Those stacked in the open air shall be placed downward, i.e. the mouth shall face down to avoid water accumulation and rust. In addition, those stacked in the open air must have wood mats or stones under them. The stacking surface shall be slightly inclined to facilitate drainage. Pay attention to the straightness of the materials to prevent bending and deformation.

The stacking height shall not exceed 1.2m for manual operation, 1.5m for mechanical operation, and 2.5m for stacking width. And the bottom of the stack shall be padded up. If the warehouse is a Chaoyang cement floor, it can be padded up by 0.1M; If it is muddy ground, it must be padded 0.2-0.5m high. If it is an open site, the cement ground shall be 0.26M higher; 0.3-0.26m, 0.5-0.7m for sand and mud surface.

The principle requirement is that under the condition of stable stacking and ensuring safety, the materials shall be stacked according to varieties and specifications, and the materials of different varieties shall be stacked separately. In addition, it is forbidden to store articles that have corrosive effect on steel near the stacking position.

If placed in the floor. There must also be wooden mats or strip stone materials placed straight below to prevent bending and deformation. The materials shall be placed separately and neatly according to the specifications without affecting the construction of other processes.