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Help CenterGrade 321/SUS 321 Stainless Steel Plates,stainless Steel Sheets
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Grade 321/SUS 321 Stainless Steel plates,stainless steel sheets
1.Material: ASTM A240 Grade 321 Stainless Steel sheets/plates, SUS 321 stainless steel plates/sheets
2.Chemical Formula of Grade 321/SUS 321 Stainless Steel:
C <0.08% , Cr 17-19% ,Ni 9-12% ,Mn <2% ,Si <1% ,P <0.045% ,S <0.03%
3.Summary: Grade 321/SUS 321 Stainless Steel is a titanium-stabilised version of Grade 304 Stainless Steel,used in particular applications within the sensitizing temperature range. Its resistance to sensitization,coupled with its higher strength at high temperature makes it suitable in application where Grade 304/SUS 304 Stainless Steel will become sensitized, or where Grade 304L/SUS 304L Stainless Steel has insufficient hot strength. It is not subject to weld decay (intergranular corrosion) when exposed to mildly corrosive environments. However, welded 321/SUS 321 Stainless Steel must never be used in highly oxidising environments as it is liable to 'Knife-line' attack.
4.Applications: Grade 321/SUS 321 Stainless Steel is today used almost exclusively for service within the sensitizing temperature range (450-850oC). In welded ambient temperature applications it has been replaced by Grade 304L/SUS 304L. Some applications include:Furnace components;Superheater and afterburner parts;Compensators and expansion bellows.
5.Thickness: 0.3-100mm
6.Heat Treatment:Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. Grade 321/SUS 321 Stainless Steel cannot be hardened by thermal treatment.
7.Welding:Grade 321/SUS 321 Stainless Steel may also be used as an alternative to 304 Stainless Steel if heavy section welding is required and post-weld heat treatment is not possible.
Contact person : Anna(Manager of overseas dept.)
office email: Anna(at)hzzsteel(dot)com(dot)cn
Gmail:anna860919(at)gmail(dot)com
MSN: anna860919(at)gmail(dot)com
Skype:hzzsteel3
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