Specification for high expansion heat-resisting steel bar and wire for the manufacture of bolts, studs, set screws and nuts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3) (limiting ruling section 50 mm)|Grain size, Wires, Chemical composition, Hardness, Fasteners, Heat treatment, Proof stress, Impact strength, Air transport engineering, Rupture stress, Remelting, Tensile strength, Steels, Bars (materials), Dimensions, Elongation, Heat-resistant materials, Threaded fasteners, Consumable electrodes