1. Introduction
In the world of heavy construction, the stability of a skyscraper or bridge begins with the reliability of its casing. As a premier 48 inch SSAW piling pipe supplier, we offer high-performance ASTM A252 Grade 3 1220mm pipe piles designed to anchor your projects in even the most challenging geological conditions. Our facility combines advanced production technology with direct factory price for 1220mm SSAW to deliver value without compromising quality.
2. Technical Excellence
Understanding the technical nuances is key to a successful foundation. Our large diameter spiral welded pipe specifications cover a wide range of wall thicknesses, ensuring that every heavy duty 1220mm structural steel pipe can withstand immense axial loads. For engineers performing precise site calculations, we provide clear data on SSAW pipe 1220mm x 16mm weight, facilitating more accurate logistics and installation planning.
3. Tailored Solutions
We recognize that every project site is unique. Beyond standard sizes, we specialize in 1220mm steel casing for bridge piers that require enhanced durability and precision. By offering custom length large diameter steel piles, we help our clients significantly reduce on-site welding time and labor costs. From coastal docks to urban infrastructure, our pipes are the unshakeable foundation of the modern world.
4. ASTM A252 Grade 3 1220mm (48") SSAW Piling Pipe Technical Datasheet
Technical Note: These specifications meet the rigorous standards for high-load bearing structures in bridge and skyscraper foundations.
5. Physical & Dimensional Specifications
| Item | Specification (Metric) | Specification (Imperial) |
| Outer Diameter | 1220 mm | 48 inch |
| Common Wall Thickness | 12.7 mm / 16 mm / 18 mm / 20 mm | 0.5" / 0.625" / 0.708" / 0.787" |
| Weight per Meter (1220x16mm) | 475.08 kg/m | 319.24 lb/ft |
| Standard Length | 12m, 18m, 24m (Custom up to 50m) | 40ft, 60ft, 80ft (Custom to 164ft) |
| Manufacturing Process | SSAW (Spiral Submerged Arc Weld) | Spiral submerged arc welding |
6. Mechanical Properties - ASTM A252 Grade 3
| Property | Requirement (Value) | Performance Benefit |
| Min. Yield Strength | 310 MPa (45,000 psi) | Resists deformation during high-impact driving. |
| Min. Tensile Strength | 455 MPa (66,000 psi) | Ensures maximum structural integrity under load. |
| Weld Seam Strength | 100% of Base Metal | Matches the strength of the pipe body. |
7. Quality Control & Testing
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NDT Testing: 100% Automatic Ultrasonic Testing (UT) + Supplementary X-Ray Inspection for pipe ends.
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Hydrostatic Test: Each pipe is tested to ensure zero leakage and structural stability under pressure.
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Dimensional Check: Strict tolerance control for Diameter (±0.5%) and Straightness (1mm/1m).
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Certification: Full MTC (Mill Test Certificate) according to EN 10204 3.1.
