... Pipe/steel pile/ pilling pipe /astm a252,gr.b steel pipe for ordinay structure structural/Piling pipe ASTM A252 ... 32mStandardAPI 5L, ASTM A252, EN10219, EN10217, ISO3183, GB/T9711, SY/T5037, SY/T5040, etc.Quality gradeFirst class, prime, newly produced, secondary ... , stock etc.Material/Steel gradeA, B, X42, X46, X52, X56, ...