UGI® 202N – Grade 1 Annealed
UGI® 202N – Grade 1 Annealed introduction
UGI® 202N is an austenitic stainless steel with a high manganese content, which belongs to the 200 series.
With its high content in manganese and in nitrogen, UGI® 202N is a completely amagnetic steel even at very low temperature and even after a high amount of cold work. So UGI® 202N is designed
to cryogenic environment, liquid nitrogen or even liquid hydrogen.
For amagnetic spring wires with absolutely no interference with electromagnetics waves. This property makes UGI® 202N interesting for electronic, medical and measurement equipment.
The high manganese content gives UGI® 202N an excellent wear resistance. So UGI® 202N is well adapted for stainless steel filters in aggressive water environnement like mine filtration or water well filtration. Resistance to corrosion abrasion of UGI® 202N is better than 304 and 316L.
Even after a high amount of cold work (>80% of section reduction) magnetic permeability of UGI® 202N remains very low : µr
Equivalent material: EN 1.4374, EN X8CrMnNiN18-9-5, DIN 1.4374, DIN X8CrMnNiN18-9-5, AISI 202, UNS S20200, JIS SUS202
UGI® 202N – Grade 1 Annealed general
| Property |
Value |
| Density |
Density of 7.8 g/cm³ |
UGI® 202N – Grade 1 Annealed thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
- |
Coefficient of thermal expansion of 0.0000165 1/K |
20 to 100°C |
| - |
- |
Coefficient of thermal expansion of 0.000018 1/K |
20 to 300°C |
| Specific heat capacity |
- |
Specific heat capacity of 500 J/(kg·K) |
- |
| Thermal conductivity |
20 °C |
Thermal conductivity of 12 W/(m·K) |
- |
| - |
100 °C |
Thermal conductivity of 14 W/(m·K) |
- |
| - |
200 °C |
Thermal conductivity of 16 W/(m·K) |
- |
| - |
300 °C |
Thermal conductivity of 18 W/(m·K) |
- |
UGI® 202N – Grade 1 Annealed chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.05 - 0.1 % |
- |
| Chromium |
Chromium of 17.5 - 18.5 % |
- |
| Manganese |
Manganese of 9.0 - 10.0 % |
- |
| Nickel |
Nickel of 5.0 - 6.0 % |
- |
| Nitrogen |
Nitrogen of 0.25 - 0.32 % |
- |
| Phosphorus |
Phosphorus of 0.03 |
max. |
| Silicon |
Silicon of 0.30000000000000004 - 0.6000000000000001 % |
- |
| Sulfur |
Sulfur of 0.015 |
max. |
UGI® 202N – Grade 1 Annealed magnetic
| Property |
Value |
Comment |
| Relative magnetic permeability |
Relative magnetic permeability of 1.005 [-] |
max. |
UGI® 202N – Grade 1 Annealed electrical
| Property |
Value |
| Electrical resistivity |
Electrical resistivity of 7.3e-07 Ω·m |
UGI® 202N – Grade 1 Annealed mechanical
| Property |
Value |
Comment |
| Elastic modulus |
Elastic modulus of 200 GPa |
- |
| Elongation |
Elongation of 55.0 - 70.0 % |
min. |
| Reduction of area |
Reduction of area of 65.0 - 80.0 % |
- |
| Tensile strength |
Tensile strength of 680.0 - 750.0 MPa |
- |
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