ASTM A307 Carbon Steel Fasteners: The Perfect Blend of Strength and Lightweight
When it comes to securing components in construction and industrial applications, ASTM A307 Carbon Steel Fasteners are a popular choice due to their reliability and strength. This comprehensive guide will explore everything you need to know about A307 Carbon Steel Fasteners, including their properties, advantages, and applications, ensuring you understand why they are a preferred option for many industries.
What is ASTM A307 Carbon Steel Fasteners?
ASTM A307 Carbon Steel Fasteners refer to a set of specifications set forth by the American Society for Testing and Materials (ASTM) for carbon steel bolts, screws, and studs. This standard is primarily aimed at fasteners intended for use in general construction and structural applications. These fasteners are categorized into two grades:
- Grade A: This grade includes carbon steel bolts with a minimum yield strength of 36,000 psi. They are often used in general applications where high strength is not a critical factor.
- Grade B: This grade includes high-strength carbon steel bolts, typically used for applications requiring enhanced mechanical properties. They have a minimum yield strength of 60,000 psi.
ASTM A307 Carbon Steel X Fasteners are manufactured to meet rigorous standards, ensuring that they possess the necessary strength and durability for various applications.
Properties of ASTM A307 Carbon Steel Fasteners
The properties of Carbon Steel Fasteners ASTM A307 are pivotal in determining their suitability for various applications. Below are some key properties:
- Material Composition: A307 fasteners are primarily made from carbon steel, which offers good strength, ductility, and toughness. The material is typically heat-treated to enhance its mechanical properties.
- Strength: The yield strength for Grade A fasteners is 36,000 psi, while Grade B fasteners can achieve a yield strength of 60,000 psi. This makes them suitable for various load-bearing applications.
- Corrosion Resistance: Although carbon steel is susceptible to rust, A307 fasteners can be coated or galvanized to enhance corrosion resistance, making them suitable for outdoor and humid environments.
- Ductility: ASTM A307 fasteners exhibit good ductility, allowing them to deform under stress without fracturing. This property is essential in preventing fastener failure during loading conditions.
- Thermal Properties: Carbon steel fasteners can withstand a wide range of temperatures, making them suitable for use in various environmental conditions.
Advantages of ASTM A307 Carbon Steel Fasteners
Choosing A307 Carbon Steel Fasteners offers several advantages:
- Cost-Effectiveness: Compared to stainless steel and other high-performance alloys, ASTM A307 fasteners are generally more affordable, making them an economical choice for many projects.
- Versatility: The range of grades and sizes available for A307 fasteners makes them suitable for various applications, from light-duty to heavy-duty tasks.
- Easy Availability: ASTM A307 fasteners are widely available through numerous manufacturers and suppliers, ensuring that you can easily source the fasteners you need for your project.
- Reliable Performance: These fasteners have a proven track record in construction and industrial applications, providing reliable performance over time.
- Compatibility: A307 fasteners are compatible with many other materials, allowing for seamless integration into existing structures and systems.
Schedule and Size Chart
| Fastener Type | Size Range (inches) | Common Lengths (inches) | Thread Type |
| Bolts | 1/4″ to 1-1/2″ | 1″ to 12″ | UNC, UNF |
| Nuts | 1/4″ to 1-1/2″ | Standard Sizes | UNC, UNF |
| Studs | 1/4″ to 1-1/2″ | 1″ to 24″ | UNC, UNF |
| Screws | #6 to 1″ | 1″ to 6″ | UNC, UNF |
Mechanical Properties Chart
| Property | Grade A | Grade B |
| Minimum Yield Strength | 36,000 psi (248 MPa) | 60,000 psi (414 MPa) |
| Minimum Tensile Strength | 60,000 psi (414 MPa) | 100,000 psi (689 MPa) |
| Elongation (in 8 inches) | 20% | 16% |
| Hardness (Rockwell) | B80 to B90 | B85 to B95 |
Specifications Chart
| Specification | Details |
| Standard | ASTM A307 |
| Type | Carbon Steel Fasteners |
| Grades | A (Standard), B (High Strength) |
| Application | General construction and structural applications |
| Coating Options | Hot-dip galvanizing, zinc plating, black oxide |
Chemical Composition Chart
| Element | Percentage by Weight (%) |
| Carbon (C) | 0.25 – 0.40 |
| Manganese (Mn) | 0.60 – 0.90 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.05 |
| Iron (Fe) | Balance |
Physical Properties Chart
| Property | Value |
| Density | 0.283 lb/in³ (7.85 g/cm³) |
| Melting Point | 2,500°F (1,370°C) |
| Thermal Conductivity | 43 W/m·K |
| Electrical Conductivity | 10.4 x 10⁶ S/m |
| Modulus of Elasticity | 29,000,000 psi (200 GPa) |
Application Chart
| Application | Description |
| Construction | Used for securing structural components in buildings, bridges, and other infrastructures. |
| Manufacturing | Essential in machinery assembly and equipment construction, ensuring operational safety. |
| Automotive | Employed in various automotive components like chassis and engine parts. |
| General Repair | Ideal for general repairs and maintenance tasks due to their availability and cost-effectiveness. |
ASTM A307 Carbon Steel Fasteners Exporters and Suppliers
When looking for A307 Carbon Steel Fasteners exporters and suppliers, it’s essential to choose a reputable manufacturer that adheres to ASTM standards. At ASC LLP, we specialize in providing high-quality ASTM A307 fasteners tailored to meet the needs of our clients across various industries.
- Quality Assurance: Our fasteners meet or exceed ASTM A307 standards, ensuring you receive reliable products every time.
- Customization: We offer a range of sizes, grades, and coatings to suit your specific application requirements.
- Competitive Pricing: Our cost-effective pricing ensures you get high-quality products without breaking your budget.
- Timely Delivery: We understand the importance of timelines in construction and manufacturing, which is why we prioritize on-time delivery.
- Expert Support: Our team of experts is always available to assist you with any inquiries or technical support you may need.
In summary, ASTM A307 Carbon Steel Fasteners are an essential component in many industrial and construction applications. Their strength, affordability, and availability make them a reliable choice for securing components and structures. With numerous advantages and applications, it’s clear why A307 Carbon Steel Fasteners remain a preferred option in the market.
Global Reach
Amardeep Steel Centre boasts a robust global presence and is committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM A307 Carbon Steel Fasteners. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
