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Product classification
Ma956
MA956 is an ultra-high strength steel, classified as a heat-resistant iron-aluminum-chromium alloy, known for its excellent performance in high-temperature environments. This alloy maintains its stability even under harsh working conditions, making it widely used in various fields such as aerospace, chemical industry, nuclear industry, and marine environments.
Classification:
Key words:
Superalloy | Inkenel | Hastelloy | Inkloy | Precision Alloy Series
Product Parameters
MA956 is a type of ultra-high strength steel, belonging to heat-resistant iron-aluminum-chromium alloys, known for its excellent performance in high-temperature environments. This alloy maintains its stability even under harsh working conditions, making it widely used in various fields such as aerospace, chemical industry, nuclear industry, and marine environments.
Chemical Composition
The chemical composition of MA956 is key to its performance. According to search results, the main components of MA956 include:
· Iron (Fe): balance
· Chromium (Cr): 20%
· Aluminum (Al): 4.5%
· Titanium (Ti): 0.5%
· Yttrium oxide (Y2O3): 0.5%
· Other trace elements and impurities
Mechanical Properties
The mechanical properties of MA956 are as follows:
· Tensile strength (annealed state): 650 MPa (approximately 94300 pounds per square inch)
· Yield strength (annealed state): 550 MPa (approximately 79800 pounds per square inch)
· Elongation at break (tested before annealing): 9%
· The tensile strength and yield strength vary at different temperatures; for example, at 400°C, the tensile strength is 543 MPa and the yield strength is 423 MPa.
Physical Properties
The physical properties of MA956 include:
· Coefficient of thermal expansion (20-100°C / 68-212°F): 11.3µM/M°C (6.28µ/°F)
· Thermal conductivity: 10.9 W/(mK) (75.6 BTU/HR·FT²·°F)
· The operating temperature in an oxidizing atmosphere can reach 1350°C, with excellent resistance to oxidation, carbon, and sulfur corrosion.
Heat Treatment Characteristics
The heat treatment characteristics of MA956 are crucial to its performance. This alloy has excellent oxidation resistance below 1300°C and significant creep strength below 1482°C, making MA956 an ideal choice for high-temperature applications.
Application Fields
Due to its outstanding performance, MA956 has a wide range of applications in various fields:
· Aerospace: Used in the manufacture of aircraft engines, gas turbines, and missile components.
· Chemical Industry: Used in the manufacture of high-temperature furnaces, pipelines, burners, and other equipment.
· Nuclear Industry: Used in internal components of nuclear reactors and equipment in nuclear power plants.
· Marine Environment: Used in offshore platforms, oilfield equipment, and shipbuilding to resist corrosion in marine environments.
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