Raw Material-The Manufacturing of Steel Tubular Poles
Describe:
For steel monopole, steel tube pole, and steel tubular tower, the production starts with high-strength hot-rolled steel plates or steel pipe conforming to national standard (GB/T 1591 Q355B/Q420B), European standard (EN 10025 S355J2), Japanese standard (JIS G3106 SM490A), and American standard (ASTM A572 Gr50/Gr65). Incoming materials undergo retesting of chemical composition (C, Mn, Si, P, S) and mechanical properties , ensuring full traceability and a reliable foundation for subsequent forming and welding.
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