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MANUFACTURING METHOD OF HIGH-STRENGTH ALLOY GALVANIZED STEEL SHEET AND THE HIGH-STRENGTH ALLOY GALVANIZED STEEL SHEET MANUFACTURED THEREBY, CAPABLE OF PERFORMING FLASH PICKLING PROCESS
MANUFACTURING METHOD OF HIGH-STRENGTH ALLOY GALVANIZED STEEL SHEET AND THE HIGH-STRENGTH ALLOY GALVANIZED STEEL SHEET MANUFACTURED THEREBY, CAPABLE OF PERFORMING FLASH PICKLING PROCESS
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机译:高强度合金镀锌钢板的制造方法及其制造的可进行酸洗工艺的高强度合金镀锌钢板
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摘要
PURPOSE: A manufacturing method of a high-strength alloy galvanized steel sheet and the high-strength alloy galvanized steel sheet manufactured thereby are provided to produce the high-strength alloy galvanized steel sheet having good mechanical property and powdering resistance.;CONSTITUTION: A manufacturing method of a high-strength alloy galvanized steel sheet includes a step for manufacturing a melting zinc plated steel sheet including plating component such as Si and Mn etc. A pickling solution includes HCL of 10~20%. The temperature of the pickling solution is 25~90°C in a pre-processing flash pickling process. The hydrogen concentration of an annealing process is 5~10%. A dew point temperature of the annealing process is -30 ~ -50°C.;COPYRIGHT KIPO 2010
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