200 Extra Hard Stainless Steel Strip
1. Basic characteristics
Composition: The nickel content in 200 series stainless steel is low, generally between 4% and 6%, and sufficient manganese and nitrogen are added to stabilize the austenite structure.
Performance: Due to the solid solution strengthening effect of nitrogen, the strength of stainless steel is improved, but the corrosion resistance is worse than that of 300 series stainless steel.
Magnetism: 200 series stainless steel has the non-magnetic properties of austenitic steel and its appearance is similar to that of 300 series stainless steel.
| 200 | 201 | 1Cr17Mn6Ni5N | |
| 202 | ICrI8Mn8Ni5N | Mn and N are used to replace part of nickel to obtain good mechanical properties and corrosion resistance. The room temperature strength is higher than 304, and it has good oxidation resistance and medium temperature strength below 800 degrees. It is also suitable for decorative pipes, industrial pipes and some shallow drawing products. |
2. Production process
Annealing: The cold-rolled strip is annealed at high temperature to soften the material and eliminate residual stress.
3. Application areas
Due to its low cost, 200 series stainless steel coils are widely used in many fields, including but not limited to:
4. Precautions
Corrosion resistance: Since the corrosion resistance of 200 series stainless steel is relatively poor, special attention should be paid when choosing the use scenario to avoid using it in a highly corrosive environment.
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