ASTM A194 Gr 2H Fasteners: High Quality and Versatility at ASC LLP
ASTM A194 Gr 2H Fasteners are high-strength carbon steel fasteners designed for industrial applications requiring superior mechanical properties and excellent performance under high pressure and high-temperature environments. These fasteners are commonly used in industries such as petrochemicals, oil and gas, and power generation where high durability and reliability are crucial.
What are ASTM A194 Carbon Steel Gr 2H Fasteners?
ASTM A194 Carbon Steel Gr 2H Fasteners are manufactured in accordance with the ASTM A194 standard, which specifies the requirements for carbon steel and alloy steel nuts and fasteners used in pressure vessels, piping, and flanges. Grade 2H fasteners are heat-treated, ensuring they provide exceptional strength and toughness, making them ideal for high-pressure and high-temperature applications.
The designation “Gr 2H” refers to Grade 2H, high-hardness carbon steel that undergoes quenching and tempering to achieve the desired mechanical properties. These fasteners are typically used in environments requiring high strength and resistance to stress corrosion cracking.
ASTM A194 Carbon Steel Gr 2H Fasteners Properties
ASTM A194 Carbon Steel Gr 2H Fasteners offer several key properties that make them highly sought after in the industrial sector:
- High Strength: Due to their heat treatment (quenching and tempering), these fasteners exhibit excellent tensile strength and yield strength, allowing them to withstand significant loads and high-stress environments.
- Temperature Resistance: Designed to perform at elevated temperatures, these fasteners are commonly used in high-temperature applications, such as boilers and pressure vessels.
- Pressure Tolerance: The strength and toughness of Gr 2H fasteners make them ideal for high-pressure applications. They are frequently used in the oil and gas industry, where extreme pressure conditions are common.
- Corrosion Resistance: While not inherently corrosion-resistant like stainless steel, A194 Carbon Steel Gr 2H Fasteners can be coated or treated to improve their resistance to rust and corrosion in harsh environments.
- Dimensional Accuracy: The manufacturing process ensures precise dimensional accuracy, which is critical for applications where tight tolerances are required for safety and performance.
- Durability: These fasteners are designed to offer long-term durability, even in challenging conditions, reducing the need for frequent replacements and maintenance.
Advantages of ASTM A194 Carbon Steel Gr 2H Fasteners
Using ASTM A194 Gr 2H Fasteners comes with several advantages, especially for industries where strength, reliability, and performance are crucial. Some of the key benefits include:
- Superior Strength and Toughness: ASTM A194 Gr 2H Carbon Steel Fasteners are designed to handle extremely high loads, making them ideal for applications in pressure vessels, piping systems, and other high-stress environments. The heat treatment process ensures these fasteners are both strong and tough, providing excellent performance even in demanding industrial applications.
- High Resistance to Mechanical Stress: These fasteners exhibit outstanding resistance to mechanical stress, including torque, tensile, and shear forces. This makes them suitable for use in industries like oil and gas, where components are subjected to extreme mechanical loads.
- Cost-Effective Solution: Compared to fasteners made from stainless steel or other high-alloy materials, Carbon Steel Gr 2H Fasteners ASTM A194 offer a more affordable solution without compromising on performance. This makes them an attractive choice for large-scale projects where cost efficiency is important.
- Versatility in Applications: The versatility of A194 Carbon Steel Gr 2H Fasteners allows them to be used in various applications, including power plants, refineries, chemical processing, and construction. Their high strength, pressure tolerance, and temperature resistance make them suitable for a wide range of industries.
- Customization Options: At ASC LLP, we offer customization options for our ASTM A194 Carbon Steel Gr 2H Fasteners. These fasteners can be coated or treated to enhance their corrosion resistance, making them suitable for even more demanding environments, such as marine or offshore applications.
Schedule and Size Chart
| Fastener Type | Size Range (Diameter) | Length Range |
| Hex Nuts | 1/4″ to 4″ | – |
| Heavy Hex Nuts | 1/4″ to 4″ | – |
| Stud Bolts | 1/2″ to 4″ | 2″ to 60″ |
| Washers | 1/4″ to 4″ | – |
| Hex Cap Screws | 1/4″ to 4″ | 1/2″ to 60″ |
Mechanical Properties Chart
| Property | Value |
| Hardness (Brinell) | 248 HB Max |
| Hardness (Rockwell C) | 99 HRB Max |
| Tensile Strength (Min) | 860 MPa (125,000 psi) |
| Yield Strength (Min) | 725 MPa (105,000 psi) |
| Elongation (Min) | 20% |
| Proof Load | 151,000 psi |
Chemical Composition Chart
| Element | Composition (%) |
| Carbon (C) | 0.40% Max |
| Manganese (Mn) | 1.65% Max |
| Phosphorus (P) | 0.040% Max |
| Sulfur (S) | 0.050% Max |
| Silicon (Si) | 0.15-0.35% |
| Other Elements | – |
Physical Properties Chart
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1425-1530°C |
| Thermal Conductivity | 54.4 W/m-K |
| Specific Heat Capacity | 0.486 J/g°C |
| Modulus of Elasticity | 200 GPa (29000 ksi) |
Physical Properties Chart
| Property | Value |
| Density | 2.71 g/cm³ |
| Melting Point | 645 – 655°C |
| Thermal Expansion | 24.0 µm/m-K (at 20-100°C) |
| Thermal Conductivity | 222 – 252 W/m-K |
| Electrical Conductivity | 55 – 62% IACS |
Application Chart
| Industry | Application |
| Oil & Gas | Used in drilling equipment, pipelines, flanges, and pressure vessels. |
| Petrochemical | Suitable for refineries and petrochemical plants under high pressure. |
| Power Generation | Employed in turbines, boilers, and heat exchangers. |
| Marine & Offshore | Used in shipbuilding and offshore platforms due to their durability. |
| Construction | Applied in heavy structural bolting in bridges and high-rise buildings. |
| Chemical Processing | Ideal for handling chemicals at elevated temperatures and pressures. |
Why Choose ASC LLP for ASTM A194 Gr 2H Fasteners?
- Certified Quality: All of our ASTM A194 Carbon Steel Gr 2H Fasteners are manufactured to meet or exceed ASTM standards, ensuring high quality and reliability.
- Global Supply Network: We have an extensive global network of suppliers and logistics partners, ensuring that our clients receive their fasteners on time, no matter where they are located.
- Customization: We offer a wide range of customization options, including coating, sizing, and threading, to meet the specific requirements of your project.
- Competitive Pricing: Our A194 Carbon Steel Gr 2H Fasteners are competitively priced, making us the ideal choice for bulk orders and long-term projects.
- Technical Support: Our team of experts is available to provide technical support and guidance, helping you select the right fasteners for your specific needs.
ASTM A194 Gr 2H Fasteners are an essential component for industries that require high-strength, durable, and reliable fasteners for high-pressure and high-temperature environments. Their excellent mechanical properties, including high tensile and yield strength, make them suitable for a wide range of industrial applications, from petrochemical plants to power generation facilities.
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 A194 Gr 2H 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.
