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ASTM A320 Gr. L7 Fasteners
ASTM A320 Grade L7 fasteners are specifically designed for use in low-temperature environments, making them indispensable in various industries, particularly in the petrochemical and natural gas sectors. These fasteners are crafted from high-strength alloy steel, ensuring they maintain their integrity and performance even under extreme conditions. Engineered to meet the stringent requirements outlined in the ASTM A320 specification, Grade L7 fasteners provide exceptional tensile strength and resistance to stress corrosion cracking. Their robust construction allows them to function effectively in challenging conditions, such as cryogenic processes and applications where temperatures can plummet significantly.
ASTM A193 Gr. L7M Stud Bolt, ASTM A193 Gr. L7M Bolt, ASTM A193 Gr. L7M Nuts, ASTM A320 Gr. L7 Fasteners Supplier and Manufacturer in Mumbai, India
These fasteners deliver the requisite strength to endure substantial loads, making them crucial for maintaining safety and functionality across diverse industrial applications. By utilizing Grade L7M fasteners, engineers and manufacturers can effectively meet the stringent demands of their projects, guaranteeing optimal performance even in the most challenging environments.
Available in various sizes and configurations, ASTM A320 Grade L7 fasteners offer versatility to accommodate different operational needs. Whether used in flanges, valves, or pressure vessels, these fasteners play a critical role in ensuring the safety and reliability of equipment. By choosing Grade L7 fasteners, industries can achieve enhanced performance and longevity, minimizing the risk of failure and ensuring operational efficiency even in the most demanding environments.
ASTM A320 Gr. L7 Fasteners Dimension Chart
| Size (inches) | Nominal Diameter (d) | Length (L) | Thread Pitch (TPI) | Wrench Size | Weight per 100 pcs (lbs) | Weight per 100 pcs (kg) |
|---|---|---|---|---|---|---|
| 1/4" | 0.250 | 1" to 12" | 20 | 7/16" | 1.8 | 0.82 |
| 5/16" | 0.312 | 1" to 12" | 18 | 1/2" | 3.6 | 1.63 |
| 3/8" | 0.375 | 1" to 12" | 16 | 9/16" | 5.6 | 2.54 |
| 7/16" | 0.438 | 1" to 12" | 13 | 5/8" | 9.1 | 4.13 |
| 1/2" | 0.500 | 1" to 12" | 13 | 3/4" | 12.5 | 5.67 |
| 5/8" | 0.625 | 1" to 12" | 11 | 7/8" | 22.0 | 9.98 |
| 3/4" | 0.750 | 1" to 12" | 10 | 1" | 31.0 | 14.06 |
| 7/8" | 0.875 | 1" to 12" | 9 | 1-1/8" | 42.0 | 19.05 |
| 1" | 1.000 | 1" to 12" | 8 | 1-1/4" | 55.0 | 24.95 |
| 1-1/8" | 1.125 | 1" to 12" | 7 | 1-3/8" | 70.0 | 31.75 |
| 1-1/4" | 1.250 | 1" to 12" | 7 | 1-1/2" | 85.0 | 38.56 |
| 1-1/2" | 1.500 | 1" to 12" | 6 | 1-3/4" | 115.0 | 52.16 |
ASTM A320 Gr. L7 Fasteners Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | Minimum 100 ksi (690 MPa) |
| Yield Strength | Minimum 75 ksi (517 MPa) |
| Elongation | Minimum 18% in 8 inches |
| Reduction of Area | Minimum 30% |
| Hardness | Maximum 22 HRC |
| Impact Toughness | Minimum 20 ft-lbs at -50°F (-45°C) |
| Modulus of Elasticity | Approximately 29,000 ksi (200 GPa) |
| Ductility | High |
