Stainless Steel Alloy 2304, Duplex 2304 Stainless Steel
Duplex 2304 is a 23% chromium, 4% nickel, molybdenum-free duplex (ferritic-austenitic) stainless steel.The Alloy 2304 has corrosion resistance properties similar to 316L. Furthermore, its mechanical properties, i.e., yield strength, are twice those of 304L/316L austenitic grades.
The alloy is particularly suitable for applications covering the -50°C/+300°C (-58°F/572°F) temperature range. Lower temperatures may also be considered but need some restrictions, particularly for welded structures.Duplex 2304 Stainless Steel also can be used Pulp and paper industry, caustic solutions, organic acids, food industry, pressure vessels.
Stainless Steel Alloy 2304 Composition
|
C |
Cr |
Fe |
Mn |
Si |
S |
P |
Ni |
Cu |
N |
|
|---|---|---|---|---|---|---|---|---|---|---|
|
Duplex 2304 |
0.03 max |
min: 21.5 max:24.5 |
Bal. |
2.5 max |
1.0 max |
0.03 max |
0.04 max |
min:3.0 max:3.5 | min:0.05max: 2.0 |
min: 0.05 max: 2.0 |
Stainless Steel Alloy 2304 Mechanical Properties
|
Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% offset ksi (MPa) min |
Elongation (% in 50mm) min |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
|
Duplex 2304 |
87 (600) |
58 (400) |
25 |
293 |
31j |
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