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ATI 441 HP
Alloy Digest (2013) 62 (9): SS-1157.
Published: 01 September 2013
... 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...
Alloy Digest (2013) 62 (7): SS-1150.
Published: 01 July 2013
... HP and ATI 439 HP alloys. At 704 ºC (1300 ºF) and above, the yield and tensile strengths of ATR 441 HP and ATI 439 HP alloys are about double those of ATI 409 HP alloy. It is assumed that the solid solution strengthening effects of chromium in ATI 441 HP and ATI 439 HP alloys provide the improved...
Alloy Digest (2001) 50 (9): SS-829.
Published: 01 September 2001
.... Compared to carbon steels, the FLDs of the two ferritic stain- less steels are less sensitive to the material thickness. Roller Expansion and Flaring. Type 439 HP can be roller expanded into tubesheets and headers using equipment and procedures utilized for other tube materials. Strong, tight, leak free...