AISI 316L COLD H9 Stainless Steel is a type of stainless steel from the 316L grade, processed through cold rolling and precision finished to an H9 tolerance level. This steel is known for its superior corrosion resistance and high strength, making it suitable for applications that require precision and high surface quality.

Key Characteristics of AISI 316L COLD H9 Stainless Steel:

- Chemical Composition:
- Chromium (Cr): 16-18%, providing corrosion resistance and a polished appearance.
- Nickel (Ni): 10-14%, enhancing ductility and heat resistance.
- Molybdenum (Mo): 2-3%, improving corrosion resistance, especially in chloride environments.
- Carbon (C): Up to 0.03%, maintaining excellent corrosion resistance.
- Manganese (Mn): 2%, supporting the steel structure.
- Silicon (Si): 1%, improving corrosion resistance and machinability.

- Physical Properties:
- Corrosion Resistance: Excellent in various environments, including marine and chemical environments.
- Strength and Hardness: Improved compared to standard 316L steel, due to cold rolling and H9 precision treatment.
- Ductility: Easily machinable, bendable, and weldable, while maintaining good mechanical properties.

- Applications:
- Precision Industry: Used in high-precision components such as machinery and manufacturing equipment.
- Aerospace and Space Industry: Utilized in components requiring high corrosion resistance and precision.
- Food and Pharmaceutical Industry: Suitable for equipment requiring corrosion resistance and ease of cleaning.

- Form and Size:
- AISI 316L COLD H9 is typically available in sheets, bars, or tubes, with sizes and shapes tailored to specific application requirements.

Manufacturing and Processing:
- Production Process: AISI 316L COLD H9 is produced through cold rolling to achieve precise dimensions and a high-quality surface finish.
- Machining: Can be machined using mechanical methods such as cutting, drilling, welding, and bending, with high precision and good surface quality.
(Source: Internet)