Select appropriate site and warehouse
(1) The site or warehouse where Jinan square tubes are stored should be in a clean and well drained place away from factories and mines that produce harmful gas or dust. Weeds and all sundries shall be removed from the site, and the square pipe shall be kept clean;
(2) It is not allowed to stack corrosive materials with acid, alkali, salt, cement, etc. in the warehouse. Square tubes of different varieties shall be stacked separately to prevent confusion and contact corrosion;
(3) Large materials, rails, steel plates, large-diameter square tubes, forgings, etc. can be stacked in the open air;
(4) Small and medium-sized profiles, wire rods, medium diameter square tubes, steel wires and wire ropes can be stored in well ventilated sheds, but must be covered with mats;
(5) Some small square tubes, steel sheets, steel strips, silicon steel sheets, small-diameter or thin-wall square tubes, all kinds of cold-rolled and cold drawn square tubes and metal products with high prices and easy corrosion can be stored in the warehouse;
(6) The warehouse shall be selected according to geographical conditions. Generally, common closed warehouses are used, that is, warehouses with roofs, walls, tight doors and windows, and ventilation devices;
(7) The warehouse is required to pay attention to ventilation in sunny days. Q345B square pipe shall be closed in rainy days to prevent moisture and always maintain a suitable storage environment.
Reasonable stacking, first in advance
(1) The principle of square tube stacking is to stack according to varieties and specifications when the stacking is stable and safe. Materials of different varieties shall be stacked separately to prevent confusion and mutual corrosion;
(2) It is forbidden to store corrosive articles in the other party's possession near the stacking position;
(3) The bottom of the stack shall be convex, firm and flat to prevent the materials from moisture or deformation;
(4) The same kind of materials shall be stacked according to the warehousing sequence to facilitate the implementation of the principle of "first in first out";
(5) For sections stacked in the open air, there must be wooden mats or strips under them. The stacking surface is slightly inclined to facilitate drainage. Pay attention to flattening to prevent bending and deformation;
(6) The stacking height of Jinan square pipe shall not exceed 1.2m for manual operation, 1.5m for mechanical operation, and 2.5m for stacking width;
(7) There should be a certain channel between the stacks. The inspection channel is generally 0.5m. The channel channel is generally 1.5 ~ 2.5m depending on the size of materials and transportation machinery Om；
(8) The bottom of the stack should be raised. If the warehouse is on the cement ground in the sun, it should be raised by 0.1M; If it is mud, it must be raised by 0.2 ~ 0.5m. If it is an open site, the cement ground shall be raised by 0.3 ~ 0.5m, and the sand and mud surface shall be raised by 0.5 ~ 0.5m ". 7m9 angle steel and channel steel shall be stacked in the open air, that is, the mouth shall face down, and the I-steel shall be placed vertically.
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