2205 is a duplex (austenitic-ferritic) stainless steel containing about 40 -
50% ferrite in the annealed condition. 2205(S32205) Stainless Steel
grade offers higher resistance to corrosion.
Grade |
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Mo
|
Ni
|
N
|
|
2205 (S31803)
|
Min
Max |
-
0.030 |
-
2.00 |
-
1.00 |
-
0.030 |
-
0.020 |
21.0
23.0 |
2.5
3.5 |
4.5
6.5 |
0.08
0.20 |
|
2205 (S32205)
|
Min
Max |
-
0.030 |
-
2.00 |
-
1.00 |
-
0.030 |
-
0.020 |
22.0
23.0 |
3.0
3.5 |
4.5
6.5 |
0.14
0.20 |
Grade |
Tensile Strength
(MPa) min |
Yield Strength
0.2% Proof (MPa) min |
Elongation
(% in 50mm) min |
Hardness
|
|
|
Rockwell C (HR C)
|
Brinell (HB)
|
||||
|
2205
|
621
|
448
|
25
|
31 max
|
293 max
|
Grade |
Density
(kg/m3) |
Elastic
Modulus (GPa) |
Mean Co-eff of Thermal
Expansion (μm/m/°C) |
Thermal
Conductivity (W/m.K) |
Specific
Heat 0-100°C ( J/kg.K) |
Electrical
Resistivity (nΩ.m) |
|||
|
0-100°C
|
0-315°C
|
0-538°C
|
at 100°C
|
at 500°C
|
|||||
|
2205
|
782
|
190
|
13.7
|
14.2
|
-
|
19
|
-
|
418
|
850
|
1, Oil and gas exploration and processing equipment – piping, tubing, and heat exchangers
2, Marine and other high chloride environments
3, Pulp and paper industry – digesters, bleaching equipment, and stock-handling systems
4, Cargo tanks for ships and trucks, Food processing equipment, Biofuels plants
learn more:http://www.ice-steels.com/News/2205S32205-Stainless-Steel-Machinability-and-Key-Properties.html
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