All seamless steel tubes used for exportation are in accordance with ASTM standard or API 5l, like ASTM A53 hot dip galvanized or
black seamless steel tubes and ASTM A10 seamless steel tubes for high temperature service. The commonly used seamless tubes
includes ASTM A53-B, A106-B, A315-B, A210-A1, A179-C, A192, DIN2448 ST37, A53-A, A106-A, A135-A, A210-C, A214-C seamless steeltubes, A226 and so on.
black seamless steel tubes and ASTM A10 seamless steel tubes for high temperature service. The commonly used seamless tubes
includes ASTM A53-B, A106-B, A315-B, A210-A1, A179-C, A192, DIN2448 ST37, A53-A, A106-A, A135-A, A210-C, A214-C seamless steeltubes, A226 and so on.