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The ASTM A252 standard specifies the manufacturing requirements and chemical composition of LSAW steel pipes to ensure product reliability and quality. Typically made from hot-rolled steel plate, the steel tube is cold-formed into a cylindrical shape, and the welds are joined during the welding process using a technique known as "long seam welding," which provides high weld strength and integrity.
ASTM A252 LSAW steel pipe has the following advantages:
High strength: ASTM A252 LSAW steel pipe has been specially treated and welded, which has high strength and load-bearing capacity, and can run stably under heavy loads.
Corrosion resistance: The steel pipe is made of high-quality steel, and the outer layer of anti-corrosion treatment can be carried out according to specific needs, providing good corrosion resistance and prolonging the service life.
Accurate size: ASTM A252 LSAW steel pipe has high dimensional accuracy, which can meet the requirements of various projects and ensure the smooth progress of installation and connection.
Plasticity: The steel pipe can be bent and shaped as needed to meet different engineering needs.
Here is a parameter table for ASTM A252 LSAW (Longitudinal Submerged Arc Welded) steel pipes:
| Parameter | Description |
|--------------|----------------------------------------------------------|
| Standard | ASTM A252 |
| Pipe Type | Longitudinal Submerged Arc Welded (LSAW) |
| Steel Grade | Grade 1, Grade 2, Grade 3 |
| Manufacturing| LSAW welding process |
| Outer Diameter Range | 219.1mm - 3048mm |
| Wall Thickness Range | 6mm - 30mm |
| Chemical Composition | Carbon: 0.18%, Manganese: 1.00%, Phosphorus: 0.035%, Sulfur: 0.035% |
| Tensile Strength | Grade 1: 345 MPa, Grade 2: 415 MPa, Grade 3: 455 MPa |
| Yield Strength | Grade 1: 205 MPa, Grade 2: 240 MPa, Grade 3: 310 MPa |
| Elongation | Grade 1: 30%, Grade 2: 25%, Grade 3: 20% |
| Impact Toughness | Standard sample: Average minimum value at -20°C: Grade 1: 27 J, Grade 2: 20 J, Grade 3: 14 J |
| Weld Seam Quality | As per ASTM A252 standard |
| Surface Treatment | Black (unfinished), external coating available for corrosion protection as per requirement |
| Application | Construction, bridges, infrastructure projects, etc. |
Please note that the above parameters are for reference only. Actual parameters may vary depending on different manufacturers and product specifications. Always verify specific product specifications and performance with the relevant supplier before use.
ASTM A252 LSAW Steel Pipe is a reliable, high-strength steel pipe product suitable for a variety of construction and infrastructure projects under heavy loads and high pressure environments. The product has excellent mechanical properties and corrosion resistance, and is widely used in engineering practice.
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