Structural Steel - S235, S275, S355 Chemical Composition en s355 angle iron specification
May 11, 2012 · In Europe, structural steel must comply with the European Standard EN 10025, which is governed by the European Committee for Iron and Steel Standardization (ECISS), a subset of the European Committee for Standardization (CEN). There are many examples of European grades of structural steel for example, S195, S235, S275, S355, S420, and S460.
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tianjin q195 q235 25x25 rectangular steel pipe