ASTM A252 ERW Steel Piling Pipes are high-performance structural components designed specifically for deep foundation engineering. Manufactured in strict compliance with the ASTM A252 standard specification, these cylindrical steel pipes serve as permanent load-bearing members or as shells for cast-in-place concrete piles. The ERW manufacturing process ensures precise dimensional control, superior weld integrity, and consistent mechanical properties, making them an ideal choice for modern construction projects requiring reliability and efficiency
Products Description
|
Product |
ASTM A252 ERW Steel Piling Pipes |
| Process | Electrical Resistance Weld |
| Production Stardard | ASTM A252 |
| Grade | Grade 1,2,3 |
| Size Range | OD 1/2"–26"(21.3–660mm), Thickness 0.055"–1.602"(1.65–26.97mm) |
| Pipe Length | 5.8m, 6m,12m,as requirement |
| Pipe Ends | Plain, Bevel |
| Surface Treatment | bare, black paint, anti-rust oil,galvanized |
| Application | Structure. Piling |
Manufacturing Process (ERW Technology)
Unlike spiral welded pipes, ERW pipes are formed by rolling steel plates into a cylinder and welding the longitudinal seam using high-frequency electric resistance. This process offers:
Smooth Surface Finish: Minimal external weld bead reduces friction during driving.
High Dimensional Accuracy: Tighter tolerances on outside diameter (±1%) and wall thickness ensure easier splicing and alignment.
Enhanced Structural Integrity: The longitudinal weld provides uniform strength distribution, crucial for withstanding heavy axial loads and bending moments.
Grade Options
Grade | Min. Yield Strength | Min. Tensile Strength | Typical Application |
Grade 1 | 30,000 psi (207 MPa) | 50,000 psi (345 MPa) | General purpose piling, light structures |
Grade 2 | 35,000 psi (241 MPa) | 60,000 psi (414 MPa) | Medium-duty foundations, retaining walls |
Grade 3 | 45,000 psi (310 MPa) | 66,000 psi (455 MPa) | Heavy-load bridges, high-rise buildings, marine structures |
Features & Advantages
Preciser Tolerance: Unlike seamless pipes, ERW pipes are produced from hot-rolled or cold-rolled steel strips, allowing for precise control over wall thickness and diameter tolerances.
Cost-Effectiveness: Provides an optimal balance of performance and affordability compared to seamless or specialty alloy pipes.
Durability and Strength: The ERW manufacturing process and carbon steel material yield a pipe with high tensile strength and good load-bearing capacity, ensuring long service life.
Ease of Installation and Fabrication: Lightweight yet robust, it is easy to transport, cut, weld, and install on-site, significantly reducing labor time and project costs.
Versatility: Available in multiple diameters, wall thicknesses, and can be customized in length and surface treatment, catering to specific project requirements.
Certifications
Quality control
* Hydrostatic Pressure Testing( if required)
* Non-Destructive Testing (Eddy Current, Ultrasonic)
* Chemical composition test
* Mechanical Property Testing
* Dimension & Visual Inspection
* Full Traceability (Mill Test Certificates 3.1 provided)
* Also accept third party inspection before shipment
Applications
ASTM A252 ERW pipe piles are versatile and widely used in:
Building Foundations: Supporting high-rise residential and commercial structures.
Bridge Construction: Providing deep foundation support for bridge piers and abutments.
Marine Structures: Docks, piers, and offshore platforms where corrosion-resistant coatings are applied.
Retaining Walls: Sheet pile walls for soil retention in excavation sites.
Industrial Facilities: Heavy machinery foundations and storage tank supports.
Welcome to inquire
Kevin
Tianjin shenzhoutong steel pipe co.,ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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