Stainless Steel 321 Hex Bolts are renowned for their superior high-temperature performance and excellent resistance to oxidation and corrosion. These hex bolts are ideal for applications in industries such as aerospace, automotive, and chemical processing, where durability and reliability are crucial. Produced in adherence to ASTM A320, ASME SA320, and DIN 931 standards, our Stainless Steel 321 Hex Bolts provide robust performance under extreme conditions. The 321-grade stainless steel is particularly valued for its stability at high temperatures and resistance to intergranular corrosion.


Features of SS 321 Hex Bolts SS 321 hex bolts offer several features that make them popular in various applications. Some of the key features include:

  • High strength: Stainless steel 321 hex bolts have a tensile strength of 515 MPa, making them strong enough to withstand heavy loads and high pressure.
  • Corrosion resistance: The chromium content in SS 321 hex bolts makes them highly resistant to corrosion, even in harsh environments with exposure to chemicals or saltwater.
  • Heat resistance: The addition of titanium in the alloy composition gives SS 321 hex bolts excellent heat resistance, making them suitable for use in high-temperature applications.
  • Low maintenance: Due to their resistance to corrosion and heat, Stainless steel 321 hex bolts require minimal maintenance, reducing the need for frequent replacements.


SS 321 Hex Bolts, Stainless Steel 321 Flange Hex Bolt, SS 321 Hex Head Bolts, Steel 321 Hex Bolts, Stainless Steel 321 Hexagon Bolt, Manufacturer Of SS 321 Heavy Hex Bolts, SS 321 Hex Bolts Manufacturers in India.


Stainless Steel 321 Hex Bolts
  • UNS

    S32100

  • WNR

    1.4541

  • ASTM / ASME

    ASTM A193 / SA193

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Stainless Steel 321 Hex Bolt Suppliers, Stainless Steel 321 Heavy Hex Head Bolt Stockist, SS 321 Hex Bolt Manufacturers, SS 321 Hexagonal Bolt, 321 Stainless Steel Hex Shoulder Bolt.


As a prominent stainless steel 321 hex bolt manufacturer, we ensure our products meet the highest industry standards. The typical chemical composition of SS 321 hex bolt includes approximately 17-19% chromium, 9-12% nickel, and a small amount of titanium, which enhances the alloy's resistance to high-temperature oxidation and carburization. This composition makes it an excellent choice for environments where temperature variations and corrosive elements are a concern. The addition of titanium stabilizes the steel against sensitization during welding, making it highly suitable for high-temperature applications.


As a leading stainless steel 321 hex bolt supplier in India, we provide high-quality hex bolts that cater to various industrial needs. We offer a range of sizes and specifications to meet different application requirements. The hex bolts are available in diameters and lengths for everything from structural support to machinery assembly. Each bolt undergoes rigorous testing to ensure it meets the necessary mechanical and chemical properties, offering reliability and longevity in demanding environments. Additionally, we offer value-added services like custom cutting and finishing to meet specific client needs.


The SS 321 hex bolt price can vary based on size, quantity, and market conditions. Typically, the cost ranges from approximately ₹100 to ₹400 per unit, depending on the specifications and order volume. We aim to provide competitive pricing while maintaining high product quality and service standards. As a trusted SS 321 hex bolt supplier in Mumbai, we offer prompt delivery and excellent customer support to ensure your projects run smoothly and efficiently.


ASTM A193 UNS S32100 Hex Bolts, UNS S32100 Hex Bolts, SS 321 Hex Head Bolt, Stainless Steel 321 Hex Bolts, SS 321 Hex Bolt, SS 321 Hex Bolt Manufacturers in India.


fevicon-logo SS 321 Hex Bolts Specification

Specifications ASTM A193 / ASME SA193
Standard ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
Diameter M3 to M100 up to 1000 MM
DIN Standard B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913
UTS NPT, UNS, UNF, UNC, UNEF, NPTF
ISO ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Surface Coating Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing Process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Vision Alloys's commitment to delivering top-quality products extends beyond merely supplying 321 SS hex bolts. We provide expert advice and support throughout the purchasing process, ensuring clients select the right bolts for their applications. Our extensive industry experience and focus on quality assurance mean that our stainless steel 321 hex bolts deliver superior performance and durability, meeting the diverse needs of our clients across various sectors.


Quality Assurance

To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.

Team OF Experts

Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of Hex Bolt.

fevicon-logo Equivalent Grades Of Stainless Steel 321 Hex Bolts

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10

fevicon-logo Chemical Composition of Stainless Steel 321 Hex Bolts

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

fevicon-logo Mechanical Properties of SS 321 Hex Bolts

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

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+91 22 6659 5948


fevicon-logo Types of Stainless Steel 321 Hex Bolts

Hex Bolt

SS 321 Hex Bolt

Heavy Hex Bolt

SS 321 Heavy Hex Bolt

Hex Tap Bolt

SS 321 Hex Tap Bolt

Hex Flange Bolt

SS 321 Hex Flange Bolt

Half Threaded Hex Bolt

SS 321 Half Threaded Hex Bolt

Fully Threaded Hex Bolt

321 SS Fully Threaded Hex Bolt

Hex Machine Bolt

SS 321 Hex Machine Bolt

Hex Shoulder Bolt

SS 321 Hex Shoulder Bolt


Hex Bolt Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools


fevicon-logo Other Types Of Stainless Steel 321 Hex Bolts

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UNS S32100 Hex Bolt Stainless Steel 321 Heavy Hex Bolt Manufacturer in Mumbai
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fevicon-logo Stainless Steel 321 Hex Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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