... America, Africa, and so on. . Steel Category: General purpose structural steel Steel standard: DIN17100 Steel grade: DIN17100 St 44-2, St 44 ... St 44-2, St 44-3U, St 44-3N steel has the proper tensile strength, good toughness, low effectiveness ... the tendency, plasticity, processing property, be rolled into steel plates, shaped steel and profile steel, which usually used to build workshop, bridge, ...