Type 441 is a fully ferritic stainless steel with extra-low carbon and nitrogen contents. The alloy is resistant to stress-corrosion cracking and also has corrosion properties comparable to AISI type 316. Type 441 has a high yield strength, good weldability, and good formability. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-901. Producer or source: J & L Specialty Steel Inc.

AK Steel 441 has good high-temperature strength, an equiaxed microstructure, and good high-temperature oxidation resistance. The alloy is a niobium-bearing ferritic stainless steel. This datasheet provides information on composition, hardness, and tensile properties as well as deformation. It also includes information on high temperature performance and corrosion resistance as well as forming and joining. Filing Code: SS-965. Producer or source: AK Steel.

AK Steel 18 Cr-Cb HF has an equiaxed microstructure, good high-temperature strength, and good high-temperature oxidation resistance. The alloy was designed to provide improved formability, particularly in multiple forming operations, due in part to a finer final annealed grain structure. This datasheet provides information on composition, hardness, and tensile properties as well as deformation. It also includes information on high temperature performance and corrosion resistance as well as forming and joining. Filing Code: SS-960. Producer or source: AK Steel.

AK Steel Chromeshield 22 stainless steel combines the exceptional corrosion performance of a high chromium ferritic alloy with the enhanced ductility of AK Steel’s Ultra Form technology. This datasheet provides information on composition, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming and joining. Filing Code: SS-1242. Producer or source: AK Steel.

ATI 441 HP is a ferritic stainless steel with good oxidation and corrosion resistance. It was developed for severe tube bending and forming. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming. Filing Code: SS-1157. Producer or source: Allegheny Ludlum.

ATI 441 is a low-carbon and low-nitrogen ferritic stainless steel with 18 Cr and columbium. The alloy is typically used for exhaust system components. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming. Filing Code: SS-1150. Producer or source: Allegheny Technologies Inc..