SA179 ST35.8 Non Alloy Mild Seamless Steel Tube Boiler Chemical Thick Wall Pipe
GB/T9711 is a Chinese standard for pipeline steel pipes
The standard divides steel pipes into two product levels, namely PSL 1 and PSL 2. PSL refers to Product Specification Level. PSL 1 steel pipes are commonly used for transporting petroleum and natural gas. PSL 2 steel pipes are used for more demanding applications such as offshore pipelines and sour service pipelines.
T45 Iron Mild SSAW Steel Pipe is a type of GB/T9711 PSL 1/PSL 2 steel pipe. It is a spiral submerged arc-welded (SSAW) steel pipe with a diameter range of 219-3040mm and a wall thickness of 5-25mm. The pipe is made from mild steel, which has low carbon content and is easy to form, weld, and machine. T45 Iron Mild SSAW Steel Pipe is widely used in the transportation of petroleum and natural gas, as well as in other industrial applications.
Chemical Composition
| Element | Composition (%) |
| C | 0.17 |
| Mn | 1.40 |
| Si | 0.40 |
| S | 0.035 |
| P | 0.035 |
Mechanical Properties
| Property | Value |
| Tensile strength | 450 MPa |
| Yield strength | 315 MPa |
| Elongation | 25% |
| Impact strength | 27 J at 0°C |
Steel Grade
The steel grade for T45 Iron Mild SSAW Steel Pipe is X52, which is a high-strength steel that is widely used in the oil and gas industry. X52 has a minimum yield strength of 52,000 psi and a minimum tensile strength of 66,000 psi. It is a popular choice for pipelines due to its excellent resistance to corrosion and its ability to withstand high pressure and extreme temperatures.
Applications
T45 Iron Mild SSAW Steel Pipe is used in various industrial applications such as:
Transportation of petroleum and natural gas
Construction of bridges, buildings, and other structures
Mining and drilling operations
Manufacturing of machinery and equipment
The pipe is suitable for use in both PSL 1 and PSL 2 applications, depending on the specific requirements of the project. The mechanical properties of the pipe ensure reliable performance and long service life in demanding environments.
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