ASTM B829 is a standard specification for general requirements for nickel and nickel alloys seamless pipe and tube. It covers the dimensions, tolerances, and marking requirements for seamless pipes and tubes made from nickel and nickel alloys. The standard covers a wide range of nickel alloys, including nickel-copper alloys, nickel-chromium-molybdenum-columbium alloys, nickel-molybdenum alloys, and nickel-chromium-iron alloys. It also specifies the heat treatment requirements, hydrostatic testing, and nondestructive testing procedures for the pipes and tubes. ASTM B829 is commonly used in the chemical, petrochemical, and power generation industries for high-temperature and high-pressure applications.
Tag: ASTM
What is NORSOK M-630?
NORSOK M-630 is a technical standard that specifies the requirements for the qualification of manufacturers of metallic materials used in the petroleum industry.
The standard outlines the requirements for the manufacturing process, quality control, and documentation of metallic materials used in the petroleum industry, including carbon steel, low alloy steel, stainless steel, and nickel-based alloys. The goal of the standard is to ensure that the materials used in the industry meet high quality and safety standards and are compatible with international standards.
The latest revision of NORSOK M-630 is Revision 6, which was published in December 2020. The revision includes several updates and changes to the previous version, including new requirements for the qualification of suppliers, the use of digital documentation, and the use of non-destructive testing for the inspection of materials.
Revision 6 of NORSOK M-630 also includes new requirements for the qualification of metallic materials used in subsea applications, such as pipelines and risers. These requirements are designed to ensure that the materials used in subsea applications are able to withstand the harsh and corrosive environment of the deep ocean.
Overall, NORSOK M-630 is an important standard for the petroleum industry, as it ensures that the metallic materials used in the industry meet high quality and safety standards and are suitable for use in demanding environments.
What is the G48 corrosion test?
The G48 corrosion test is a standardized test method used to evaluate the resistance of austenitic stainless steels to intergranular corrosion.
Intergranular corrosion occurs when the boundaries between grains in a metal are attacked by a corrosive environment, leading to a loss of mechanical strength and potential failure of the material. Austenitic stainless steels are particularly susceptible to this type of corrosion due to their high chromium and nickel content.
The G48 test involves immersing a sample of the stainless steel in a boiling solution of 6% copper sulfate and 16% sulfuric acid for a period of 24 hours. The test measures the degree of corrosion in the material, particularly at the grain boundaries.
After the test, the sample is examined for signs of corrosion and evaluated based on the amount of corrosion that has occurred. The test results are reported as the weight loss of the sample or as the depth of corrosion penetration.
The G48 test is commonly used in the oil and gas industry, as well as in other industries where austenitic stainless steels are used in corrosive environments. The test is an important tool for evaluating the corrosion resistance of materials and ensuring their suitability for specific applications.
What is the difference between average and minimum wall tubing?
The terms “average wall” and “minimum wall” refer to two different ways of specifying the thickness of tubing.
Average wall tubing refers to tubing that has a uniform thickness along its entire length. The thickness of the wall is determined by taking the average of several measurements taken at various points along the length of the tubing. This ensures that the tubing has consistent strength and performance properties throughout its entire length.
Minimum wall tubing, on the other hand, refers to tubing that has a specified minimum thickness, but may have variations in thickness along its length. This can result in areas of the tubing that are weaker or stronger than others, depending on the thickness of the wall at that point.
The choice between average wall and minimum wall tubing depends on the specific application and requirements of the tubing. In some cases, a minimum wall thickness may be required to ensure that the tubing can withstand the pressure or stresses it will be subjected to. In other cases, a more consistent thickness may be preferred to ensure that the tubing has consistent properties throughout its length.
What is ASTM B163?
ASTM B163 is a standard specification that covers seamless nickel and nickel alloy condenser and heat exchanger tubes. The alloys covered by this specification include UNS N02200, UNS N02201, UNS N04400, UNS N06600, UNS N06601, UNS N06603, UNS N06690, UNS N06693, UNS N06025, UNS N06045, UNS N06022, UNS N06200, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N08034, UNS N08036, UNS N08932, UNS N08926, and UNS R20033.
The ASTM B163 specification defines the requirements for the chemical composition, dimensions, mechanical properties, and other characteristics of seamless tubes made from these alloys. These tubes are used in a wide range of applications, including heat exchangers, condensers, and other similar equipment in the chemical, petrochemical, power generation, and other industries.
The standard provides guidelines for the manufacturing process, testing, and inspection of the tubes, including hydrostatic testing, non-destructive testing, and surface inspection. It also includes marking requirements and packaging for shipment of the tubes.
Overall, ASTM B163 is an important standard in the materials industry, as it provides a clear set of guidelines for the manufacturing and testing of seamless nickel and nickel alloy tubes for use in condensers, heat exchangers, and other critical equipment.
What is ASTM B423?
ASTM B423 is a standard specification that covers nickel-iron-chromium-molybdenum-copper alloy (UNS N08825 and UNS N08221) seamless tubes and pipes for general corrosion applications. The alloy composition of UNS N08825 contains nickel, iron, chromium, molybdenum, and copper, while UNS N08221 contains nickel, chromium, iron, molybdenum, and tungsten.
The ASTM B423 specification outlines the chemical composition, mechanical properties, dimensions, and other requirements for seamless tubes and pipes made from these alloys. The tubes and pipes are available in various sizes and thicknesses, and are used in applications where resistance to corrosion is critical, such as in chemical processing, petrochemical, and marine industries.
The standard provides guidelines for the manufacturing process, testing, and inspection of the tubes and pipes, including hydrostatic testing, non-destructive testing, and surface inspection. It also includes marking requirements and packaging for shipment of the tubes and pipes.
Overall, ASTM B423 is an important standard in the materials industry, as it provides a clear set of guidelines for the manufacturing and testing of nickel-iron-chromium-molybdenum-copper alloy seamless tubes and pipes, ensuring that they meet specific requirements for use in critical applications.
What is ASTM B622?
ASTM B622 is a standard specification that covers seamless nickel and nickel-cobalt alloy pipe and tube. The alloys covered by this specification include UNS N10001, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N08034, UNS N08036, UNS N08932, UNS N08926, UNS N08354, UNS N08800, UNS N08810, UNS N08811, UNS N08825, UNS N08120, UNS N08904, and UNS N08925.
The ASTM B622 specification defines the requirements for the chemical composition, dimensions, mechanical properties, and other characteristics of seamless nickel and nickel-cobalt alloy pipe and tube. The standard covers both seamless and welded pipes and tubes, with a range of sizes and thicknesses available.
This specification is important for the oil and gas, chemical processing, and petrochemical industries, as well as for other applications that require high-temperature resistance, corrosion resistance, and high-strength materials. The ASTM B622 specification ensures that the pipes and tubes produced from these alloys meet specific requirements and standards for use in these critical applications.
What is ASTM B167?
ASTM B167 is a standard specification that covers nickel-chromium-iron alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696) and nickel-chromium-cobalt-molybdenum alloy (UNS N06617) in the form of seamless and welded tubes for general corrosion-resisting and heat-resisting applications.
The specification defines the chemical composition, mechanical properties, and other requirements for seamless and welded tubes made from these alloys. The tubes are available in various sizes and thicknesses, and are typically used in applications where high strength, corrosion resistance, and heat resistance are required, such as in chemical processing, aerospace, nuclear, and power generation industries.
The ASTM B167 specification provides guidelines for the manufacturing process, testing, and inspection of the tubes, including hydrostatic testing, non-destructive testing, and surface inspection. The specification also covers marking requirements and packaging for shipment of the tubes.
Overall, ASTM B167 is an important standard in the materials industry as it provides a clear set of guidelines for the manufacturing and testing of nickel alloy tubes, ensuring that they meet specific requirements for use in critical applications.
What is ASTM B444?
ASTM B444 is a standard specification that covers nickel-chromium-molybdenum-columbium (Ni-Cr-Mo-Cb) alloys (UNS N06625 and UNS N06852) and nickel-chromium-molybdenum-silicon (Ni-Cr-Mo-Si) alloy (UNS N06219) in the form of seamless and welded tubes for general corrosion-resisting and heat-resisting applications.
The specification defines the chemical composition, mechanical properties, and other requirements for seamless and welded tubes made from these alloys. The tubes are available in various sizes and thicknesses, and are typically used in applications where high strength, corrosion resistance, and heat resistance are required, such as in chemical processing, aerospace, nuclear, and power generation industries.
The ASTM B444 specification provides guidelines for the manufacturing process, testing, and inspection of the tubes, including hydrostatic testing, non-destructive testing, and surface inspection. The specification also covers marking requirements and packaging for shipment of the tubes.
Overall, ASTM B444 is an important standard in the materials industry as it provides a clear set of guidelines for the manufacturing and testing of nickel alloy tubes, ensuring that they meet specific requirements for use in critical applications.