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Industeel UREA 25.22.2 Plants
| Category | Metal , Ferrous Metal , Austenitic , Stainless Steel , T 300 Series Stainless Steel |
| Manufacturer | Groupe Arcelor |
| Trade Name | UREA |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Industeel UREA 25.22.2 Plants.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: CLI UREA 25.22.2 chemical composition has been optimized for specific uses in Urea plants. It is a 310L modified austenitic stainless steel with low carbon, low silicon and high nitrogen additions in order to stabilize and strengthen the austenitic phase. The alloy is designed to obtain a fully austenitic stainless steel free of intermetallic phases as intergranular carbide precipitations which affects the corrosion resistance properties of the alloy in urea containing solutions. The ferrite level is kept under 0.5% in the solution annealing and water quenched conditions. The alloy is particularly designed for improved corrosion resistance properties in urea carbonate environments including strippers. The grade is also well designed for resistance in wet corrosive conditions due to its high contents of chromium, molybdenum and nitrogen (PREN = 33)Information provided by manufacturer.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.90 g/cc | 0.285 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 550 MPa | 79800 psi | Typical after Solution Annealing |
| Tensile Strength, Yield | 260 MPa @Strain 0.200 % |
37700 psi @Strain 0.200 % |
Typical after Solution Annealing |
| 290 MPa @Strain 1.00 % |
42100 psi @Strain 1.00 % |
Typical after Solution Annealing | |
| Elongation at Break | 40 % | 40 % | Typical |
| Modulus of Elasticity | 200 GPa | 29000 ksi | |
| Poissons Ratio | 0.333 | 0.333 | Calculated |
| Shear Modulus | 75.0 GPa @Temperature 20.0 °C |
10900 ksi @Temperature 68.0 °F |
|
| Charpy Impact | >= 120 J | >= 88.5 ft-lb |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 16.0 µm/m-°C @Temperature 20.0 - 100 °C |
8.89 µin/in-°F @Temperature 68.0 - 212 °F |
|
| 16.5 µm/m-°C @Temperature 20.0 - 300 °C |
9.17 µin/in-°F @Temperature 68.0 - 572 °F |
||
| 17.5 µm/m-°C @Temperature 20.0 - 500 °C |
9.72 µin/in-°F @Temperature 68.0 - 932 °F |
||
| Specific Heat Capacity | 0.500 J/g-°C @Temperature 20.0 °C |
0.120 BTU/lb-°F @Temperature 68.0 °F |
|
| Thermal Conductivity | 14.0 W/m-K @Temperature 20.0 °C |
97.2 BTU-in/hr-ft²-°F @Temperature 68.0 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | <= 0.020 % | <= 0.020 % | |
| Chromium, Cr | 25 % | 25 % | |
| Iron, Fe | 48.36 - 50.78 % | 48.36 - 50.78 % | As remainder |
| Manganese, Mn | <= 2.0 % | <= 2.0 % | |
| Molybdenum, Mo | 2.1 % | 2.1 % | |
| Nickel, Ni | 22 % | 22 % | |
| Nitrogen, N | 0.12 % | 0.12 % | |
| Silicon, Si | <= 0.40 % | <= 0.40 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 0.0000950 ohm-cm @Temperature 20.0 °C |
0.0000950 ohm-cm @Temperature 68.0 °F |
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