耐候鋼管概述：其特（tè）征在於：耐候鋼管的合金成分及重量（liàng）百分比含（hán）量為：C：0.12～0.21、Si：0.2～2.0、Mn：0.7～2.0、S ≤0.036、P≤0.034、Cu：0.10～0.40、Al<0.2，其餘為Fe和（hé）微量雜（zá）質。通過Cu、 Mn、Si、Al等合金化，並簡單（dān）調整普通低碳鋼(Q235鋼)的部分元素含量，在不需改變Q235鋼生（shēng）產工藝條件下（xià），就能生產出具有良好的耐大氣腐（fǔ）蝕性能、綜合機械性能的經濟耐候（hòu）鋼管。
Summary of Weatherproof Steel Pipe: Characteristic: The alloy composition and weight percentage content of weatherproof steel pipe are: C: 0.12-0.21, Si: 0.2-2.0, Mn: 0.7-2.0, S < 0.036, P < 0.034, Cu: 0.10-0.40, Al < 0.2, the rest are Fe and trace impurities. Through alloying of Cu, Mn, Si and Al, and simply adjusting the element content of common low carbon steel (Q235 steel), economic weatherproof steel pipes with good atmospheric corrosion resistance and comprehensive mechanical properties can be produced without changing the production process of Q235 steel.
