| Category | Cars |
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| Created | 2019-04-23 | ||||
| Owner | juniperqq | ||||
| Title | Precautions for the purchase of galvalume steel coils | ||||
| Description | Surface treatment of galvalume steel coil The surface treatment of the high quality galvalume steel coating steel coil can reduce the black rust on the surface of the coil during transportation and storage. The rust preventive oil applied is generally not used as rolling oil and stamping lubricant for subsequent processing. However, if the buyer does not take the initiative, the supplier will rarely take the initiative to deal with the surface of the galvalume steel coil. In this case, the surface of the galvalume steel coil is more likely to produce black rust and black spots, and the user should be cautious when selecting this treatment. Inspection and testing of galvalume steel coils The surface quality of the galvalume steel coil was visually inspected. The size and shape of the galvalume steel coil shall be measured with a suitable gage. The thickness measurement portion is any point not less than 20 mm from the side. Application of galvalume steel coil Buildings: roofs, walls, garages, soundproof walls, pipes and modular houses, etc. Automobile: exhaust pipe, wiper attachment, fuel tank, truck box, etc. Home appliances: refrigerator backboard, gas stove, air conditioner, electronic microwave oven, LCD frame, CRT tape, LED backlight, electrical cabinet, etc. Agricultural: pig houses, chicken houses, granaries, greenhouse pipes, etc. | ||||
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| Broken | No | ||||
| Price | |||||
| Promotion level | None | ||||
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