Stainless Steel 316 Fasteners – High-Performance Fastening Solutions from ASC LLP
At ASC LLP, we take pride in providing top-quality stainless steel fasteners for various industries. Among our most popular products are 316 stainless steel fasteners, known for their superior strength, corrosion resistance, and durability. These fasteners are widely used in demanding environments, such as chemical processing, marine applications, and high-temperature installations.
This detailed guide will walk you through everything you need to know about 316 stainless steel fasteners—from their properties and advantages to why they’re a perfect choice for various applications.
What is 316 Stainless Steel Fasteners?
316 stainless steel fasteners are components made from 316-grade stainless steel, a type of austenitic stainless steel that is particularly well-suited for use in challenging environments. This grade contains higher levels of nickel and molybdenum, providing excellent resistance to corrosion, particularly in chloride environments like seawater.
The inclusion of molybdenum in the alloy increases its pitting and crevice corrosion resistance, making 316 stainless steel fasteners a reliable choice for applications exposed to saltwater, chemicals, and high temperatures.
Properties of 316 Stainless Steel Fasteners
One of the reasons stainless steel 316 fasteners are so popular is their exceptional material properties. Below are some key properties that set them apart:
- Corrosion Resistance: The addition of molybdenum in 316 stainless steel significantly improves its resistance to corrosion, particularly in chloride environments, making these fasteners ideal for marine and coastal applications.
- High Tensile Strength: 316-grade stainless steel fasteners have a tensile strength of 515 MPa (75 ksi) and a yield strength of 205 MPa (30 ksi), ensuring their durability even under high loads.
- Temperature Resistance: 316 SS fasteners maintain their strength and structural integrity at elevated temperatures, up to 870°C (1598°F), making them suitable for high-temperature applications.
- Non-Magnetic: Although 316 SS fasteners are primarily non-magnetic, they can become slightly magnetic when worked, such as during the manufacturing process of screws, bolts, and nuts.
- Ductility and Formability: These fasteners offer good formability and ductility, which makes them easier to shape and manufacture. This is particularly beneficial for industries where custom fastener designs are required.
- Longevity: Due to their superior corrosion resistance and material strength, 316 SS fasteners tend to last longer than fasteners made from lower-grade materials.
- Aesthetic Appeal: 316 SS fasteners maintain a shiny, sleek appearance that does not tarnish over time, even in outdoor environments. This makes them ideal for architectural applications where aesthetics are important.
Advantages of 316 Stainless Steel Fasteners
There are several key advantages to using 316 stainless steel fasteners over other materials:
- Corrosion Resistance in Harsh Environments: The primary advantage of 316 SS fasteners is their ability to withstand exposure to saltwater, acidic chemicals, and high moisture levels. This makes them ideal for marine applications, chemical processing plants, and food production environments.
- High Durability: 316 stainless steel fasteners are durable and can endure heavy mechanical stress without becoming deformed or compromised, making them ideal for heavy-duty applications like construction and automotive industries.
- Low Maintenance: Thanks to their resistance to rust and corrosion, SS 316 fasteners require minimal maintenance over their lifespan. This saves time and reduces long-term costs, particularly in environments where regular maintenance is challenging.
- Resistance to High Temperatures: Due to their excellent thermal properties, 316-grade stainless steel fasteners are perfect for industries where the fasteners will be exposed to elevated temperatures, such as in furnace components, heat exchangers, and exhaust systems.
- Chemical Resistance: The molybdenum content in 316 SS fasteners allows them to withstand exposure to harsh chemicals such as sulfuric acid, bromides, and chlorides, which are commonly found in various industrial processes.
- Sustainability: Stainless steel is fully recyclable, and 316 SS fasteners are no exception. Their recyclability makes them a more sustainable option for environmentally conscious projects.
- Aesthetic and Hygienic Qualities: The sleek, polished surface of stainless steel 316 fasteners not only enhances the aesthetic appeal of structures but also makes them easier to clean and maintain in sterile environments, such as hospitals, food processing facilities, and pharmaceutical industries.
Schedule and Size Chart
| Fastener Type | Diameter (mm) | Length (mm) | Thread Size |
| Hex Bolts | 6mm – 100mm | 20mm – 500mm | M6 to M64 |
| Hex Nuts | 6mm – 100mm | – | M6 to M64 |
| Washers | 5mm – 80mm | – | – |
| Socket Head Screws | 3mm – 64mm | 10mm – 300mm | M3 to M64 |
| Stud Bolts | 6mm – 100mm | 50mm – 2000mm | M6 to M64 |
| Threaded Rods | 6mm – 100mm | 100mm – 6000mm | M6 to M64 |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 515 MPa (75 ksi) |
| Yield Strength | 205 MPa (30 ksi) |
| Elongation | 40% |
| Hardness | 95 HRB (Rockwell B) |
| Proof Stress (0.2% offset) | 241 MPa |
| Modulus of Elasticity | 193 GPa |
| Fatigue Strength | 270 MPa (at 10^7 cycles) |
| Impact Toughness | 160 J |
Specifications Chart
| Standard | Description |
| ASTM A193 | Standard for alloy steel and stainless steel bolting for high-temperature service |
| ASTM A320 | Standard for stainless steel fasteners for low-temperature service |
| ASTM F593 | Standard for stainless steel bolts, hex caps, and studs |
| ASTM F594 | Standard for stainless steel nuts |
| DIN 931 / 933 | Hexagon head bolts (partial and full thread) |
| DIN 934 | Hexagon nuts |
| ISO 3506-1, 3506-2 | Mechanical properties for fasteners (bolts, screws, nuts) |
Chemical Composition Chart
| Element | Composition (%) |
| Carbon (C) | Max 0.08% |
| Manganese (Mn) | Max 2.00% |
| Phosphorus (P) | Max 0.045% |
| Sulfur (S) | Max 0.030% |
| Silicon (Si) | Max 1.00% |
| Chromium (Cr) | 16.0 – 18.0% |
| Nickel (Ni) | 10.0 – 14.0% |
| Molybdenum (Mo) | 2.0 – 3.0% |
| Nitrogen (N) | Max 0.10% |
| Iron (Fe) | Balance |
Physical Properties Chart
| Property | Value |
| Density | 8.0 g/cm³ |
| Melting Point | 1371 – 1399°C (2500 – 2550°F) |
| Thermal Conductivity | 16.2 W/m·K (at 100°C) |
| Electrical Resistivity | 7.4 x 10^-7 Ω·m (at 20°C) |
| Specific Heat Capacity | 500 J/kg·K (at 20°C) |
| Coefficient of Expansion | 15.9 µm/m°C (at 0°C to 100°C) |
| Modulus of Elasticity | 193 GPa |
| Magnetic Permeability | Typically < 1.02 (non-magnetic) |
Applications Chart
| Industry | Application |
| Marine | Used in boat fittings, underwater structures, and docks due to high corrosion resistance to saltwater |
| Chemical Processing | Ideal for equipment in chemical plants and acid production units where resistance to harsh chemicals is essential |
| Food Processing | Utilized in equipment and machinery that come into contact with food, thanks to easy cleaning and resistance to food acids |
| Pharmaceuticals | Fasteners in sterile environments where corrosion resistance and hygiene are critical |
| Construction & Architecture | Used in outdoor structures, bridges, and monuments for durability and resistance to environmental conditions |
| Oil & Gas | Used in pipelines, refineries, and offshore drilling platforms due to resistance to chemicals and seawater |
| Aerospace | Employed in high-temperature environments such as jet engines and turbines due to their ability to withstand extreme heat and mechanical stress |
| Automotive | Utilized in car exhaust systems and other high-temperature engine components |
Why Choose ASC LLP for Your 316 Stainless Steel Fasteners?
At ASC LLP, we are committed to delivering top-quality stainless steel fasteners that meet the highest industry standards. When you choose us for your 316 stainless steel fasteners, you benefit from:
- Extensive Industry Experience: With years of experience, we understand the unique challenges and requirements across various industries, ensuring that we provide fasteners that meet your specific needs.
- Custom Solutions: If you need non-standard sizes or custom designs, we can provide tailored solutions to meet your exact specifications.
- Quality Assurance: All our 316 stainless steel fasteners are subjected to stringent quality checks, ensuring they meet the highest levels of performance and reliability.
- Competitive Pricing: We offer some of the most competitive prices in the market without compromising on quality.
- Timely Delivery: At ASC LLP, we pride ourselves on meeting deadlines and ensuring the timely delivery of your orders.
316 SS fasteners from ASC LLP offer unmatched durability, corrosion resistance, and strength, making them ideal for use in a wide range of industries. Whether you’re involved in marine, chemical, food processing, or high-temperature applications, our 316-grade stainless steel fasteners are designed to meet the highest performance standards.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Stainless Steel 316 Fasteners. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
