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1. 发明公开

EP3187616A1 FABRICATION METHOD OF STRIPS AND SHEETS MADE OF ZN-CU-TI ALLOYS DESIGNED FOR BUILDING INDUSTRY 审中-公开
标题翻译：用于建筑业的ZN-CU-TI合金制成的条带和片材的制造方法
公开(公告)号：EP3187616A1
公开(公告)日：2017-07-05
申请号：EP15460143.9
申请日：2015-12-31
申请人： ZM Silesia S.A.
发明人： Napiora, Tomasz , Pawlicha, Stanislaw , Knych, Tadeusz , Mamala, Andrzej , Osuch, Piotr , Walkowicz, Monika , Gradkiewicz, Lukasz , Sokol, Radoslaw
IPC分类号： C22F1/16 , C22C18/02
CPC分类号： C22F1/165
摘要： A fabrication method of flat-rolled products designed for building industry, made of Zn-Cu-Ti alloy with a chemical composition in accordance with EN-988 standard, composed of at least two basic steps - continuous casting process of metal strip and non-integrated rolling process of finished product in form of sheets, wherein after casting step the metal strip with a thickness from 4 mm to 16 mm and width from 500 mm to 2000 mm is heated up to a temperature ranging from 240°C to 270°C before starting the rolling operation and is being rolled in at least five roll passes until the finished product is obtained. The reduction ratios in the last four roll passes of the rolling process are > 40 % and
The Zn-Cu-Ti contains from 0,08 wt. % to 0,24 wt. % Cu, from 0,06 wt. % to 0,12 wt. % Ti, not more than 0,015 wt. % Al and rest Zn and tramp elements such as Cd, Fe, Pb and Sn.
The finished product is susceptible to plastic strain in low temperatures ≥ +10 °C.
摘要翻译：一种用于建筑行业的平轧产品的制造方法，由化学成分符合EN-988标准的Zn-Cu-Ti合金制成，至少由两个基本步骤组成 - 连续铸造金属带材和非金属带材，板材成品的整体轧制工艺，其中，在铸造步骤之后，将厚度为4mm至16mm且宽度为500mm至2000mm的金属带材加热至240℃至270℃的温度在开始轧制操作之前并且在至少五次轧制道次中进行轧制直到获得最终产品。轧制过程的最后四个轧制道次中的压下率大于40％且小于50％，并且轧制率不小于100mm / min。最后一次轧制后的板材温度至少为100°C（≥100°C）。 Zn-Cu-Ti含有0.08wt。％至0.24wt。％Cu，0.06wt。％至0.12wt。％Ti，不超过0.015wt。％Al，剩余的Zn和不定形元素如Cd，Fe，Pb和Sn。成品在≥+ 10°C的低温下易受塑性应变影响。

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