Stainless Steel 446 Fasteners: High Quality and Versatility at ASC LLP
Stainless Steel 446 Fasteners are widely recognized for their exceptional resistance to oxidation and corrosion, even in the harshest environments. These fasteners, made from 446-grade stainless steel, are primarily used in applications that require durability, longevity, and resistance to extreme temperatures. In industries such as petrochemical, marine, and power generation, Stainless Steel 446 Fasteners play a crucial role due to their superior performance under high heat and corrosive conditions.
What Are 446 Stainless Steel Fasteners?
Stainless Steel 446 Fasteners are made from a ferritic stainless steel alloy with high chromium content (approximately 23-27%). Known for their outstanding resistance to oxidation and sulfurous environments, these fasteners are designed to perform exceptionally well at temperatures as high as 1100°C.
The high chromium content in 446 stainless steel gives the fasteners excellent protection against oxidation and scaling in environments exposed to fluctuating temperatures. They also have high resistance to corrosion from chemicals, making them a popular choice for industries that deal with harsh substances.
Properties of 446 Stainless Steel Fasteners
Understanding the properties of 446 stainless steel fasteners is essential for determining their suitability in various applications. Below are some of the key properties that make them stand out:
- Oxidation Resistance: One of the most significant properties of 446 SS fasteners is their remarkable resistance to oxidation. These fasteners can maintain their strength and performance even at temperatures up to 1100°C. This makes them ideal for high-temperature applications, including industrial furnaces and exhaust systems.
- Corrosion Resistance: 446 SS fasteners offer excellent corrosion resistance, particularly in environments that are acidic or involve exposure to saltwater. This makes them a popular choice for marine applications and in industries that deal with sulfuric or phosphoric acids.
- Strength and Toughness: Despite being ferritic, 446-grade stainless steel maintains its toughness even at low temperatures. The combination of strength and durability ensures that these fasteners can handle heavy loads and high-pressure environments without deforming.
- Thermal Conductivity: 446 stainless steel has superior thermal conductivity compared to austenitic grades, making it an excellent material for applications where heat dissipation is critical.
- Weldability: Though not as easily weldable as austenitic grades, 446 SS fasteners can be welded with proper techniques, ensuring they can be used in a wide variety of structural applications.
- Low Carbon Content: The low carbon content in 446 SS fasteners helps minimize carbide precipitation, which contributes to their superior resistance to intergranular corrosion.
Advantages of 446 Stainless Steel Fasteners
446 stainless steel fasteners provide a host of benefits that make them an excellent choice for demanding applications. Below are some of the major advantages:
- High Heat Resistance: One of the biggest advantages of using stainless steel 446 fasteners is their ability to perform under extreme temperatures. Whether it’s in a furnace, power plant, or exhaust system, these fasteners remain stable and strong, ensuring the structural integrity of the components they hold together.
- Excellent Corrosion Resistance: Due to their high chromium content, 446 SS fasteners are resistant to corrosion from environmental elements, chemicals, and seawater. This makes them the go-to choice for use in marine, industrial, and chemical processing industries.
- Durability in Harsh Environments: Whether exposed to high heat, corrosive chemicals, or fluctuating temperatures, 446-grade stainless steel fasteners offer unparalleled durability. This ensures long-lasting performance and minimal maintenance, reducing the overall cost of ownership.
- Reduced Maintenance: Because of their resistance to corrosion, oxidation, and wear, 446 SS fasteners require minimal maintenance. This makes them highly cost-effective over the long term as they reduce the need for frequent replacements.
- Versatility: These fasteners are used in a wide range of industries, including construction, automotive, petrochemical, and power generation. Their versatility and reliability make them suitable for both structural and functional applications in harsh environments.
Schedule and Size Chart
| Fastener Type | Diameter (mm) | Length (mm) | Thread Type |
| Bolts | 6 – 36 mm | 10 – 150 mm | Full/Partial Thread |
| Nuts | 6 – 36 mm | – | Standard/Metric |
| Washers | 5 – 34 mm | – | Flat/Spring |
| Screws | 4 – 30 mm | 5 – 120 mm | Full/Partial Thread |
| Stud Bolts | 6 – 36 mm | 50 – 200 mm | Fully Threaded |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 485 MPa (min) |
| Yield Strength (0.2% offset) | 275 MPa (min) |
| Elongation | 20% (in 50mm gauge length) |
| Hardness (Brinell) | 217 HBW (max) |
| Shear Strength | 80-90 MPa (approx.) |
| Impact Strength (Charpy V-notch) | Medium (Moderate toughness) |
Specifications Chart
| Standard | Specification |
| ASTM Standard | ASTM A193 / A194 (Bolts/Nuts) |
| ISO Standard | ISO 3506-4 |
| DIN Standard | DIN 1.4762 |
| BS Standard | BS 1449 (Stainless Sheet/Plate) |
| ASME Standard | ASME SA-193 / SA-194 (Bolts/Nuts) |
| Thread Standard | Metric, UNC, UNF, BSW, BSF |
| Certification | ISO 9001, CE, RoHS |
Chemical Composition Chart
| Element | Percentage (%) |
| Chromium (Cr) | 23.0 – 27.0 |
| Carbon (C) | 0.20 (max) |
| Nickel (Ni) | 0.5 (max) |
| Manganese (Mn) | 1.50 (max) |
| Silicon (Si) | 1.00 (max) |
| Sulfur (S) | 0.030 (max) |
| Phosphorus (P) | 0.040 (max) |
| Iron (Fe) | Balance |
Physical Properties Chart
| Property | Value |
| Density | 7.75 g/cm³ |
| Melting Point | 1480°C – 1530°C |
| Thermal Conductivity | 19.2 W/m-K (at 100°C) |
| Specific Heat | 460 J/kg-K |
| Electrical Resistivity | 85 μΩ·cm (at 20°C) |
| Modulus of Elasticity | 200 GPa |
| Thermal Expansion Coefficient | 10.4 µm/m°C (20-100°C) |
Application Chart
| Industry | Applications |
| Petrochemical Industry | Heat exchangers, reactors, chemical processing units |
| Marine Industry | Offshore platforms, shipbuilding, dock construction |
| Power Generation | Boilers, turbines, heat treatment units |
| Automotive Industry | Exhaust manifolds, catalytic converters, turbochargers |
| Construction | High-temperature furnaces, structural components |
| Furnace Components | Fastening components in industrial furnaces |
| Heat Treatment | Components exposed to high heat and oxidizing environments |
Why Choose Stainless Steel 446 Fasteners from ASC LLP?
At ASC LLP, we pride ourselves on being a trusted manufacturer and supplier of high-quality 446 SS fasteners. Here’s why you should choose our products:
- Top-Grade Materials: We use only the finest 446 stainless steel to manufacture our fasteners, ensuring excellent performance in demanding applications.
- Customization: We offer customization options for our fasteners, so you can get the exact specifications that suit your application needs.
- Wide Range of Products: From bolts and nuts to washers and screws, we provide a comprehensive range of 446 SS fasteners to meet the diverse needs of our clients.
- Quality Assurance: All our fasteners go through stringent quality checks to ensure they meet international standards and provide reliable performance.
- Competitive Pricing: We offer high-quality SS 446 fasteners at competitive prices, ensuring you get the best value for your investment.
446 stainless steel fasteners offer excellent resistance to high temperatures, corrosion, and oxidation, making them ideal for use in harsh environments. Whether you’re in the petrochemical, marine, or power generation industry, these fasteners provide durability and reliability, ensuring the longevity of your applications.
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 446 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.
