ASTM A252标准规范

ASTM A252 standard covers nominal wall cylindrical steel 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.

Each welded pile shall be made by seamless, electric resistance welding, flash welding or fusion welding with longitudinal, helical-butt, or helical-lap seams.

单位长度值的大小和权重。

This standard is issued under the fixed designation A 252; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ュ) indicates an editorial change since the last revision or reapproval.

This specification has been approved for use by agencies of the Department of Defense. Consult the DoD Index of Specifications and Standards for specific year of issue which has been adopted by the Department of Defense.

Scope:

1. This specification covers nominal (average)wall steel pipe piles of cylindrical shape and applies to pipe in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in place concrete piles.
2. 以英寸磅单位规定的值应被视为标准。
3. 以下预防性警告仅与该规范的第16节有关。该标准并不旨在解决与使用相关的所有Safery问题（如果有的话）。该标准的用户的责任是在使用前建立监管限制的适用性。

JIS Number and Corrensponding Foreign Standards

ASTM A671 TABLE 1 Plate Specifications

ASTM A672表1板规格

ASTM A691表1板规格

ASTM A-252机械性能：

Applications: Pilings, Micro-piles, Namufacture, Bridge, Structure, Protective casing

A252 Grade 1, 2 & 3 Tubing

Our ASTM A252 piling pipes are widely used for tubular steel pipe piles, structural support piles, and cast-in-situ concrete piles.
We also offer carbon steel seamless pipes, black steel pipe and stainless steel tubes, coating steel pipes etc. Our high quality products are offered at competitive prices.

Specification Notes

• 根据ASTM A252，该规范生产的管的外径应具有+/- 1％变化。
• At the time of quote and order placement, please specify the end use of the tubing and how the tubing will be used so that it can be determined whether the submerged arc weld will be acceptable for the application.
• All other mechanical tubing sizes produced by Valmont up to 12.75" round and 6.00" square and rectangle are produced as electric resistance welded (ERW) tubing.

Chemical composition

Mechanical properties

TEST REQUIRED

Chemical Analysis, Mechanical Test, Visusal Inspection , Tensile Test, Dimension Check, NDT ,Impact Test