EN10305-1E355 Steel Tubes for Precision Applications grade:E235, E275, E315, E355 E410 Size: OD (6-610MM) x WT ( ... DescriptionStandard: EN 10305-1 or DIN 2391 Steel grade: E215, E235, E355, E255, E410 Size: OD (4-190mm) x WT (0 ... .1≤0,05<0.70≤0,025≤0,0250,025--E235≤0,17≤0,17<1,20≤0,025≤0,025 ...