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        1. banners-test1000

          321


          321

          As a kind of steel with the inter-granular corrosion resistance enhanced by adding Ti into 304 steel, it is used for heat exchangers and boiler covers, etc.  

          Features and Applications:

          Type321
          Features-- used in particular Applicationss within the sensitizing temperature range.(450 ℃~850 ℃)
          Applications --Boiler heat exchanger,furnace components, super heater and afterburner parts, compensators and expansion bellows 

          Chemical Composition (wt%)

          SpecsCSiMnPSCrNiOthers
          TYPE
          321
          ≤0.08
           
          ≤1.00
           
          ≤2.00
           
          ≤0.045
           
          ≤0.030
           
          17.00~9.00

           

          9.00~13.00
           
          Ti: ≥ 5 × C%

          Mechanical Properties:

          Specs
          ( Mpa )EL(%)Hv
          TYPE
          321
          ≥205
           
          ≥520
           
          ≥40
           
          ≤200
           

          Applications Example:


           


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