NEWS
26
2024
-
02
Innovative B7 threaded rod changes construction industry
2024-02-26
Author:
In a groundbreaking development designed to transform the construction industry, ASTM A193 Grade B7 threaded rod is the choice. B7 threaded rod is a high-strength bolt material manufactured in accordance with ASTM A193/A193M standards. Grade B7 represents the specific chemical composition and heat treatment process. This stud is mainly made of AISI4140 material. This type of raw material is known for its strength and wear resistance at high temperatures. B7 threaded rod can withstand extreme temperatures and pressures. Therefore, it is often used in the construction field, boilers, heat exchangers, oil refining equipment, and other fastening applications that require high pressure and high temperature environments. The mechanical properties of B7 studs include yield strength, tensile strength, elongation and impact value. For example, under normal conditions, the tensile strength of B7 threaded rod needs to meet the minimum requirement of 125KSI, and maintain good toughness and wear resistance within the specified temperature range.

One of the main advantages of the B7 threaded rod is its unparalleled strength. The threaded rod has high tensile strength and corrosion resistance and is able to withstand heavy loads and harsh environmental conditions, making it ideal for critical structural applications.
In addition, B7 threaded rods offer unparalleled versatility and are suitable for a variety of construction projects, from commercial buildings to industrial facilities. Its compatibility with different materials and components allows for flexible and efficient installation, saving time and resources for the construction team.
The introduction of the B7 threaded rod represents a significant advancement in the construction sector and promises to improve safety, efficiency and performance on projects of all sizes. Builders and contractors are eager to take advantage of the benefits of this innovative product to raise the standards of construction practice and achieve outstanding results.
A193 Mechanical Property Requirements
|
Grade |
Diameter, inch |
Minimum Tempering Temperature, °F |
Tensile Strength ksi |
Yield Strength, 0.2 % offset, ksi |
2 in Elongation % |
Reduction of Area, % |
Hardness, max |
|
|
min |
min |
min |
min |
Brinell |
Rockwell |
|||
|
B7 |
Up to 2-1/2 |
1100 |
125 |
105 |
16 |
50 |
321 HBW |
35 HRC |
|
Over 2-1/2 to 4 |
1100 |
115 |
95 |
16 |
50 |
321 HBW |
35 HRC |
|
|
Over 4 to 7 |
1100 |
100 |
75 |
18 |
50 |
321 HBW |
35 HRC |
|
A193 Chemical Composition Requirements (%)

A193 Recommended Accessories A193
|
Bolt Grade |
Nuts |
Washers |
|
B7 |
A194 Grade 2H |
F436 |
