Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required This material is stocked primarily in Tubular Products by 4 distributors but is also available to a lesser extent in Bar Products, Flat Rolled Products, Piping Components, and Wire Products. Principal Design Features This alloy combines oxidation resistance up to F C with high strength, good general corrosion resistance and ease of fabrication. It is austenitic in all conditions. Developed as an alternative for and stainless in heat resistant applications by replacing some of the chromium and silicon with domestically available rare earth metals. For improved creep strength at high temperature, consider Alloys , and Applications Applications include a wide variety of components requiring high strength at elevated temperatures.
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The inclusion of high silicon, nitrogen and cerium contents gives the steel good oxide stability, high elevated temperature strength and excellent resistance to sigma phase precipitation. The austenitic structure gives this grade excellent toughness, even down to cryogenic temperatures.
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Product Details. Another proprietary designation covering this grade is HTR. Composition Typical compositional ranges for grade MA stainless steels are given in table 1. Grade Specification Comparison Approximate grade comparisons for MA stainless steels are given in table 4. Table 4. If exact equivalents are needed original specifications must be consulted. Possible Alternative Grades Possible alternative grades to grade MA stainless steels are given in table 5.
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The inclusion of high silicon, nitrogen and cerium contents gives the steel good oxide stability, high elevated temperature strength and excellent resistance to sigma phase precipitation. The austenitic structure gives this grade excellent toughness, even down to cryogenic temperatures. Have a requirement? Get Best Price. View Complete Details. Contact Seller Ask for best deal.
Jindal Acroni Stainless Steel Uns S30815 253MA, Thickness: 5 to 25 mm
Apart from the alloying elements chromium and nickel, MA stainless steel also contains a few rare earth metals, which significantly enhance its antioxidant capacity. Nitrogen is added to improve creep properties and make this steel a complete austenite. Despite its relatively low chromium and nickel contents, MA shares the same high temperature properties as the high alloyed alloy steel and nickel-based alloy in many applications. It obtains high temperature resistance by controlling trace elements. The metallic elements of silicon and rare earth elements contribute to their excellent oxidation resistance. The rare earth element enhances the diffusion rate of silicon and continuously produces an oxide layer of SiO 2 silica, which slows down the development of oxidation. The rare earth element metal also improves the adhesion and elasticity of the oxide layer and can even operate under cyclic conditions.
Stainless Steel 253 MA
Stainless Steel MA Plates is a lean austenitic heat resistant alloy with high strength and outstanding oxidation resistance. A wide variety of components requiring high strength at elevated temperatures such as heat exchangers, kilns, stack dampers and oven components are common applications for MA. Live chat Inquiry. In addition to the alloying elements chromium and nickel, the MA stainless steel also contains a small amount of Rare Earth Metals REM , significantly improving its antioxidant capacity. Nitrogen was added to improve creep properties and to make the steel complete austenitic. Although chromium and nickel contents are relatively low, this.