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    • 1. 发明公开
    • 용융 Sn계 도금강판
    • 冶炼锡涂层钢板
    • KR1020000011615A
    • 2000-02-25
    • KR1019990027747
    • 1999-07-09
    • 신닛테츠스미킨 카부시키카이샤
    • 마키준이자키데루아키후다마사히로오카다노부요시스기야마세이지이리카와히데아키오미히로시사토히사아키
    • C23C2/08
    • C23C2/08C22C13/00
    • PURPOSE: A steel plate useful as an automobile fuel tank is provided which has a good workability, corrosion resistance and electromagnetic wave blocking property not using Pb. CONSTITUTION: The Sn coated steel plate having 0.1- 8 m ohm of contact resistance value between electrodes, more than 0.2 of effective thermal ratio, less than 2 micrometer of surface roughness, less than 2 g/square meter of resin coating is prepared. The steel plate has a first layer comprising an intermetallic compound containing Sn and nonmetallic alloy such as Ni and Co, and second layer coated with more than 80 % of Sn on the first layer. Thus, a steel containing 0.0030 weight % of C, 0.09 weight % of Si, 0.30 weight % of Mn, 0.008 weight % of P, 0.012 weight % of S, 0.082 weight % of Ti, 0.002 weight % of Nb, 0.05 weight % of AL, 0.002 weight % of B and 0.0033 weight % of N is melted with degasification to give 0.8 mm of steel plate by thermal drawing, cold drawing and annealing. 1 g/square Meter of Ni is coated on the steel plate, followed by deposition of Sn-Zn by a flux method.
    • 目的:提供用作汽车燃料箱的钢板,其具有良好的可加工性,耐腐蚀性和不使用Pb的电磁波阻隔性能。 构成:制备电极之间具有0.1-8m欧姆接触电阻值的Sn涂层钢板,有效热比大于0.2,表面粗糙度小于2微米,树脂涂层小于2g /平方米。 钢板具有包含Sn的金属间化合物和Ni,Co等非金属合金的第一层,在第一层上涂覆有超过80%的Sn的第二层。 因此,含有0.0030重量%的C,0.09重量%的Si,0.30重量%的Mn,0.008重量%的P,0.012重量%的S,0.082重量%的Ti,0.002重量%的Nb,0.05重量% 的AL,0.002重量%的B和0.0033重量%的N通过脱气熔融,通过热拉伸,冷拉伸和退火得到0.8mm的钢板。 1克/平方米的Ni表面涂覆在钢板上,然后通过助熔剂沉积Sn-Zn。