<![CDATA[EC21 Product Catalogs - m40.]]> <![CDATA[4340 Steel | 36CrNiMo4 | 1.6511 EN24 | 817M40 | SNCM439]]> <![CDATA[Alloy Steel Round Bar]]> <![CDATA[4140/42CrMo/SCM440 Steel Alloy Structural Steel Bar]]>