Stainless Steel 321 bolts are fasteners with threads on both ends designed to secure two components together by engaging the threads in one component into the threads in the other component. The Stainless Steel 321 Bolt alloy used to make them offers exceptional corrosion resistance, high temperature strength, and durability, making them an ideal choice for many industrial applications. Stainless steel 321H Bolts are composed of metal alloys that contain at least 10% chromium. This metal has high levels of chromium and nickel, which gives it superior corrosion resistance. The “H” in the name stands for “high”, since these bolts have higher carbon content than other types of stainless steel grades. The higher carbon content makes them stronger and more resistant to wear and tear.
The main benefit of using Grade 321H Stainless Steel Bolts is their superior corrosion resistance. Because they contain high levels of chromium and nickel, they can resist rust even in damp conditions or when exposed to saltwater or other corrosive substances. This makes them ideal for use in marine environments or any other application where corrosion resistance is important. Additionally, because these bolts have high tensile strength and ductility, they can withstand heavier loads without breaking or deforming easily. Stainless Steel 321 Heavy Hex Bolts are very effective compared to other materials such as brass or aluminum. They require minimal maintenance due to their corrosion resistance properties and can last for years with minimal wear and tear. We offer various kinds of products like Stainless Steel 321 Nuts, Stainless Steel 321 Hex Screws, etc.
The 321 Stainless Steel Bolts alloy is composed primarily of iron, with at least 18% chromium and 8% nickel content. This combination gives it excellent strength and corrosion resistance, making it ideal for use in a wide range of industrial applications. It can withstand temperatures up to 870°C (1600°F), making it suitable for use in high-temperature environments. Additionally, its corrosion-resistant properties make it perfect for use in areas with high humidity or saltwater exposure.
As an added bonus, SS 321H Bolt are highly effective compared to other types of fasteners. They are stronger than carbon steel bolts, yet more affordable than titanium or aluminum options. On top of that, they also require minimal maintenance over time, as they do not need to be painted or treated like other types of fasteners do.
Material | Specification | Standards |
Size |
Length |
---|---|---|---|---|
Stainless Steel 321 / 321H Bolts
|
IS BS ASTM |
ASTM / ASME - A/ SA 193 |
3 mm |
M02 to M33 |
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
---|---|---|---|---|---|---|---|---|---|---|---|
321 |
min. max |
2.00 |
0.10 |
0.045 |
- 0.08 |
0.030 |
17.0 19.0 |
- |
0.75 |
9.0 12.0 |
Ti=5(C+N) 0.70 |
321H |
min. max |
2.00 |
- |
0.045 |
0.04 0.10 |
0.030 |
17.0 19.0 |
- |
0.75 |
9.0 12.0 |
Ti=4(C+N) 0.70 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) max | Brinell (HB) max | ||||
321 |
515 |
205 |
40 |
95 |
217 |
321H |
515 |
205 |
40 |
95 |
217 |
ASTM A193 SS 321 Bolt are known for their incredible durability. They are designed to last for years without showing any signs of wear and tear due to their strong construction materials and advanced processing techniques used during production. Their non-corrosive properties mean that they won’t degrade over time due to weathering or rusting like other metals might do. In addition, they can withstand extreme conditions such as heavy impacts and vibrations without breaking down or corroding away quickly like other materials would tend to do when exposed to such forces.