Stainless Steel 303
Fasteners
Stainless Steel 303 Fasteners
Stainless steel 303 is one of the most popular materials for manufacturing fasteners. It has excellent corrosion resistance, good machinability, and outstanding mechanical properties. Stainless Steel 303 Fasteners are commonly used in the automotive, aerospace, and construction industries because they can withstand extreme temperatures and harsh environments.
Features of Stainless Steel 303 Fasteners
Stainless Steel 303 Fasteners have several features that are ideal for different applications. First, these fasteners have excellent machining and welding capabilities. They can be easily formed into different shapes and sizes without compromising their strength. Additionally, they are resistant to scaling and oxidation when exposed to high temperatures. This feature makes them highly desirable for high-temperature environments, such as boilers and furnaces.
Table of Contents
Corrosion Resistance of Stainless Steel 303 Fasteners
One of the most significant selling points of Stainless Steel 303 Fasteners is their corrosion resistance. Without rusting or corroding, these fasteners can withstand harsh environmental conditions, such as saltwater, chemicals, and acids. They are also highly resistant to pitting and crevice corrosion, which can compromise the integrity of the fastener. Stainless Steel 303 Fasteners are also inherently non-magnetic, making them ideal for electronic and magnetic applications.
Chemical Composition of Stainless Steel 303 Fasteners
Stainless Steel 303 Fasteners are made from an alloy that contains a high percentage of chromium and nickel. This composition gives them exceptional corrosion resistance and durability. Additionally, Stainless Steel 303 Fasteners contain sulfur, which improves the machinability of the fastener. The high sulfur content makes the steel easier to cut, drill, and form into different shapes and sizes. However, the presence of sulfur can also reduce the overall strength of the fastener.
Heat Treatment of Stainless Steel 303 Fasteners
Stainless Steel 303 Fasteners are heat treated to improve their mechanical properties. Heat treatment involves heating the fastener to a specific temperature and then cooling it rapidly to create a more robust and durable steel. This process can be performed differently, depending on the manufacturer’s preference. Some manufacturers perform annealing, which involves heating the steel and cooling it slowly to improve its flexibility. Others use precipitation-hardening to impart greater strength and hardness to the steel.
Stainless Steel 303 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 303 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 303 Fasteners

Stainless Steel 303 Nuts

Stainless Steel 303 Bolts

Stainless Steel 303 Screws

Stainless Steel 303 Threaded Rods

Stainless Steel 303 Stud Bolts

Stainless Steel 303 Washers
Stainless Steel 303 Fasteners Other Types
- Stainless Steel 303 Stud Bolts
- 303 Stainless Steel Bolts and Nuts
- Stainless Steel 303 Threaded Rod
- SS 303 Acorn Nuts
- 303 Stainless Steel Heavy Hex Nuts
- 303 Stainless Steel Ogee Washers
- 303 Self Locking Nuts
- Stainless Steel 303 Allen Cap Screw
- Stainless Steel 303 Spring Washer
- Stainless Steel 303 Studs
- SS 303 Self Tapping Screw
- Stainless Steel 303 Structural Bolts
- 303 Stainless Steel Coupling Nuts
- Stainless Steel 1.4305 Fastener
- 303 Stainless Steel Wing Nuts
- 303 Stainless Steel Plain Washer
- Stainless Steel 303 Flat Washers
- 303 Stainless Steel Allen Cap Screw
- Thick Stainless Steel 303 Washers
- Stainless Steel 303 Carriage Bolts
- Stainless Steel 303 Fasteners
- 303 Stainless Steel Socket Set Screw
- SS 303 Washers
- 303 Stainless Steel U Bolts
- ASME SF593 Stainless Steel 303 Fasteners
- SS 303 Anchor Fasteners
- SS 303 Fasteners Price List
- UNS S30300 Fasteners
- Stainless Steel 303 Industrial Fasteners
- SS 303 Hex Head Bolt
- Stainless Steel 303 Washer
- SS 303 Eye Bolts
- SS 303 Dome Washer
- 303 Stainless Steel Double Ended Studs
- 303 Stainless Steel Square Nuts
- 303 Stainless Steel Heavy Hex Bolts
- 303 Stainless Steel Fasteners
- Stainless Steel 303 Nut Bolt
Stainless Steel 303 Fasteners Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS |
|---|---|---|---|
| SS 303 | 1.4305 | S30300 | SUS 303 |
Chemical Composition of Stainless Steel 303 Fasteners
| STANDARD | WERKSTOFF NR. | UNS | JIS |
|---|---|---|---|
| SS 303 | 1.4305 | S30300 | SUS 303 |
Stainless Steel 303 Fasteners Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 0.285 lb/in3 | Psi – 85000 | Psi – 45000 | 50% |
Stainless Steel 303 Fasteners Price, Dimension, Weight Details
Countries & Cities we Export Stainless Steel 303 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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