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309 stainless steel
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309 stainless steel

309 stainless steel

309 are austenitic chromium-nickel stainless steels that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures.
309 stainless steel uses include furnace parts,heating elements,aircraft and jet engine parts,heat exchangers,carburizing-annealing boxes,sulfite liquor handling equipment,kiln liners,boiler baffles,refinery and chemical processing equipment,and auto exhaust parts.
309 stainless steel chemical composition

Type C Mn P S Si Cr Ni
309 0.20max 2.00max 0.045max 0.03max 0.75max 22.0-24.0 12.0-15.0

309 stainless steel mechanical properties at room temperature

condition UTS ksi.(mpa) 0.2% YS ksi.(mpa) Elongation % in 2”(50.8mm) Rockwell hardness
Annealed 95(655) 50(345) 45 B85

 309 stainless steel corrosion resistance

309 provide excellent general corrosion resistance.they are more resistant to marine atmospheres than 304.they exhibit high resistance to sulfite liquors and are useful for handling nitric acid,nitric-sulfuric acid mixtures,and acetic,citric,and lactic acids.
Shanghai katalor enterprises co.,ltd is the 309 stainless steel supplier,309 stainless steel can be the 309 stainless steel plate,309 stainless steel sheet,309 stainless steel pipe,309 stainless steel coils,309 stainless steel bars, if you need 309 stainless steel,contact us!

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