Stainless Steel 321 Fasteners

Stainless Steel 321 Fasteners

What industries or applications commonly use Stainless Steel 321 fasteners?

Stainless Steel 321 fasteners find extensive use in various industries and applications that demand excellent corrosion resistance and high strength. One of the primary sectors that commonly employ these fasteners is the chemical processing industry, where they are utilized in equipment such as reactors, heat exchangers, and condensers. The exceptional resistance of Stainless Steel 321 fasteners to a wide range of chemicals and acids, including sulfuric acid, makes them ideal for such demanding environments.

Additionally, the oil and gas industry relies on these fasteners for offshore and onshore installations and in pipelines, refineries, and petrochemical plants. Their ability to withstand chloride-induced stress corrosion cracking and pitting corrosion makes them a reliable choice in harsh and corrosive settings. Moreover, Stainless Steel 321 fasteners are also utilized in the food processing, pharmaceutical, pulp and paper industries, where their resistance to chemicals, heat, and corrosion is vital for ensuring product purity and maintaining hygienic conditions.

What are the main characteristics and advantages of Stainless Steel 321H fasteners?

Stainless Steel 321H fasteners possess several key characteristics and advantages that make them highly desirable in various applications. Firstly, their exceptional corrosion resistance sets them apart. Stainless Steel 321H fasteners exhibit excellent resistance to many corrosive environments, including acidic and chloride-rich environments, making them suitable for chemical processing, petrochemical, and offshore industries. They are particularly resistant to sulfuric acid, making them an ideal choice for applications where exposure to this corrosive substance is common.

Another significant characteristic of Stainless Steel 321H fasteners is their high strength. They offer impressive mechanical properties, including good tensile strength, which ensures their reliability and durability even in demanding conditions. This strength, coupled with their corrosion resistance, makes them suitable for applications that require both robustness and resistance to corrosion, such as heat exchangers, boilers, and condensers.

321 Stainless Steel Fasteners

Furthermore, Stainless Steel 321H fasteners exhibit excellent weldability. They can be easily welded using common welding techniques, which enhances their versatility in various fabrication processes. That makes them convenient to work with during installation and maintenance, reducing time and effort.

Manufacturing Process Of Stainless Steel 321 Fasteners

SS 321 Bolts and Nuts Specification

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
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.

Stainless Steel 321 Fasteners Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

Chemical Composition of SS 321H 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
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

Mechanical Properties of SS 321 Fasteners

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 %

Types Of Stainless Steel 321H Fasteners

321 SS Nuts

321 SS Nuts

321H SS Bolts

321H SS Bolts

321H Stainless Steel Screw

321H SS Screw

321 Stainless Steel Washers

321 Stainless Steel Washers

321 Stainless Steel Stud Bolt

321 Stainless Steel Stud Bolt

321H Stainless Steel Anchor Bolts

321H Stainless Steel Anchor Bolts

SS 321H Threaded Rod

SS 321H Threaded Rod

321 Stainless Steel Heavy Hex Bolts

321 Stainless Steel Heavy Hex Bolts

Stainless Steel 321 Hex Nuts

Stainless Steel 321 Hex Nuts

Other Types Of Stainless Steel 321 Fasteners

  • 321H Stainless Steel Hex Head Bolts
  • UNS S32109 Fasteners
  • Stainless Steel 321 Bolts
  • Stainless Steel 321 Nut Bolt
  • 321 Stainless Steel U Bolts
  • Stainless Steel 321 Nuts
  • ASTM F593 321 Stainless Steel Washers
  • 321 Stainless Steel Machine Screws
  • Stainless Steel 321 Fasteners
  • 1.4541 Fasteners
  • 321 Stainless Steel Bolts and Nuts
  • UNS S32100 Fasteners
  • 321 Stainless Steel Fasteners
  • 321 Stainless Steel Square Nuts
  • UNS S32100 Fasteners
  • Stainless Steel 321 Flat Washer
  • Stainless Steel 321 Industrial Fasteners
  • 321 Stainless Steel Heavy Hex Nuts
  • 321H Stainless Steel Hex Bolt
  • Stainless Steel 321 U Bolts
  • 321 Stainless Steel Double Ended Studs
  • 321 Stainless Steel Screw
  • SS 321H Self Locking Nuts
  • Stainless Steel 321H Allen Cap Screw
  • 1.4878 Nuts And Bolts
  • 321H Stainless Steel Plain Washer
  • SS 321 Spring Washer
  • SS 321 Ogee Washer
  • 321 Stainless Steel Wing Nuts
  • ASTM F594 SS 321 Coupling Nuts

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UNS S32100 Fasteners Price, Dimension, Weight

SS 321 Fasteners Industrial Application

Oil & Gas Industry

Oil & Gas Industry

Chemical Industry

Chemical Industry

Power Generation Industry

Power Generation Industry

Construction Industry

Construction Industry

Shipbuilding Industry

Shipbuilding Industry

Automotive Industry

Automotive Industry

Food Industry

Food Industry

Textile Industry

Textile Industry

Export & Supply Destination of SS 321H Fasteners

  • Countries - Moldova, Poland, Turkey, Belarus, Sweden, Azerbaijan, Netherlands, Russia, Finland, France, Portugal, Malta, Serbia, Estonia, Switzerland, Denmark, Bulgaria, United Kingdom, Latvia, Belgium, Lithuania, Cyprus, Ireland, Spain, Liechtenstein, Romania, Slovakia, Hungary, Luxembourg, Austria, Ukraine, Norway, Germany, Italy, Croatia, Czechia/Czech Republic, Greece, Monaco.
  • Cities - Augsburg, Antwerp, Nantes, Sofia, Bielefeld, Rotterdam, Palermo, Constanța, Malmö, Bucharest, Łódź, Espoo, Wrocław, Genoa, Valencia, Dresden, Stuttgart, Varna, Lyon, Alicante, Bydgoszcz, Warsaw, Madrid, Wuppertal, Lublin, Bologna, Palma de Mallorca, Cluj-Napoca, Athens, Nice, The Hague, Stockholm, imișoara, Frankfurt am Main, Murcia, Seville, Bari, Vienna, Naples, Leipzig, Bonn, Kaunas, Hamburg, Toulouse, Rome, Budapest, Gdańsk, Iași, Prague, Münster, Thessaloniki, Kraków, Paris, Aarhus, Nuremberg, Gothenburg, Copenhagen, Poznań, Plovdiv, Bremen, Duisburg, Córdoba, Tallinn, Amsterdam, Riga, Helsinki, Munich, Málaga, Dortmund, Mannheim, Bilbao, Szczecin, Florence, Hanover, Bratislava, Las Palmas, Lisbon, Galați, Utrecht, Karlsruhe, Vila Nova de Gaia, Barcelona, Berlin, Vilnius, Milan, Cologne, Marseille, Bochum, Sintra, Dublin, Essen, Düsseldorf, Zagreb, Brno, Zaragoza, Turin.
  • Countries - Malaysia, Philippines, Oman, South Korea, Iran, Israel, Kyrgyzstan, Thailand, Japan, Jordan, Russia, Vietnam, Armenia, Maldives, Saudi Arabia, Sri Lanka, Indonesia, Nepal, Egypt, Macau, Azerbaijan, Bangladesh, Bahrain, British, India, United Arab Emirates, Mongolia, China, Kuwait, Iraq, Hong Kong, Myanmar, North Korea, Taiwan, Qatar, Lebanon, Turkey, Afghanistan, Singapore, Bhutan.
  • Cities - Tehran, Yangon, Pune, Daegu, Quanzhou, Shanghai, Zunyi, Chengdu, Chongqing, Hyderabad, Ankara, Manila, Ahmedabad, Khulna, Shenyang, Vadodara, Shantou, Wuhan, Novosibirsk, Guangzhou, Quezon City, Jaipur, Nanjing, Hangzhou, Surat, Dubai, Dongguan, Taoyuan, Surabaya, Hyderabad, Kyoto, Yekaterinburg, Yerevan, Tainan, Nagpur, Kawasaki, Shymkent, Kabul, Bengaluru, Busan, New Taipei City, Davao City, Lucknow, Baku, Tbilisi, Beijing, Shenzhen, Mumbai, Ho Chi Minh City, Omsk, Caloocan, Chelyabinsk, Tokyo, Medan, Bandung, Kobe, Chittagong, Yokohama, Bangkok, Dhaka, Zhengzhou, Hong Kong, Chennai, Hefei, Xiamen, Ranchi, Seoul, Tianjin, Zhongshan, Taichung, Riyadh, Izmir, Incheon, Kochi, Hanoi, Baghdad, Delhi, Astana, Kuala Lumpur, Kaohsiung, Jeddah, Faisalabad, Phnom Penh, Lahore, Istanbul, Osaka, Pyongyang, Rawalpindi, Jakarta, Wenzhou, Changsha, Almaty, Fukuoka, Peshawar, Sapporo, Taipei, Suzhou, Xi'an, Krasnoyarsk, Kolkata, Foshan.
  • Countries - Nigeria, Rwanda, South Africa, Madagascar, Gambia, Mauritius, Uganda, Mozambique, Senegal, Botswana, Central African Republic, Burkina Faso, Morocco, Niger, Liberia, Cameroon, Zimbabwe, Namibia, Eswatini, Libya, Ethiopia, Seychelles, Kenya, Angola, Algeria, Tunisia, Tanzania, Burundi, Egypt, Zambia, Mauritania.
  • Cities - Dar es Salaam, Durban, Kinshasa, Mogadishu, Abidjan, Accra, Alexandria, Cape Town, Cairo, Casablanca, Abjua, Addis Ababa, Kano, Luanda, Johannesburg, Lagos, Pretoria, Nairobi
  • Countries - El Salvador, Panama, Uruguay, Paraguay, Mexico, Dominica, Saint Vincent and the Grenadines, Grenada, Honduras, Ecuador, Bolivia, Bahamas, Argentina, Saint Lucia, Canada, Guyana, Belize, Dominican Republic, Trinidad and Tobago, Nicaragua, Suriname, United States of America, Brazil, Costa Rica, Haiti, Colombia, Jamaica, Cuba, Chile, Antigua and Barbuda, Peru, Barbados, Venezuela, Guatemala.
  • Cities - Columbus, Dallas, Hermosillo, Acapulco, Tegucigalpa, Philadelphia, Houston, Fort Worth, Zapopan, Campo Grande, São Luís, Mérida, Charlotte, Toronto, Austin, Rio de Janeiro, São Gonçalo, Barranquilla, Ciudad Juárez, Calgary, Indianapolis, Barquisimeto, Santa Cruz, Quito, Port-au-Prince, Ottawa, Natal, Puebla, Chicago, Chihuahua, Brasília, Montreal, Monterrey, Recife, Porto Alegre, Medellín, Guayaquil, Maracaibo, Trujillo, Goiânia, Managua, Santiago, Rosario, Duque de Caxias, Havana, San Francisco, Jacksonville, Mexico City, Belém, Caracas, Guadalajara, San Diego, Edmonton, Los Angeles, New York, Valencia, León, Manaus, Ecatepec, Fortaleza, San Jose, Nezahualcóyotl, San Antonio, Phoenix, Santo Domingo, Salvador, Montevideo, Lima, Guatemala City, Córdoba, Cali, Campinas, Guarulhos, Belo Horizonte, Bogotá, Buenos Aires, Denver, Tijuana, Curitiba, Ciudad Guayana, São Paulo, El Alto
  • Countries - Australia, Samoa, Solomon Islands, Palau, New Zealand, Tonga, Tuvalu, Nauru, Marshall Islands, Papua New Guinea, Micronesia, Kiribati, Vanuatu, Fiji.
  • Cities - Ballarat, Adelaide, Tauranga, Canberra–Queanbeyan, Mandurah, Auckland, Honiara, Hamilton, Port Moresby, Bendigo, Palmerston North, Melbourne, Lae, Albury–Wodonga, Gold Coast, Brisbane, Wellington, Central Coast, Suva, Cairns, Sydney, Papeete, Wollongong, Newcastle–Maitland, Townsville, Sunshine Coast, Dunedin, Launceston, Darwin, Geelong, Hobart, Honolulu, Perth, Nouméa, Toowoomba, Christchurch