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ASTM A252 Gr 3 SSAW / LSAW Steel Pipe Piles for Deep Foundation, Bridge, Port & Offshore Wind Projects
| Material Standard | ASTM A252 Grade 3 |
| Yield Strength | ≥310 MPa |
| Dimensions / Size | Outer Diameter: 219 mm – 3000 mm (customizable) |
| Wall Thickness | 6 mm – 40 mm (customizable) |
| Length | Stock for 6 m & 12 m; Customized Length Available |
| Pipe Type / Welding | SSAW (Spiral Submerged Arc Welded) / LSAW (Longitudinal SAW / EFW) |
| Dimensional Tolerance | Conforms to ASTM A252 |
| Quality Certification | ISO 9001; SGS / BV Third-Party Inspection Report Available |
| Surface Finish | Black, Hot-Dip Galvanized, Painted, or Custom Coating |
| Applications | Building foundations, bridges, ports, marine & offshore wind farms, heavy civil engineering projects |
Technical Data
ASTM A252 Steel Pipe Piles Chemical Composition
| Element | Content (%) |
| Carbon (C) | 0.26 max |
| Manganese (Mn) | 0.85 – 1.60 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.05 max |
| Silicon (Si) | 0.10 – 0.35 |
| Copper (Cu) | 0.20 – 0.30 (optional for corrosion resistance) |
ASTM A252 Steel Pipe Piles Mechanical Property
| Property | Requirement / Value |
| Yield Strength (Min) | 207 MPa (30 ksi) |
| Tensile Strength | 345 – 455 MPa (50-66 ksi) |
| Elongation (in 200 mm) | ≥20 % |
| Impact Test (Charpy V-Notch) | Not mandatory for all sizes; optional for low-temperature or offshore projects |
| Hardness | Typical Brinell: 110–180 HB |
| Property | Grade 1 | Grade 2 | Grade 3 |
| Minimum Yield Strength | 30,000 psi (207 MPa) | 35,000 psi (241 MPa) | 45,000 psi (310 MPa) |
| Minimum Tensile Strength | 50,000 psi (345 MPa) | 60,000 psi (415 MPa) | 66,000 psi (455 MPa) |
| Minimum Elongation (2-inch gauge) | 18% | 14% | 20% |
ASTM A252 Steel Pipe Piles Sizes
| Common Export Specifications (Grade 3 Most Popular) | |||||
| NPS | OD (mm) | Wall Thickness | Weight (kg/m) | Typical Schedule | Primary Application |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | STD | Port terminals, general construction |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Offshore wind foundations, bridge piers |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Heavy industrial structures, deep foundations |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Large diameter piles, marine structures |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Ultra-heavy load applications, rock driving |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Offshore platforms, LNG terminal foundations |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Mega-projects, cross-sea bridges |
| Manufacturing Process vs. Size Capabilities | |||||
| Process | Max OD (mm) | Max WT (mm) | Length Range (m) | Cost Efficiency | Best For |
| SSAW (Spiral) | 3200 | 30 | 6-18 | Highest | Large diameter, medium wall thickness (16"-48") |
| LSAW (JCOE) | 1422 | 50 | 6-15 | High | Ultra-thick wall (≥1.0"), high strength requirements |
| ERW | 660 | 25 | 6-12 | Medium | Small to medium diameter, standard wall thickness |
| Seamless | 1016 | 100 | 6-12 | Lowest | Critical applications, corrosive environments |
Click the Button on The Right
1. Wall Bases: Basement wall foundations for high-rise, factory, warehouse, commercial or residential buildings. Pile foundation suitable for all types of building.
2. Bridge Pile Foundations: Load bearing foundations for highway, railway and urban viaduct bridges. Cane river, lacustrine, and maritime pile foundations.
3. Port Construction: Load-bearing foundations for port terminals, shipyards, and dock platforms. Heavy machinery and Port cargo handling equipment.
4. Marine Engineering and Offshore wind power Projects: Foundations for offshore wind turbines. Support Design for Offshore Platforms, Offshore Pipelines, Seawalls, etc. Tide resistance, wave resistance and marine corrosion resistance.
5. Large-Scale Civil Engineering, Large-diameter Piles: Large-scale civil engineering work (such as dams, underground stations, and tunnels) requiring deep foundations using large-diameter piles. Support for industrial and machine and structural loads.
1) Branch Office - Spanish-speaking support, customs clearance assistance, etc.
2) Over 5,000 tons of stock in stock, with a wide variety of sizes
3) Inspected by authoritative organizations such as CCIC, SGS, BV, and TUV, with standard seaworthy packaging
1. Packaging: Steel strappings for convenient handling. Wooden blocks or dunnage are inserted in between the stacks to protect them from damage during transportation. Surface treatment (optional): Black paint, rust oil, plastic film roll. Hot dip galvanized piles may also be covered with a protective film for the surface temporarily. We can also provide customized packaging.
2. Delivery: Normal stoke lengths: 6m, 12m. Custom length to suit your project. suitable for sea & rail & road transportation. Production lead time is usually 15-30 days after payment received,early delivery upon quantity and specification. Suitable for export all over the world with full documentation (inspection certificate, packing list, bill of lading).
Preventive Measures:
1. A crane or a forklift with slings or slingshoes should be used to avoid deformation of the pipe in the Handling Peoperties.
2. Keep cool, dry and ventilated place for storage, or rusting will occur before installation. For the large size/overweight parcels, please follow the local shipping regulation strictly.
1. What is the ASTM A252 Grade 3 steel pipe piles?
ASTM A252 grade 3 steel pipe piles are welded structural steel pipes for application as deep foundation support under buildings, bridges, ports, and offshore engineering. There are two welding processes for these pipes: helical submerged arc welding pipe (SSAW) or the longitudinal submerged arc welding pipe (LSAW/EFW).
2. What sizes and lengths are available?
Outer diameter: 219 mm - 3000 mm (XXL/large diameter size are available) Wall thickness: 6-40 mm. Standard stock lengths are 6 meters and 12 meters, and special lengths can be provided on request.
3. What are the material standards and mechanical properties?
Material Standard: ASTM A252 Grade 3
Yield Strength: ≥345 MPa
Tensile strength: 455~620 MPa
Elongation: ≥20%%
4. Can I get quality certification and inspection reports?
Yes all the steel pipe piles are ISO 9001 certified. All required documentation including third-party reports from the SGS, BV or other recognized body.
5. How are the steel pipe piles packaged?
Bundles the steel pipe piles with steel bandage and isolate by wood block without damage. Protective coatings/wrapping or/and above mentioned surface treatments are recomended according to the shipping packing. Customized packaging is available.
6. What is the delivery time?
Shipping time: 15-30 days after order confirmation (it depends on the quantity, specifications and destination).
7. Is it possible to custom sizes?
Yes, the diameter, wall thickness can be customized according to the clients specific requirements.
Contact Details
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service
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