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Seamless steel pipes must be tested for mechanical properties. Seamless steel pipes are widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames, and steel scaffolding used in construction. Steel pipes are used t
API 5L seamless steel pipe is pipeline steel seamless steel pipe-API 5L pipeline steel seamless steel pipe, seamless steel pipe pipeline steel material: GR.B, X42, X46, 52, X56, X60, X65, X70. Line pipes are used to transport the oil, steam, and water extracted from the ground to the petroleum and n