| 摘要 |
Provided is a steel cord for reinforcing rubber articles which, when applied to a belt of a tire, can attain lightweight without reducing the durability of the tire, and in particular, to a steel cord for reinforcing rubber articles in which the properties of a treat after rubberizing are excellent and a pneumatic radial tire using the same. Also provided is a steel cord for reinforcing rubber articles comprising a core formed by arranging two core filaments 1 in parallel without being twisted together, and N (2 ‰¤ N ‰¤ 4) sheath filaments 2 which are twisted together around the core. Letting the diameter of the core filament 1 be d1 , and the diameter of the sheath filament 2 be d2, d1 > d2. |
