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White Color Prepainted Galvanized Steel Coil 0.7mm Thick For Roofing Tile Metal
| Item | Galvanized Steel Gi Coils Sheet | |||
| Grade | 200 series,300 series,400 series | |||
| Standard | ASTM ,DIN , JIS,EN, BS,GB | |||
| Surface | Polishing,annealing,pickling,bright 2B,BA,NO.1,NO.4,NO.8,8K,mirror,brushed finish | |||
| Type | Hot rolled and cold rolled | |||
| Material | SPCC,SPCD,SPCE,SPCEN,ST12,ST13,ST14,ST15,ST16,DC01,DC03,DC04,DC05,DC06 | |||
| Size | width:20mm-1500mm lenth:Customer's Requirement thickness:0.21-0.50mm | |||
| Package | 3 layers of packing. Inside is craft paper, Middle is water plastic film and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve. | |||
Aplications | a) General service industries (petroleum, food, chemical,paper, fertilizer, b) fabric, aviation and nuclear) b) Fluid, gas and oil transport c) Pressure and heat transmission d) Construction and ornament e) Boiler heat vessels f) Water tank for solar energy | |||
Is rolling under recrystallization, but generally understood as the use of rolling materials at room temperature. Aluminum cold rolling is divided into plate rolling and foil rolling, the thickness of 0.15~ above is called plate, 0.15~ below is called foil. Europe and many use 3~6 continuous rolling mills as cold rolling equipment.
Due to no heating in the production process, there is no hot rolling often occur pitting and oxide iron defects, good surface quality, high finish. Moreover, the size precision of cold-rolled products is high, and the properties and structure of cold-rolled products can meet some special requirements, such as electromagnetic properties, deep drawing properties, etc.
Specification: thickness 0.2-4mm, width 600-2000mm, length of steel plate 1 200-6000mm.
Q195a-q235a, Q195AF-Q235AF, Q295A(B)-Q345 A(B); SPCC, SPCD, SPCE, ST12-15; DC01-06
Performance: mainly used low carbon steel, requires good cold bending and welding performance, as well as certain stamping performance.
Introduction of hot dip Galvanized Steel plate (silver white)
Hot rolled steel strip or cold rolled steel strip as the base plate, after continuous hot dip galvanizing process and production, can prevent the surface corrosion and rust of thin steel plate and steel strip.
Hot galvanized sheet supplied by cross cutting rectangular plate; The warp reel is supplied in the form of hot dip galvanized coil.
Because of the different substrate used, hot galvanized steel sheet can be divided into hot rolled galvanized sheet and cold rolled hot galvanized sheet, they are mainly used in construction, household appliances, automobiles, containers, transportation and household industries and other fields. Especially steel structure construction, automobile manufacturing, steel plate window manufacturing and other industries.
1, the characteristics of hot dip galvanized steel plate
Strong corrosion resistance, good surface quality, conducive to deep processing, economic and practical.
2. Classification and symbol of hot dip galvanized steel plate
According to the machining performance, it can be divided into: general purpose (PT), mechanical bite (JY), deep drawing (SC), ultra-deep drawing aging (CS), structure (JG);
According to the weight of zinc layer: pure zinc surface: 100/100 (zinc layer weight is less than 100g/m2),
120/120, 200/200, 275/275, 350/350, 450/450, 600/600;
Zinc-ferroalloy surface is divided into 90/90
(zinc-iron alloy layer weight less than 90g/m2), 100/100, 120/120, 180/180;
According to the surface structure, it is divided into: normal zinc flower Z, small zinc flower X, light whole zinc flower GZ, zinc iron alloy XT;
According to the surface quality, it was divided into: group I (I), group ⅱ (ⅱ);
According to the dimensional accuracy is divided into: advanced precision A, ordinary precision B;
According to the surface treatment is divided into: chromic acid passivation L, oiled Y, chromic acid passivation and oiled LY.
