Grade 321 stainless steel sheet

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

 

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