石油套管 石油套管
st52相当于Q345B，或者16mn<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
化学成分如下：<o:p></o:p>Chemical compositionC <=0.20 Si <=0.55 Mn <=1.60 P <=0.030 S <=0.030 Cu <=0.55 N <=0.012Material Number1.0553Steel groupNon alloy quality steels: Steels with average C > 0,25 < 0,55 % or Rm > 500 < 700 N/mm²SymbolS355J0; St 52-3 U †StandardsDIN EN 10025-2 (04/2005)Hot rolled products of structural steels. Technical deliver…
约有 4666 项符合 的 结果，以下是第
4601
-
4610
项