawater treatment equipment, offshore platform equipment, and ship components. In environmental protection equipment, N10276 nickel alloy steel flange is used to manufacture components in wastewater treatment and exhaust gas treatment systems that need to maintain performance in corrosive environments. N10276 nickel alloy steel flanges are also used in the nuclear industry to manufacture fuel rod cladding and other high-temperature components that operate in radiation and corrosive environments.