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 |
≤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 |
≥205 |
≥520 |
≥40 |
≤200 |