5. The ssaw steel pipe stacked in the open must have wooden mats or stones underneath, and the stacking surface should be slightly inclined to facilitate drainage, and pay attention to the flat and straight materials to prevent bending and deformation; 　　

6. The stacking height of ssaw steel pipe should not exceed 1.2m for manual work, 1.5m for mechanical work, and 2.5m for stack width; 　　

7. There should be a certain passage between the stack and the stack, the inspection channel is generally 0.5m, and the access channel depends on the size of the material and the transportation machinery, generally 1.5～2.0m; 

8. The angle steel and channel steel stacked in the open air should be laid down, that is, the mouth should be facing down, the I-beam should be placed upright, and the I-slot surface of the steel should not be facing up to avoid rusting due to accumulated water; 　

9. The bottom of the stack should be raised. If the warehouse is a sunny cement floor, the height of 0.1m should be enough; if it is a muddy floor, it should be raised by 0.2~0.5m. If it is an open field, the cement floor should be 0.3~0.5m high, and the sand-soil surface should be 0.5~0.7m high.

Changsha Xiangjia Metal Materical Co., Ltd. the Steel Pipe Division of ADTO GROUP, is one of the leading manufacturers of steel products in China. We specializes in manufacturing all kinds of steel pipe in various grades and sizes. Years of production experience and manufacturing facilities who have a capacity of 200,000 tons per annual will ensure the good quality and competitive duration of our products.