Carbon Steel A307
Fasteners
Carbon Steel A307 Fasteners
Fasteners are an integral part of any manufacturing industry. They keep the machinery and equipment together and enhance their stability and durability. Among various types of fasteners available in the market, the Carbon Steel A307 Fasteners are popularly used due to their robustness and resilience. The Carbon Steel A307 Fasteners are versatile and economical fasteners widely used in various industries. They have excellent physical and mechanical properties that are ideal for high-stress applications.
Features of Carbon Steel A307 Fasteners
The Carbon Steel A307 Fasteners are low-cost fasteners that are easy to machine and hot-form. Due to their low work-hardening rate and flexibility, they are used in various industries like chemical, petroleum, steam, gas, water, and power generation. The bolts, nuts, and screws made of carbon steel A307 are galvanically compatible with other materials and do not trigger dissimilar metal corrosion. They have a high resistance to wear and tear due to the hard surface layer formed after fastener servicing.
Table of Contents
Corrosion Resistance of Carbon Steel A307 Fasteners
Carbon Steel A307 Fasteners are designed to resist corrosion. The presence of nickel in A307 improves its corrosion resistance as it shrinks the grain size, increasing fatigue life and tensile strength. Carbon Steel A307 Fasteners, when exposed to elevated temperatures, are susceptible to stress-corrosion cracking. To avoid any mishap, choosing a fastener with high nickel content, low hardness, and stress-relieved forging is ideal.
Chemical Composition of Carbon Steel A307 Fasteners
The chemical composition of Carbon Steel A307 Fasteners makes them ideal for many applications. They comprise elements like Carbon, Manganese, Phosphorus, Sulfur, Silicon, Copper, Chromium, Molybdenum, and Nickel, which impart strength and durability to the fasteners. Carbon Steel A307 Fasteners have a minimum yield strength of 36 ksi and are forged at a temperature of 2200°F with a cool-in-air process.
Applications of Carbon Steel A307 Fasteners
Carbon Steel A307 Fasteners are widely used to manufacture flanges, pipe fittings, valves, and other piping components. They are also used in high-temperature power generation plants, petroleum refineries, chemical plants, and paper mills. Due to their excellent corrosion resistance, they ensure the safe and secure transportation of crude oil, natural gas, and other petroleum products.
Physical & Mechanical Properties of Carbon Steel A307 Fasteners
Carbon Steel A307 Fasteners have excellent physical and mechanical properties. They have a density of 7.8gm per cubic cm, a melting point of 1432°C, and a thermal conductivity of 24 W/mK. They have a tensile strength of 485 MPa and a yield strength of 250 MPa. Their elongation at break is 20%, and their hardness in the annealed condition is Brinell 187.
Carbon Steel A307 Fasteners Manufacturing Process
1. Forging or Forming
& Machining
2. Hole Drilling
& Surface Treatment
3. Quality Control
& Marking Identification
4. Final Inspection
& Packaging
Specification of Carbon Steel A307 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 Carbon Steel A307 Fasteners

Carbon Steel A307 Nuts

Carbon Steel A307 Bolts

Carbon Steel A307 Screws

Carbon Steel A307 Threaded Rods

Carbon Steel A307 Stud Bolts

Carbon Steel A307 Washers
Carbon Steel A307 Fasteners Other Types
- ASTM A307 Carbon Steel Fastener
- Carbon Steel A307 Fasteners Price List
- Carbon Steel A307 Dome Washer
- CS A307 Fasteners
- Carbon Steel A307 Gr B Anchor Fasteners
- Grade B Carbon Steel Eye Bolts
- Carbon Steel A307 Industrial Fasteners
- Carbon Steel A307 Washers
- ASME SA307 Carbon Steel Fasteners
- Carbon Steel Grade C Socket Set Screw
- Carbon Steel A307 Stud Bolts
- Carbon Steel A307 Nut Bolt
- Carbon Steel A307 Carriage Bolts
- Carbon Steel A307 Heavy Hex Bolts
- Gr A Carbon Steel Square Nuts
- Carbon Steel A307 Grade B U Bolts
- ASTM A307 Carbon Steel Hex Head Bolt
- Carbon Steel Self Locking Nuts
- Carbon Steel Acorn Nuts
- Carbon Steel A307 Gr A Allen Cap Screw
- Carbon Steel A307 Flat Washers
- Carbon Steel A307 Ogee Washers
- Carbon Steel A307 Grade B Studs
- Carbon Steel A307 Threaded Rod
- Carbon Steel A307 Self Tapping Screw
- Carbon Steel A307 Spring Washer
- Grade A Carbon Steel A307 Plain Washer
- Carbon Steel A307 Heavy Hex Nuts
- Carbon Steel A307 Wing Nuts
- Carbon Steel Coupling Nuts
- Thick Carbon Steel A307 Washers
- Carbon Steel A307 Structural Bolts
Chemical Composition of Carbon Steel A307 Fasteners
| Element | Grade A | Grade B |
|---|---|---|
| Carbon, max | 0.29% | 0.29% |
| Manganese, max | 1.20% | 1.20% |
| Phosphorus, max | 0.04% | 0.04% |
| Sulfur, max | 0.15% | 0.05% |
Carbon Steel A307 Fasteners Mechanical Properties
| Grade | Tensile, ksi | Yield, min, ksi | Elong %, min |
|---|---|---|---|
| A | 60 min | -- | 18 |
| B | 60 - 100 | -- | 18 |
| C* | 58 - 80 | 36 | 23 |
Carbon Steel A307 Fasteners Price, Dimension, Weight Details
Countries & Cities we Export Carbon Steel A307 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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