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Compared with the galvanized sheet surface - 2020年05月09日(土)
Compared with the galvanized sheet surface, the coating thicker, mainly for the corrosion resistance of the required pull gold pieces.Surface quality code:FA、FB、FC。Size, Shape Accuracy Code: Thickness: PT.25~..70×700×2000-GB2518-81.A - Normal Precision, PF..B - Advanced Precision; Roughness: PF.Example:Zinc coating 275g/m2, 275-JY-Z-Y-B-0. Surface treatment code: L-chromic acid passivation, Y-oiled, LY-chromic acid passivated plus oiled.
A- Normal Accuracy, PB.5mm,The sheet is pre-heated by a flame,Burn the residue of the surface,create an Iron oxide film on the surface,And then into the reduction annealing furnace containing H2, N2 mixed gas heated to 710 ~ 920 ℃, the iron oxide film is reduced to sponge iron, the surface activation and purification of the strip cooled to slightly higher than the temperature of molten zinc, into the 450 ~ 460 ℃ zinc pot, the use of air knife control zinc layer surface thickness.Suitable Grade:Zn100-PT、Zn200-SC、Zn275-JYStructure classification code:Z-regular spangle,Zinc flower obtained by crystallizing at normal cooling rate can be used for general purposes: X-Zinc flower: Cooling rate controlled specially, Zinc flower size smaller than normal Zinc flower, Suitable for painting and normal Zinc flower Other Occasion; GZ-finishing zinc flower: small Zinc after finishing, suitable for deep drawing and ultra-deep-punch processing and surface roughness requirements of the occasion.
B- Advanced Accuracy; Width: PW.Galvanized Steel CoilsWhat is the Continuous Galvanized Steel coil?Galvanized Steel Cupboard powder coating Company coil is short for Continuous Galvanized Steel coil which width between 0.B - Advanced Precision.A- Normal Accuracy, PL.3 Germany Galvanized Steel coilSuitable Grade:St01Z、St02Z、St03Z、St04Z、St05ZZinc coating:100、180、200、275、350、450Structure classification code:Z-Zinc flower, X-Zinc flower, G-light whole flower. Chromium solution was finally passivated to improve resistance to white rust.Processing performance code:PT-general purpose、JY-mechanical lock、SC-deep-draw、CS-super deep-draw、JY-structure。
Zinc coating number:Z100、Z200、Z275；Example:Zinc coating 275g/m2, 275-JY-Z-Y-B-0.A-Normal Accuracy, PT.Beautiful steel surface, a block or leaf-shaped crystal plating pattern, and the coating firm, with excellent atmospheric corrosion resistance, at the same time, the plate also has good welding performance and cold forming properties.B- Advanced Accuracy; Length: PL.2 Japan Galvanized Steel coilSuitable Grade:SGCC、SGCD1、SGCD2、SGCD3Zinc coating:Z12、Z18、Z20、Z22、Z25、Z27Place of origin:BAOSEN STEEL、Posco、Nippon Steel.70×700×2000-GB2518-81Place of origin:BAOSEN STEEL、Galvanized Steel CoiL. Marking: product name, product standard number, grade, zinc weight code, surface structure, surface quality, surface treatment, product specifications and dimensions, shape accuracy
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