ASTM A252 GR.2 ERW Steel Piles Pipe
Standard: ASTM A252
Application of ASTM A252 ERW Steel Pipe:
Pipe ordered under this specification is for pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast –in-place concrete piles.
Manufacturing Process of pipe piles steel pipe:
By electric resistance welded
Details of ASTM A252 ERW Steel Pipe We can supply:
Manufacture: Carbon ERW Steel Pipe
Size: O.D.: 168～700mm W.T.: 2～20mm
Grade: Gr1, Gr2, Gr3
Length: 6M or specified length as required.
Ends: Plain End, Beveled End.
Chemical Composition of Seamless Steel Piles Pipe:
The steel shall contain no more than 0.050 % phosphorous.
Tolerance of outside diameter, wall thickness, length and weight:
Outside Diameter
The outside diameter of pipe piles shall not vary more than ±1% from the specified outside diameter.
Wall thickness
The wall thickness at any point shall not be more than 12.5% under the specified nominal wall thickness.
Lengths
Pipe piles shall be furnished in single random lengths, double random lengths, or in uniform lengths as specified in the purchase order, in accordance with the following limits:
a. Single random lengths 16 to 25ft (4.88 to 7.62mm), inch
b. Double random lengths Over 25ft (7.62m) with a minimum average of 35ft (10.67m)
c. Uniform lengths length as specified with a permissible variation of ±1 in.
Weight
Each length of pipe pile shall be weighed separately and its weight shall not vary more than 15% over or 5% under its theoretical weight, calculated using its length and its weight per unit length.
