SUS304
SUS304 Austenitic Stainless Steel
Introduction & Properties
Stainless steel SUS304 has good resistance to intergranular corrosion and corrosion resistance to oxidizing acids (such as nitric acid) , alkali solution, and most organic acids and inorganic acids. SUS304 has good weldability can be used for welding thin-walled parts, and is one of the most widely used stainless steels. Method of welding will be decided by its thickness, the thickness of 2mm should be adopted within argon arc welding while the thicker plate use arc welding.
Chemical Composition of SUS304 (%)
Grade C Si Mn P S Cr Ni
SUS304 Min. -- -- -- -- -- 18.0 8.0
Max. 0.08 1.00 2.00 0.045 0.03 20.0 10.5
Forging process of SUS304
initial forging temperature / ℃ final forging temperature / ℃ Cooling
1130 ~ 1180 > 850 air-cooled
Preliminary heat treatment of stainless steel SUS304
① annealing process: 970 ℃, water-cooled.
② Intermediate annealing process: 850 ℃, water-cooled.
③ Elimination of processing stress annealing: 300 ~ 350 ℃, heat 1 ~ 2h, air cooling.
Solution treatment of SUS304
1080 ~ 1100 ℃, cooling with water or air.
Application
SUS304 is widely used, the following typical applications are:
• pipes, containers, household items, cabinets,
• indoor pipes, water heaters, boilers, bathtubs,
• automotive parts, medical equipment, building materials,
• chemical, food industry, agriculture, ship parts.
Please contact our company service (hotline:86 0510-83,632,628) to get more information on selection, application, heat treatment and inventory and other related information about SUS304, you can also contact us for more information about austenitic stainless steel and stainless steel.
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