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Set out on a path toward outstanding performance with our Stainless Steel 321 Bolts, prominently displayed on our product pages. Browse a wide range of premium solutions thoughtfully engineered to satisfy the demanding requirements of varied industries. Immerse yourself in a world of adaptability and reliability with our carefully Custom-built Stainless Steel 321 Bolts, precisely fashioned for countless industrial uses. Our bolts highlight carefully Custom-built characteristics built to satisfy industry standards, emphasizing durability and corrosion resistance native to Stainless Steel 321. As an esteemed supplier, we put the greatest focus on customer satisfaction, providing adaptable options, competitive pricing, and rapid delivery for Stainless Steel 321 Bolts. Whether in construction, manufacturing, or engineering endeavors, our Stainless Steel 321 Bolts embody remarkable performance, setting fresh benchmarks for quality and innovation. Our unwavering commitment to excellence strengthens your business with dependable solutions, guaranteeing success and confidence with every purchase.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
At Sumakhsteel, we’re proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. Featuring modern production facilities strategically situated in the USA, we maintain an extensive stock of more than 25,000 tons of top-grade materials kept ready in inventory.
Reach out to us for a fast quote tailored to your needs.
We supply these Stainless Steel 321 Bolts conforming to DIN, ISO, JIS or ANSI Standard.
Stainless Steel 321 Bolts serve applications as varied as the industries they support, led mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
High-Temperature Environments: Stainless steel 321 bolts are especially well-suited for use in high-temperature settings. They can endure temperatures of roughly 900°C (1650°F) while retaining their mechanical properties. This makes them appropriate for heat exchangers, exhaust systems, and other parts in sectors such as aerospace, automotive, and petrochemical.
Corrosion Resistance: Stainless steel 321 bolts provide outstanding corrosion resistance, particularly against intergranular corrosion following exposure to temperatures within the chromium carbide precipitation range (427-816°C or 800-1500°F). This characteristic makes them well-suited for use in chemical processing, food processing, and marine settings where resisting corrosion is essential.
Pressure Vessels: Bolts manufactured from stainless steel 321 are frequently employed in building pressure vessels, particularly those dealing with corrosive materials or functioning at high temperatures. Their resistance to corrosion and high-temperature capabilities make them appropriate for maintaining the structural integrity and safety of such vessels.
Application Requirements: Identify the particular needs of your application, taking into account elements like temperature, pressure, corrosion exposure, and mechanical loads. Assess whether the bolts will be applied in high-temperature settings, corrosive atmospheres, or under heavy loads.
Material Properties: Stainless steel 321 bolts provide high-temperature resistance, outstanding corrosion resistance, and solid mechanical properties. Confirm that these characteristics match the requirements of your application. Stainless steel 321 is stabilized with titanium, which makes it resistant to intergranular corrosion following exposure to temperatures within the chromium carbide precipitation range.
Size and Dimensions: Choose bolts with the correct size, length, and thread pitch to fasten the mating components securely. Take into account elements like bolt diameter, length, and thread specifications according to the design requirements and load conditions of your application.
Bolt Grade and Strength: Stainless steel bolts come in various grades and strength levels. Establish the necessary strength level according to the mechanical load and stress conditions in your application. Stainless steel 321 bolts are generally offered in standard strength grades suited to most applications.
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Mail: sales@sumakhsteel.com
