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SSAW Welded Pile Pipes ASTM A252 GR.3 42"X25.4mm 19m length
Pipe piles are a type of driven steel pipe for deep foundations.Pipe piles are either open or closed end. If driven open end,soil is allowed to enter the bottom of the pile. If required, the soilcan be removed from inside the pipe with a water jet or auger.
Spiral weld pipe, as the name implies, is a steel pipe that has a seam running its entire length in a spiral form. In the past, due to the method of manufacture, spiral welded pipe was relegated to low pressure and structural applications.
ASTM/ASME A252/SA252 SSAW weled Piling Pipe
MECHANICAL PROPERTIES – TENSILE REQUIREMENTS
| Grade 1 | Grade 2 | Grade 3 | |
| Tensile Strength, min, psi | 50,000 | 60,000 | 66,000 |
| Yield Strength | 30,000 | 35,000 | 45,000 |
CHEMICAL REQUIREMENTS FOR A252
| Phosphorus | |
| Seamless and ERW Welded | Max% 0.050 |
Testing Requirements for seamless and welded A252 steel piling pipe
Tensile Test: Either longitudinal or transverse at option of manufacturer.
Hydrostatic Testing: Not specified.
Mechanical Tests:
Number of Tests: One tensile test per 200 lengths.
Permissible Variations for A252 steel piling pipe
Wall thickness: Not more than 12.5% under the nominal wall thickness specified.
Weights per foot: The weight of any individual length of pipe shall not vary more than 15% over or 5% under the weight specified. Each individual length shall be weighed separately.
Outside diameter: Shall not vary more than plus or minus 1% from the diameter specified.
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