Our corporate purpose is to gather industry advantages, create high-quality products, and serve customers. Our vision is to become a world-class astm a269 tube, cold rolled steel tube, UNS N08825 Nickel Alloy Tubes supplier. We have introduced new development strategies and insisted that we should actively explore new market spaces and seek competitive advantages in new business areas. In the future development, all employees of the company will continue to innovate and create a better tomorrow hand in hand with friends from all walks of life. We uphold the business philosophy of 'customer first, forge ahead' and the principle of 'customer first' to provide our customers with quality services.
Product Parameters
A691 Mild Steel Seamless Pipe
Material
A691 Low Carbon Steel Seamless Pipe is made of high-quality low-carbon steel. It is known for its excellent formability, weldability, and versatility, and is used in high-temperature and high-pressure fields, such as oil and gas transmission pipelines.
Specification
The A691 Mild Steel Seamless Pipe is manufactured according to the following specifications:
|
Specification |
Value |
|
Size Range |
1/2" to 24" |
|
Wall Thickness Range |
SCH 10 to SCH XXS |
|
Length |
Random or Fixed Length |
|
End Connections |
Plain End, Beveled End, Threaded |
|
Standards |
ASTM A691, ASME SA691 |
Chemical Composition
The chemical composition of the A691 Mild Steel Seamless Pipe is as follows:
|
Element |
Composition (%) |
|
Carbon (C) |
0.20 max |
|
Manganese (Mn) |
0.90-1.40 |
|
Phosphorus (P) |
0.025 max |
|
Sulfur (S) |
0.025 max |
|
Silicon (Si) |
0.15-0.50 |
|
Chromium (Cr) |
0.50-0.80 |
|
Molybdenum (Mo) |
0.45-0.65 |
Mechanical Properties
The A691 Mild Steel Seamless Pipe exhibits the following mechanical properties:
|
Property |
Value |
|
Tensile Strength |
60,000-85,000 psi |
|
Yield Strength |
35,000-60,000 psi |
|
Elongation |
20% min |
|
Hardness |
80 HRB max |
Physical Properties
The physical properties of the A691 Mild Steel Seamless Pipe are as follows:
|
Property |
Value |
|
Density |
7.85 g/cm³ |
|
Melting Point |
1420-1460°C |
|
Thermal Conductivity |
50.2 W/m·K |
|
Electrical Resistivity |
0.0000159 ohm·m |
Process Performance
The A691 Mild Steel Seamless Pipe is manufactured using the seamless process. This process involves heating a solid billet of mild steel and then piercing it to form a hollow tube. The seamless process ensures a uniform and defect-free pipe with excellent dimensional accuracy.
Application
The A691 Mild Steel Seamless Pipe is widely used in various industries for different applications. Some common applications include:
-
· Oil and gas industry
-
· Petrochemical industry
-
· Power plants
-
· Construction
-
· Water supply systems
-
· Structural engineering
-
Product Show
We uphold the concept of providing customers with value-added services. What is sold is not just a single product, but a excellent Seamless Welded Steel Tube / Carbon Mild Steel Pipe solution for customers, which brings real value enhancement to customers. We pay close attention to the quality of our products and actively respond to the needs of the market and customers. The products produced by our company are high value-added products, which are widely used in our country's industrial and civil facilities, and are widely used all over the world.
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