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01
ASTM A252 Standard Specification for Welded and Seamless Steel Pipe Piles
Ordering Information
Buyers should specify the following when ordering:
- Quantity (number of pipes or total length)
- Nominal size (outside diameter and wall thickness)
- Length (random or specific)
- Grade (see Section 4)
- End finish (plain, beveled, or special)
- Surface condition (bare or coated)
- Additional testing (if required, e.g., hydrostatic, nondestructive testing)
- ASTM designation and year of standard (e.g., ASTM A252-24).
Steel Grades
Three grades based on yield strength:
- Grade 1: Minimum yield strength = 30 ksi (205 MPa)
- Grade 2: Minimum yield strength = 35 ksi (240 MPa)
- Grade 3: Minimum yield strength = 45 ksi (310 MPa)
Note: Higher grades offer increased strength for demanding load conditions.
Manufacturing Process
- Seamless or welded (electric resistance welded, submerged arc welded, etc.).
- Welded pipes must meet specified weld quality standards.
Chemical Composition
- Carbon, manganese, phosphorus, sulfur, and other elements must comply with limits specified for each grade.
- Heat analysis is required; product analysis may be requested by the buyer.
Mechanical Properties
- Tensile and yield strength: As per grade requirements (Section 3).
- Elongation: Minimum percentages specified based on wall thickness.
Inspection and Testing Requirements
- Visual inspection: For surface defects, straightness, and workmanship.
- Dimensional checks: Outside diameter, wall thickness, and length.
- Mechanical tests: Tensile tests (one per lot or as agreed).
- Hydrostatic testing: Optional unless specified by the buyer.
- Nondestructive testing (NDT): Optional for weld seams if required.
Marking
Each pipe must be marked with:
- Manufacturer’s name or trademark.
- ASTM A252 grade.
- Nominal size.
- Heat number or identification.
Keywords
Steel pipe piles, foundation support, welded pipe, seamless pipe, structural piles.
Certification
Manufacturer must provide a test report confirming compliance.
Additional Notes
- Latest Version: Confirm the current version (e.g., ASTM A252-24) on the ASTM website.
- Conformance: Pipes must meet both ASTM A252 and any additional project specifications.
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