In the field of stainless steel welding bolts, the popularity can vary based on specific applications, manufacturing standards, and material requirements. However, some of the most commonly used types include:
1. **A2-70
stainless steel bolts**: These are widely used in marine environments due to their excellent resistance to corrosion from saltwater. They are made from a combination of chromium, nickel, and molybdenum, which provides them with superior corrosion resistance.
2. **A490 Stainless Steel Bolts**: Often used in high-temperature applications where resistance to heat and corrosion is critical. They are made primarily from stainless steel and are suitable for use in temperatures up to 650°F (343°C).
3. **Grade 316 Stainless Steel Bolts**: Known for their exceptional corrosion resistance, especially in environments containing chloride ions or salt water. They contain more nickel than standard 304 grade stainless steel, making them ideal for marine and chemical processing industries.
4. **Grade 304 Stainless Steel Bolts**: One of the most common types of stainless steel, it offers good strength, corrosion resistance, and workability. It's used in a wide range of applications, including architectural structures, kitchen equipment, and general industrial uses.
5. **M2
Stainless steel screws**: Often used in precision applications due to their high accuracy and low magnetic properties, which prevent unwanted attraction to magnets during assembly.
6. **Stainless Steel Socket Head Cap Screws**: These are frequently used in machinery and equipment where a sleek, smooth head is preferred over a nut and bolt connection. They are available in various grades, including 304 and 316, depending on the application's requirements.
7. **Stainless Steel Studs**: Used in applications requiring a strong, permanent attachment, such as in the automotive industry, construction, and aerospace.
8. **Stainless Steel Washers**: Used alongside bolts to distribute the load and protect surfaces from damage. They come in various thicknesses and materials, including 304 and 316 stainless steel.
The choice of the most popular type often depends on the specific needs of the application, including environmental conditions, required strength, and durability.