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321

Wst. 1.4541
UNS S32100


Stock program: Some sizes on stock, mainly on request               
                           
Specification: ASTM A 269/A 213/ASME SA 213
                          EN 10216-5/EN 10305
                          NACE MR0175/PED 97/23 EC

Maximum service temperature: 650°C / 1205°F

Alloy 321 stainless steel is a titanium-stabilized version of alloy 304, used in particular applications within the sensitizing temperature range. It’s resistance to sensitization, coupled with it higher strength, at high temperatures makes it suitable in application where alloy 304 will become sensitized, or where 304L has insufficient hot strength.  

Characteristics   

Market applications:

Technical details

Technical composition (%)
Fe
Cr
Ni
Mn
Si
P
C
S
Ti
321 min
Bal.
17.0
9.0
-
-
-
-
-
-
  max
-
20.0
13.0
2.00
0.75
0.030
0.080
0.040
0.040
 
 
Mechanical properties
321
Tensile strenght (mpa, min)
500 - 730
Yield strength (0.2% offset mpa, min)
200
Elongation (%, min)
35
Density / weight (g / cm3 / kg)
7.90

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