Austenitic Stainless Steels

Austenitic Stainless Steels At Best Price In India

Austenitic stainless steels are the most common and familiar types of stainless steel. They are most easily recognized as nonmagnetic. They are extremely formable and weldable, and they can be successfully used from cryogenic temperatures to the red-hot temperatures of furnaces and jet engines. They contain between about 16 and 25% chromium, and they can also contain nitrogen in solution, both of which contribute to their high corrosion resistance. Were it not for the cost of the nickel that helps stabilize their austenitic structure, these alloys would be used even more widely.

Austenitic Stainless Steel Grades

SS 301, SS 302HQ, SS 303, SS 304, SS304L, SS 308L, SS 309, SS 310, SS 316, SS 316L, SS 321, SS 347, SS 904L.

Austenitic Stainless Steel Applications

SS 301 is primarily used for roll-formed paneling, high strength springs & deep drawn components.
SS 301HQ is primarily used for severe cold heading applications such as cross recess screws.
SS 303 is a free machining grade used for high speed repetition machining.
SS 304 provides good corrosion resistance & excellent fabrication.
SS 304L provides resistance to inter-granular corrosion for heavy section welding & high temperature applications.
SS 308L is use for filler wire welding.
SS 309 provides good corrosion resistance & improved resistance to hot sulfur compounds present in oxidizing gases.
SS 310 provides good resistance to oxidation & carbonizing atmosphere in temperatures of 850-1100°C.
SS 316 provides higher resistance than 304 to many media particularly to those containing chlorides.
SS 316L provides excellent inter-granular corrosion resistance for high temperature applications & heavy section welding.
SS 321 is a titanium stabilized grade resist inter-granular corrosion during exposure at 425 to 850°C.
SS 347 is a niobium stabilized grade inter-granular corrosion as for 321, but more commonly used as a filler for welding 321.
SS 904L provides good corrosion resistance particularly to warm chlorides & sulfuric acids.

Austenitic Stainless Steel Composition

Grade C Si Mn P S Ni Cr Mo
301 0.15max 1.00max 2.00max 0.45max 0.030max 6.00-8.00 16.0-18.0
303 0.15max 1.00max 2.00max 2.00max 0.15min 8.00-10.0 17.0-19.0
304 0.08max 0.75max 2.00max 0.045max 0.030max 8.00-16.0 18.0-20.0
304H 0.04-0.10 0.75max 2.00max 0.045max 0.030max 8.00-16.0 18.0-20.0
304L 0.035max 0.75max 2.00max 0.045max 0.030max 8.00-13.0 18.0-20.0
304N 0.08max 0.75max 2.00max 0.045max 0.030max 8.00-11.0 18.0-20.0
304LN 0.035max 0.75max 2.00max 0.045max 0.030max 8.00-11.0 18.0-20.0
304Cb 0.08max 0.75max 2.00max 0.045max 0.030max 12.0-16.0 22.0-24.0 0.75max
309S 0.08max 0.75max 2.00max 0.045max 0.030max 12.0-15.0 22.0-24.0 0.75max
310Cb 0.08max 0.75max 2.00max 0.045max 0.030max 19.0-22.0 24.0-26.0 0.75max
310S 0.08max 0.75max 2.00max 0.045max 0.030max 19.0-22.0 24.0-26.0 0.75max
316 0.08max 0.75max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00
316H 0.04-0.10 0.75max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00
316L 0.035max 0.75max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00
316N 0.035max 0.75max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00
316LN 0.035max 0.75max 2.00max 0.045max 0.030max 10.0-14.0 16.0-18.0 2.00-3.00
317 0.08max 0.75max 2.00max 0.045max 0.030max 11.0-15.0 18.0-20.0 3.00-4.00
317L 0.035max 0.75max 2.00max 0.045max 0.030max 11.0-15.0 18.0-20.0 3.00-4.00
321 0.08max 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0
321H 0.04-0.10 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0
347 0.08max 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0
347H 0.04-0.10 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0
348 0.08max 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0
348H 0.04-0.10 0.75max 2.00max 0.045max 0.030max 9.0-13.0 17.0-20.0

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AESTEIRON STEELS PVT LTD, 107 Kika Street, Gulalwadi, Mumbai 400004, Maharashtra, India, Contact no: 022-23453040
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