AK STEEL 439 LT

Alloy Digest ◽  
2003 ◽  
Vol 52 (4) ◽  

Abstract AK Steel 439 LT is a ferritic stainless steel that has both oxidation resistance and corrosion resistance superior to Type 409, making the alloy attractive for numerous difficult-to-form automotive exhaust applications. The lower titanium content of this alloy compared to Type 439 (see Alloy Digest SS-874, February 2003) provides an improved surface essentially free from titanium scale. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as deformation. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-880. Producer or source: AK Steel Corporation.

Alloy Digest ◽  
2003 ◽  
Vol 52 (2) ◽  

Abstract AK Steel 439 has superior oxidation resistance and corrosion resistance compared to Type 409, which makes 439 attractive for numerous automotive exhaust applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming and joining. Filing Code: SS-874. Producer or source: AK Steel Corporation.


Alloy Digest ◽  
2004 ◽  
Vol 53 (4) ◽  

Abstract J and L Type 409NI is a ferritic stainless steel with 11% Cr. It exhibits an excellent combination of good formability, economy, and resistance to oxidation and corrosion. It is typically used in automotive exhaust systems or where more forming is required. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-902. Producer or source: J & L Specialty Steel Inc.


Alloy Digest ◽  
2021 ◽  
Vol 70 (11) ◽  

Abstract Outokumpu Moda 439/4510 is a titanium-stabilized 17% chromium ferritic stainless steel that exhibits improved corrosion resistance, formability, and weldability when compared to Outokumpu Moda 430/4016. It is best suited for mildly corrosive environments. Because of its titanium alloying, Outokumpu Moda 439/4510 can be welded in all dimensions without becoming susceptible to intergranular corrosion. It is possible to use Outokumpu Moda 439/4510 at elevated temperatures, for example the cold end of automotive exhaust systems. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-1341. Producer or source: Outokumpu Oyj.


Alloy Digest ◽  
2020 ◽  
Vol 69 (9) ◽  

Abstract Acerinox ACX 490 is an extra low-carbon, 17% chromium, ferritic stainless steel, that combines good corrosion, heat, and oxidation resistance with good formability and good mechanical properties. 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-1327. Producer or source: Acerinox, S.A.


Alloy Digest ◽  
2016 ◽  
Vol 65 (3) ◽  

Abstract Thermak 17 is a high-temperature ferritic stainless steel alloy with oxidation resistance to 1093 deg C (2000 deg F). This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-1239. Producer or source: AK Steel Corporation.


Alloy Digest ◽  
2013 ◽  
Vol 62 (2) ◽  

Abstract ATI 409HP (UNS S40900) ferritic stainless steel was introduced by ATI Allegheny Ludlum to provide improved oxidation and corrosion resistance for automotive exhaust systems in comparison to carbon steel. The alloy was designated "MF-1", indicating its end use: automotive mufflers. The good fabricability of this alloy, combined with its basic corrosion resistance and economy have significantly broadened the utility of ATI 409HP stainless steel. ATI 409HP consists of four grades: UNS S40900, S40910, S40920, and S40930. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, machining, and joining. Filing Code: SS-1135. Producer or source: Allegheny Technologies Inc..


Alloy Digest ◽  
1979 ◽  
Vol 28 (5) ◽  

Abstract SEA-CURE is a ferritic stainless steel designed to provide high resistance to pitting and crevice corrosion in condensers cooled by saline or brackish water. It is used for condenser tubes and has great potential for many other uses. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-364. Producer or source: Trent Tube.


Alloy Digest ◽  
2006 ◽  
Vol 55 (6) ◽  

Abstract 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.


Alloy Digest ◽  
2006 ◽  
Vol 55 (5) ◽  

Abstract AK Steel 410S is a fully ferritic stainless steel with elements added to retard austenite formation at high temperatures. The resulting low hardening allows for use as oxidation-resistant parts. 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-964. Producer or source: AK Steel.


Alloy Digest ◽  
1995 ◽  
Vol 44 (6) ◽  

Abstract AL 468 is an 18% chromium stainless steel with dual stabilization by titanium and columbium. Small angular carbonitrides of both titanium and columbium are randomly dispersed, but develop improved surface quality, strength, and oxidation resistance when compared to Type 439. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-597. Producer or source: Allegheny Ludlum Corporation.


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