• Product

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:


Type 321
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 (unite: wt %)


Specs C Si Mn P S Cr Ni Others
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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