Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most credible manufacturers and suppliers of seamless steel pipe piles in China. Please feel free to wholesale customized seamless steel pipe piles at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
Meterials and Manufacture
1.The piles shall be made by the seamless,electric resistance welded,flash welded,or fusion welded process.The seams of welded pipe piles shall be longitudinal,helical-butt,or helical-lap.
Tensile Requirements
1.The material shall conform to the requirements as to tensile properties prescribed in Tables 1 and 2.
2.The yield point shall be determined by the drop of the beam,by the halt in the gage of the testing machine,by the use of dividers,or by other approved methods,When a definite yield point is not exhibited,the yield strength corresponding to a permanent offset of 0.2% of the gage length of the specimen,or to a total extension of 0.5% of the gage length under load shall be determined.
Permissible Variations in Weights and Dimensions
1.Weight-----Each of pipe pile shall be weighed separately and its weighy shall not vary more than 15% over or 5% under its theoretical weight,calculated using its length and its weight per unit length[see Section 11].
2.Outside Diameter------The outside diameter of pipe piles shall not vary more than ±1% from the specified outside diameter.
3.Wall Thickness-----The wall thickness at any point shall not be more than 12.5% under the specified nominal wall thickness.
Ends
Pipe piles shall be furnished with plain ends.Unless otherwise specified,pipe piles shall have either flame-cut or machine-cut ends,with the burrs at the ends removed.Where ends are specified to be beveled,they shall be beveled to an angle of 30+5,-0 ℃,measured from a line drawn perpendicular to the axis of the pipe pile.
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