化學成分（％）C0.4200-0.5000MN0.5000-0.8000P≤0.0450s≤0.4000pb0.1500-0.3000

　　C45PB板可以稱為C45PB鋼板，C45PB鋼板，C45PB滾動板，C45PB開放式平板電腦，C45PB帶鋼，C45PB冷卷板，C45PB熱卷板，C45PB薄板，C45PB薄板，C45PB厚板，C45PB特別厚的厚底板，等等。本質

　　鋼，C45pb圓形滾動，C45pb冷拉圓鋼等。

　　C45PB管道可稱為C45pb鋼管，C45pb鋼管，C45PB不銹鋼無縫管，C45PB無縫管，C45PB鋼焊接管，C45PB焊接管，C45PB精密管，C45PB精密管道，C45PB毛細管管道等。