Fasteners are one of the most significant components in various industries, contributing significantly to the efficiency and safety of machines and equipment. Two popular fastener types globally recognized for reliability and durability are ASTM A320 L7 and ASTM A194 L7. ASTM A320 L7 Fasteners are essential in piping, chemical, and petroleum industries. This alloy is carefully engineered to help higher pressure and temperature ratings withstand high temperatures in extreme environments, improving such industries' safety. A320 L7 fasteners come in various shapes and sizes, including studs, bolts, nuts, washers, and screws, making them a go-to-fastener option for many professionals.
Regarding ASTM
A194 L7 Fasteners , this alloy type is designed
primarily to withstand high-pressure environments. As a result, they are a
common fastener in the oil, gas, and chemical industries. A194 L7 fasteners
are known for their anti-corrosive properties and are compatible with a wide
range of high-temperature applications. These fasteners come in different
shapes and sizes, including nuts, bolts, washers, and studs.
The benefits of using ASTM A320 L7 Fasteners are numerous
and varied. One of the significant advantages of A320 L7 fasteners is their
high strength, which makes them the perfect option for environments with
high-pressure or high-temperature ratings. The other crucial benefit is
their compatibility with extreme environments, which makes them ideal for
use in various industries.
Another benefit of the ASTM A194 L7 Fasteners
is that they are exceptionally corrosion-resistant. This attribute is
incredibly important as certain industries, especially marine and chemical,
work in harsh environments with high exposure to saltwater and gasses. Their
excellent strength properties make these fasteners a wise choice for
manufacturing equipment under high-stress conditions.
The traditional fasteners are handy, ensuring resilience and security on the
structures they hold. Our excellent quality products are widely used in
high-end industrial and engineering projects. Our ASTM A320 Grade L7 high
tensile fasteners offer many excellent features, such as precise design,
smooth performance, longer service life, robustness, accurate size, and
corrosion-proof. We are offering premium quality ASTM A194 -7 Nuts and
Washers in different sizes and dimensions as per our clients' demanded
features and specifications.
ASTM A320 Gr. L7 / A194 - 7 Bolt
ASTM A320 Gr. L7 / A194 - 7 Nuts
ASTM A320 Gr. L7 / A194 - 7 Stud Bolt
ASTM A320 Gr. L7 / A194 - 7 Washer
| Grade | C | Si | Mn | P | S | Cr | Mo | Al |
| Grade L7/L7M |
0,38 | 0,15 | 0,75 | - | - | 0,80 | 0,15 | 0,020 |
| 0,48 | 0,35 | 1,00 | 0,035 | 0,040 | 1,10 | 0,25 | 0,050 |
| Specification | Marking | Nom. Size, In. | Tempering Temp. °F | Proof Load Stress | Hardness | |
| A194 Grd 7 | 7 | 1/4 - 4 | 1100 | 175 / 150 | C24 / B159 | C38 / B237 |
The heat treatment process for ASTM A194 Alloy Steel Grade 7 Fasteners involves heating the fasteners to a temperature between 975 & 1050°C, followed by quenching in water or oil. This is then followed by tempering at a temperature between 540 and 650°C.
ASTM A194 Alloy Steel Grade 7 Fasteners are commonly used in high-pressure & high-temperature applications, such as in the petrochemical & power generation industries. They are also suitable for use in high-stress applications.
The heat treatment process for ASTM A194 Alloy Steel Grade 7 Fasteners involves heating the fasteners to a temperature between 975 & 1050°C, followed by quenching in water or oil. This is then followed by tempering at a temperature between 540 and 650°C.