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AK Steel Type 304

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Journal Articles
Alloy Digest (2020) 69 (5): SS-1317.
Published: 01 May 2020
... AK Steel Type 304 is a chromium-nickel austenitic stainless steel. It is a variation of the base 18-8 grade, but with higher chromium and lower carbon content. The lower carbon content minimizes carbide precipitation due to welding and reduces its susceptibility to intergranular corrosion. Type...
Journal Articles
Alloy Digest (2020) 69 (8): SS-1324.
Published: 01 August 2020
... AK Steel Type 304L is a chromium-nickel austenitic stainless steel. It is an extra low-carbon variation of Type 304 with a 0.030% maximum carbon content that eliminates carbide precipitation due to welding. As a result, this alloy can be used in the “as-welded” condition, even in severe corrosive...
Journal Articles
Alloy Digest (2021) 70 (4): SS-1333.
Published: 01 April 2021
... to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic stainless steels, such as type 304. Chemical Composition Corrosion Resistance Composition, wt%(a) AK Steel 309 exhibits excellent general corrosion resistance. It is more resistant to marine atmospheres...
Journal Articles
Alloy Digest (2016) 65 (4): SS-1242.
Published: 01 April 2016
... comparable to the 2% molybdenum bearing Type 444. Specification Equivalents: Similar to UNS S44100 General Characteristics: AK Steel Chromeshield 22 is a high chromium ferritic stainless steel with small copper and molybdenum Fig. 3 Typical elevated temperature strength properties Fig. 4 Cycle oxidation...
Journal Articles
Alloy Digest (2016) 65 (9): SS-1250.
Published: 01 September 2016
... pass. A welding procedure should be developed so that a ferrite content of 30 55% is present in the weld fusion and heat affected zones of the final weldment. Corrosion Resistance: The general level of corrosion resistance of this alloy is superior to Types 304 and 316 stainless steels in most media...
Journal Articles
Alloy Digest (2002) 51 (11): SS-867.
Published: 01 November 2002
... AK Steel Type 305 has the advantage of economical fabrication. Its chief characteristics are minimum work-hardening tendencies and maximum ductility. The alloy is especially suited to operations involving severe cold work such as deep drawing and spinning. It can be annealed to greater softness...
Journal Articles
Alloy Digest (2013) 62 (5): SS-1144.
Published: 01 May 2013
... AK Steel 13-4SR equals AISI Type 409 in corrosion. The alloy with 3.75% Al is used in exhaust systems and has excellent oxidation resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion...
Journal Articles
Alloy Digest (2002) 51 (10): SS-865.
Published: 01 October 2002
... AK Steel Type 316 has a 2.0-3.0% range of molybdenum that improves the corrosion resistance of austenitic stainless steels and imparts hot-strength characteristics. Type 316 also has better resistance to pitting and crevice corrosion than the regular chromium-nickel stainless steels. Another...
Journal Articles
Alloy Digest (2013) 62 (3): SS-1138.
Published: 01 March 2013
... Type 304L and, therefore, may allow lighter gages to further reduce costs. This alloy work hardens rapidly while retaining good ductility. Unlike other nitrogen-strengthened stainless steels, this alloy is subject to magnetic transformation when cold worked. Product Availability: AK Steel Nitronic 30...
Journal Articles
Alloy Digest (2021) 70 (5): SS-1334.
Published: 01 May 2021
... precipitation and improves weldability. Chemical Composition Corrosion Resistance Composition, wt%(a) AK Steel 309S exhibits excellent general corrosion resis- tance. It is more resistant to marine atmospheres than Type Element AK Steel 309S Type 309S (UNS S30908)(b) 304 austenitic stainless steel. It exhibits...
Journal Articles
Alloy Digest (2002) 51 (5): SS-853.
Published: 01 May 2002
... alloys of this class, types 304 and 304L. When a weld filler is needed, AWS E/ER 309 and 310 are most often specified. Types 309 and 309S are well known and more information can be obtained from reference literature. ARMCO 309 and 309S Filing Code: SS-853 Stainless Steel May 2002 ARMCO 309 and 309S...
Journal Articles
Alloy Digest (2002) 51 (9): SS-861.
Published: 01 September 2002
... AK Steel Type 301 is an austenitic chromium-nickel stainless steel that provides high strength and good ductility when cold worked. It is a modification of Type 302, in which the chromium and nickel contents are lowered to increase the cold-work-hardening range. This permits higher tensile...
Journal Articles
Alloy Digest (2002) 51 (1): SS-841.
Published: 01 January 2002
... of its duplex structure, alloy 19D offers improved resistance to chloride stress-corrosion cracking (SCC) compared to austenitic stainless steel alloys such as grades 304L and 316L. AK Steel reports data show- ing SCC of alloy 304 in 127 h, but no cracking of alloy 19D after 720 h of exposure to 25...
Journal Articles
Alloy Digest (2023) 72 (1): SS-1355.
Published: 01 January 2023
... Cleveland-Cliffs 444 is a low carbon, low nitrogen, dual stabilized ferritic stainless steel that provides pitting and crevice corrosion resistance superior to most ferritic stainless steels and some austenitic stainless steels. It is equivalent to Type 304 austenitic stainless steel in many...
Journal Articles
Alloy Digest (2013) 62 (4): SS-1142.
Published: 01 April 2013
... severe cold working and a very low temperature. This alloy also exhibits good resistance to galling and wear, superior to Type 304 stainless steel. Nitronic is a registered trademark of AK Steel. Table 1 Coefficient of thermal expansion, annealed material Temperature, °C (°F) 10 6/K (10 6/°F) 21 93 (70...
Journal Articles
Alloy Digest (2000) 49 (12): SS-810.
Published: 01 December 2000
... 321 is a stabilized austenitic stainless steel similar to Type 304 but with a titanium addition of at least five times the carbon content. This titanium addition reduces or prevents carbide pre- cipitation during welding and in 427 816 °C (800 1500 °F) ser- vice. It also improves the elevated...
Journal Articles
Alloy Digest (1995) 44 (4): SS-384.
Published: 01 April 1995
... CARPENTER STAINLESS TYPE 430 is a chromium stainless steel that is especially useful for all types of decorative trim. This steel is suitable for trim on automobiles, cameras, vending machines, counters and showcases, electrical appliances and finished hardware in the building trade. The alloy...
Journal Articles
Alloy Digest (2022) 71 (2): SS-1344.
Published: 01 February 2022
... to oxidation. Its maximum scaling temperature is 815 °C (1500 °F) for continuous service. The corrosion resistance of Cleveland-Cliffs 430 Ultra Form is superior to that of type 409 stainless steel but is not equivalent to that of type 304 stainless steel. Hot Forming Heat to 1100 °C (2010 °F). Wait...
Journal Articles
Alloy Digest (1995) 44 (11): SS-622.
Published: 01 November 1995
... corrosion Sandvik 8R30 has with some limitations (nitric acid) the same resistance as the unstabilized steel AK.1 304. Consequently. the material has good resistance to l organic acids at moderate temperatures l salt solutions, e.g. sulfates, sulfides and sulfites l caustic solutions at moderate...
Journal Articles
Alloy Digest (1957) 6 (2): SS-52.
Published: 01 February 1957
... castings should be quenched from 2000-2100 deg. F. to restore maximum corrosion resistance. Lime coated electrodes of similar composition (AISI Type 304 or 303) are recommended. The following table lists suggested electrical settings and electrode sixes for various sec- tion thicknesses : Section Electrode...