Stainless Steel 321
Fasteners
Stainless Steel 321 Fasteners
Stainless steel 321 is austenitic steel widely used in high-temperature applications and harsh environments. Its unique mechanical and chemical properties blend makes it a popular choice for fasteners, especially in aerospace, chemical processing, and power generation industries.
What are the Stainless Steel 321 Fasteners’ Features?
Stainless Steel 321 Fasteners offer several features that make them popular in various applications. One of their top features is their excellent resistance to oxidation and scaling at high temperatures. They are also highly corrosion-resistant, making them an excellent choice for harsh environments. Additionally, these fasteners are easy to weld and form, making them versatile and suitable for different applications.
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What are the Stainless Steel 321 Fasteners’ Corrosion Resistance?
Stainless steel 321 fasteners have exceptional resistance to various types of corrosion, including general and stress corrosion cracking. They contain nickel, which enhances the steel’s pitting and crevice corrosion resistance in chloride environments. This feature makes them ideal for chemical and petrochemical processing industries, where corrosion resistance is vital.
What are the Stainless Steel 321 Fasteners’ Chemical Composition?
The composition of stainless steel 321 fasteners comprises a mixture of iron, carbon, nickel, and trace amounts of other metals like titanium and chromium. Its high content of titanium and nickel significantly enhances its mechanical strength and corrosion resistance, which makes it a popular choice for critical applications.
What are the Stainless Steel 321 Fasteners’ Physical & Mechanical Properties?
Stainless Steel 321 fasteners offer excellent physical and mechanical properties, making them a top choice for high-temperature applications. Their material toughness increases with the increase in temperature, making them excellent fasteners for extreme temperatures. They offer high tensile strength, excellent flexibility, and good workability, making them easy to fabricate and install in various applications
Stainless steel 321 fasteners are an essential component of various applications that require high temperature and corrosion resistance. They offer excellent mechanical and physical properties, including high strength, easy workability, and excellent oxidation resistance. Their unique features and properties make them ideal for harsh environments like the chemical and petrochemical processing industries and power generation.
Stainless Steel 321 Fasteners Manufacturing Process
1. Forging or Forming
& Machining
2. Hole Drilling
& Surface Treatment
3. Quality Control
& Marking Identification
4. Final Inspection
& Packaging
Specification of Stainless Steel 321 Fasteners
| Standard | ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194 |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Machine Screws Size | M1.6 – M12 |
| Self Tapping Screw Size | No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
Types of Stainless Steel 321 Fasteners

Stainless Steel 321 Nuts

Stainless Steel 321 Bolts

Stainless Steel 321 Screws

Stainless Steel 321 Threaded Rods

Stainless Steel 321 Stud Bolts

Stainless Steel 321 Washers
Stainless Steel 321 Fasteners Other Types
- 321 Stainless Steel Fasteners
- Stainless Steel 321 Washer
- 321 Stainless Steel Heavy Hex Bolts
- SS 321 Eye Bolts
- 321 Stainless Steel U Bolts
- UNS S32100 Fasteners
- SS 321 Anchor Fasteners
- Stainless Steel 321 Industrial Fasteners
- Stainless Steel 321 Nut Bolt
- 321 Stainless Steel Socket Set Screw
- SS 321 Hex Head Bolt
- Stainless Steel 321 Fasteners
- 321 Stainless Steel Square Nuts
- SS 321 Dome Washer
- SS 321 Washers
- 321 Stainless Steel Double Ended Studs
- SS 321 Fasteners Price List
- Stainless Steel 321 Carriage Bolts
- ASME SF593 Stainless Steel 321 Fasteners
- Stainless Steel 321 Structural Bolts
- SS 321 Self Tapping Screw
- Stainless Steel 321 Threaded Rod
- SS 321 Acorn Nuts
- 321 Self Locking Nuts
- Stainless Steel 321 Allen Cap Screw
- Stainless Steel 321 Studs
- 321 Stainless Steel Plain Washer
- 321 Stainless Steel Coupling Nuts
- 321 Stainless Steel Wing Nuts
- Stainless Steel 1.4541 Fastener
- 321 Stainless Steel Heavy Hex Nuts
- 321 Stainless Steel Allen Cap Screw
- 321 Stainless Steel Ogee Washers
- Stainless Steel 321 Spring Washer
- 321 Stainless Steel Bolts and Nuts
- Stainless Steel 321 Stud Bolts
- Stainless Steel 321 Flat Washers
- Thick Stainless Steel 321 Washers
Stainless Steel 321 Fasteners Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
|---|---|---|---|---|
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
Chemical Composition of Stainless Steel 321 Fasteners
| 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 |
Stainless Steel 321 Fasteners Mechanical Properties
| 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% |
Stainless Steel 321 Fasteners Price, Dimension, Weight Details
Countries & Cities we Export Stainless Steel 321 Fasteners To
Vietnam, Kuwait, Russia, Thailand, North Korea, Singapore, Nepal, Kyrgyzstan, Bangladesh, Armenia, Bhutan, Qatar, Azerbaijan, Maldives, Iraq, Egypt, Philippines, Oman, Jordan, United Arab Emirates, Japan, South Korea, Lebanon, China, Macau, Mongolia, Taiwan, Turkey, Myanmar, Afghanistan, Iran, British, Bahrain, Sri Lanka, Indonesia, Saudi Arabia, Hong Kong, Israel, Malaysia, India.
Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Malta, Romania, Portugal, Turkey, Estonia, Serbia, Norway, Germany, Finland, Netherlands, Monaco, Poland, Sweden, Slovakia, United Kingdom, Hungary, Moldova, Russia, Liechtenstein, Croatia, Switzerland, Ireland, Cyprus, Czechia/Czech Republic, Spain, Denmark, France, Latvia, Greece, Ukraine, Lithuania, Italy, Luxembourg.
Algeria, Angola, Botswana, Burkina Faso, Burundi, Zimbabwe, Eswatini, Egypt, Rwanda, Kenya, Niger, South Africa, Ethiopia, Mozambique, Gambia, Namibia, Cameroon, Tanzania, Tunisia, Mauritius, Central African Republic, Madagascar, Uganda, Mauritania, Seychelles, Zambia, Morocco, Liberia, Nigeria, Libya, Senegal.
Antigua and Barbuda, Bahamas, Barbados, Belize, Saint Lucia, Costa Rica, Panama, Saint Vincent and the Grenadines, Dominican Republic, Dominica, United States of America, Grenada, El Salvador, Cuba, Canada, Guatemala, Honduras, Mexico, Jamaica, Trinidad and Tobago, Haiti, Nicaragua.
Venezuela, Nauru, Colombia, Kiribati, Paraguay, Chile, Australia, Suriname, Solomon Islands, Micronesia, Samoa, Bolivia, Marshall Islands, Argentina, Uruguay, Tuvalu, Peru, Fiji, Vanuatu, Palau, Guyana, New Zealand, Ecuador, Tonga, Papua New Guinea, Brazil.
Hobart, Glasgow, Jayapura, Mahboula, Antalya, Jakarta, Ottawa, Rouen, Liverpool, Ghayathi, Fahaheel, Southampton, Kazan, Sharjah, Lyon, Delhi, Banjarmasin, Mumbai, Ruwais, Vancouver, Barnaul, Krasnodar, Cologne, Novosibirsk, Winnipeg, Ballarat, Strasbourg, Montreal, Omsk, Chennai, Bandung, Lucknow, Düsseldorf, Bristol, Khor Fakkan, Bremen, Fethiye, Medan, Abdali, Mackay, Hawally, Moscow, Bursa, Izmir, Manchester, Perth, Marseille, Darwin, Denpasar, Brisbane, Oxford, Melbourne, Toronto, Paris, Bordeaux, Volgograd, Al Ain, Berlin, Hyderabad, Dubai, Denizli, Konya, Nice, London, Lyon, Munich, Surabaya, Essen, Hamburg, Edirne, Fintas, Navi Mumbai, Saint Petersburg, Ahmedabad, Yogyakarta, Sydney, Quebec City, Fujairah, Toulouse, Mississauga, Makassar, Istanbul, Brampton, Dresden, Al Ahmadi, Surrey, Abu Dhabi, Edinburgh, Bangalore, Birmingham, Lille, Ajman, Chelyabinsk, Bhopal, Jabriya, Newcastle upon Tyne, Dortmund, Al Jahra, Sabah Al-Salem, Kolkata, Augsburg, Saratov, Trabzon, Ankara, Salmiya, Batam, Hatta, Adelaide, Hamilton, Bendigo.
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