Assertion: radial tire's cord | /r/HasAspect | tenacity
Facets:
Source sentences:
text: Such object of the invention is attained according to the present invention by providing a heavy duty radial tire which is of the structure having at least two belt layers comprising steel cords, including at least a pair of belt layers with steel cords in one belt layer crossing those in the other belt layer, interposed between a tread and at least one carcass layer having carcass cords arranged substantially at right angles to the circumferential direction of the tire, and in which an outermost belt layer disposed most closely to the tread is composed of a steel cord of 2+7 structure made of an element wire having a carbon content of 0.77 to 0.92% by weight and a diameter d of 0.28 to 0.40 mm, said cord having a tenacity at break of (1700˜2050)d1.872 (kgf/cord), a ratio of an elongation at break ε to a P.L.E., ε/P.L.E., of at least 30, and a coat rubber having a 50% modulus of 10 to 40 kg/cm2, the outermost belt layer having a thickness of at least 1.67 times the minor diameter but at greatest 1.79 times the major diameter, of the steel cord in the outermost belt layer.