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A691 Mild Steel Seamless Pipe
Material
The A691 Mild Steel Seamless Pipe is made from high-quality mild steel. Mild steel is a low carbon steel that contains a small amount of carbon (up to 0.25%). It is known for its excellent formability, weldability, and versatility.
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
We always insist on "survive by quality, promote development by integrity" and strive to create "integrity Alloy Steel Pipe, ASTM A335/ASME SA 335 P22, Seamless Pipe, Smls Pipe". Wish we work together to create brilliance, as long as you call, we will do the rest! In the face of fierce market competition, we always rely on innovation to achieve steady and rapid development, and win the market with differentiated and high-value products. As a supplier with a wealth of experience, we sincerely welcome new and old customers at home and abroad to discuss cooperation with our company and develop our ambitions together.
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