ERW steel pipe storage method

ERW steel pipe storage method

1, select suitable sites and warehouses

(1) keeping area or warehouse of steel tube, should choose the place clean, smooth drainage, away from the factories produce harmful gases or dust. Present to remove weeds and all the stuff on the ground, keep clean steel

(2) shall be in the warehouse and the acid, alkali, salt, cement on the steel pipe has a corrosive materials piled up together. Different varieties of steel pipe shall be piled to prevent confusion, to prevent contact corrosion

(3) a large steel, steel, steel plates, shame of large diameter steel pipe, forgings, etc. Can open piled up

(4) small and medium caliber in steel, wire rod, steel, steel pipe, steel wire and the wire rope and so on, can be in a well-ventilated heat storage material, but it must be on Shan under the mat

(5) some small steel pipe, steel sheet, steel belt, silicon steel sheet, small or thin wall steel tube, all kinds of cold rolled, cold drawn steel tube and the price is high, easy to corrosion of metal products, can deposit into the Treasury

(6) warehouse should be selected according to the geographical conditions, generally USES ordinary closed warehouse, namely the roof walls, doors and Windows, a ventilation device warehouse

(7) to the attention of the sunny day ventilated warehouse, rainy days notice closed moistureproof, often keep appropriate storage environment

2, the reasonable stacking, first in first

Are (1) the principle of stacking requirements under the condition of the pallet solid, ensure safety, do pallet according to the varieties, specifications, variety of materials to pallet, respectively, to prevent confusion and corrosion

(2) the ban on crib near a store for steel pipe corrosion effects

(3) the bottom of the crib pads should be tall, strong, smooth, prevent the material to be affected with damp be affected with damp or deformation

(4) the same material in warehouse stacking respectively, to implement the principle of advanced starts

(5) the open-air stacking section, the following must be wood or stone, crib face slightly tilted, and to facilitate drainage, and pay attention to material placed flat, prevent caused by bending deformation

(6) the stacking height, artificial homework no more than 1.2 m, mechanical work no more than 1.5 m, crib is not more than 2.5 m wide

(7) between pile and pile should have certain channels, check way for o. commonly 5 m, access depending on the material size and transport machinery, general is 1.5 ~ 2. Om

(8) pile bottom cushion is high, if the warehouse to the cement ground in chaoyang, higher o. 1 m; If for mud, pad high o. 2 ~ 0.5 m. If the open area, cement floor mat tall 3 ~ o. o. 5 m, sand and mud surface mat high 0.5 ~ o. 7 m

(9) the Angle steel and channel steel should be deposited in the open air, over the mouth down, beams should be made to put, the steel tube groove face I can't up, to avoid water accumulation of rust

3, protect material packaging and protective coating preservative or other steel mills before they leave the factory after plating and packaging, this is one of the important measures to prevent rusting material, must pay attention to protect, in the process of handling and not damaged, can prolong the duration of material

4, keep the warehouse clean, strengthen material maintenance

(1) the material in front of the library should pay attention to prevent rain or mixed with impurities, the materials have been in the rain or stain on according to its nature USES different methods to wipe, such as high hardness of steel wire brush are available, and the lower hardness of cloth, cotton, etc

(2) the material storage to check after, if there are any corrosion, rust layer shall be removed

(3) general steel tube surface clear, after the net without oil, but for high quality steel, alloy steel sheet, thin wall pipe, alloy steel, etc., after cleaning the inside and outside surface must be coated rust-proof oil before storage

(4) of severe corrosion of steel tube, after the cleaning is unfavorable and long-term preservation, should use as soon as possible

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