铁道及电车道铺轨用钢铁材料（钢轨、护轨、齿轨、道岔尖轨、辙叉、尖轨拉杆及其他叉道段体、轨枕、鱼尾板、轨座、轨座楔、钢轨垫板、钢轨夹、底板、固定板及其他专门用于连接或加固路轨的材料）HS编码 7302

Railway or tramway track constructions of iron or steel; rails, check and track rails, switch blades, crossing frogs, point rods, sleepers, fish-plates, chair wedges, sole plates, bedplates, ties and the like