Harsh Metalloys is your go-to manufacturer and supplier of Stainless Steel 330 fasteners, proudly based in Mumbai, India. We focus on delivering top-notch fastening solutions that are designed to excel in extremely high-temperature and corrosive environments. Our SS 330 fasteners are crafted from high-quality materials using cutting-edge production techniques, ensuring they meet the rigorous demands of critical applications. With a solid presence in the industry and a strong commitment to quality, Harsh Metalloys caters to a variety of sectors, including furnace manufacturing, heat treatment, petrochemicals, and thermal processing. Renowned for our product durability, precision, and timely delivery, we’ve earned the trust of customers across India and beyond
Stainless Steel 330 fasteners are made from a robust austenitic alloy rich in nickel and chromium, containing about 35–37% nickel and 17–20% chromium, along with silicon to boost oxidation resistance. These fasteners provide exceptional strength and stability at temperatures soaring above 1100°C. Their mechanical properties boast a tensile strength of around 600–750 MPa and a yield strength of roughly 300 MPa. SS 330 fasteners are known for their outstanding resistance to thermal shock, carburization, and oxidation, making them perfect for high-temperature applications. The high nickel content guarantees excellent structural integrity and performance, especially in furnace and heat treatment settings.
|
Material |
Specification |
Standards |
Length |
Size
|
|
330 Stainless Steel Fasteners
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
3 mm to 200 mm
|
M 02 to M 160
|
| Component | Wt. % |
| C | Max 0.08 |
| Cr | 19 |
| Fe | 42 |
| Mn | Max 2 |
| Ni | 36 |
| P | Max 0.04 |
| S | Max 0.03 |
| Si | Max 1.13 |
| Hardness, Brinell | 139 | 139 | Converted from Rockwell B hardness. |
| Hardness, Knoop | 155 | 155 | Converted from Rockwell B hardness. |
| Hardness, Rockwell B | 80 | 80 | |
| Hardness, Vickers | 153 | 153 | Converted from Rockwell B hardness. |
| Tensile Strength, Ultimate | 585 MPa | 84800 psi | |
| Tensile Strength, Yield | 290 MPa | 42100 psi | at 0.2% offset |
| Elongation at Break | 45 % | 45 % | in 50 mm |
| Modulus of Elasticity | 197 GPa | 28600 ksi | at 21°C, 179 GPa at 315°C, 164 GPa at 540°C, 145 GPa at 760°C, 134 GPa at 870°C, 124 GPa at 980°C |
| Charpy Impact | 325 J | 240 ft-lb | Annealed |
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Stainless Steel 330 Nuts provide strong corrosion resistance and are used with 330 bolts. They come in sizes from M6 to M30, with corresponding dimensions matching the bolts. These nuts are designed to withstand high temperatures and harsh environments.
Stainless Steel 330 Stud Bolts exhibit exceptional resistance to corrosion and high-temperature environments. Available in sizes from M6 to M30 with standard lengths ranging from 50 mm to 300 mm, they ensure durability and strength for critical applications.
Stainless Steel 330 Bolts offer excellent corrosion resistance, especially in high-temperature environments. They are available in various sizes, typically from M6 to M30, with lengths from 20 mm to 200 mm, ensuring reliability in extreme conditions.
Stainless Steel 330 Threaded Rods offer superior corrosion resistance and are available in diameters from M6 to M30. They come in lengths from 100 mm to 1000 mm, suitable for various industrial applications requiring high temperature and corrosion resistance.
Stainless Steel 330 Screws are highly resistant to corrosion and heat, making them suitable for demanding environments. Sizes generally range from M3 to M12, with lengths from 10 mm to 100 mm, providing reliable performance in high-temperature applications.
Stainless Steel 330 Washers provide excellent corrosion resistance and are used to distribute load and prevent damage. They come in sizes ranging from M6 to M30, with thicknesses typically from 1 mm to 10 mm, ensuring compatibility with various fasteners.
We are committed to customer satisfaction with our products. To achieve this we conduct thorough testing on our SS 330 Fasteners to guarantee both safety and purity. We also test hardness, PMI, mechanical properties as well as flare and micro/ macro examination. All these checks are made so that there may not be a problem with the product we have produced. Our products go for a third-party check on quality in accordance with both national and international standards before it hits the markets. Only then do we introduce Stainless Steel 330 Fasteners into the market after their release.
You’ll find Stainless Steel 330 fasteners widely used in high-temperature industrial applications, including heat treating equipment, industrial furnaces, kilns, muffles, and thermal processing units. They’re also essential in petrochemical plants, power generation stations, and refinery systems, where components need to endure extreme heat and oxidizing conditions. Their remarkable resistance to carburization and scaling makes them ideal for securing components that face repeated thermal cycling. SS 330 fasteners promise long-lasting performance, safety, and reliability in structural and mechanical assemblies, where both thermal and corrosive challenges are present.
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