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สหรัฐอเมริกา
ASTM
A702-22
Standard Specification for Steel Fence Posts, Hot Wrought
2022
3
ASTM Vol.01.05 (2023)
This specification covers steel fence posts and assemblies manufactured from hot-wrought sections and intended for use in field and line fencing. Line posts shall be fabricated from steels A or B and assemblies from steels A, B, or C. The cross sections of the line post shall be T, U, or Y sections. One item from each lot shall be selected at random for testing. A lot shall consist of all posts or assemblies or both, of the same length offered for delivery at the same time...