阅读说明：本技术 铸造方法 (Casting method ) 是由 A·哈肯森 R·莱达尔 B·E·吉林根 K·O·特韦托 J·E·哈夫萨斯 K·埃林森 Q 于 2019-01-21 设计创作，主要内容包括：描述了铸造方法,包括a.)以米(m)为单位确定待铸造的产品横截面的直径(D),b.)以米/秒(m/s)为单位测定使用直接冷硬铸造待铸造的产品的预期稳态铸造速度(V),c.)对于待用于铸造该铸造产品的熔体而言基于熔体总重量以重量百分比(重量％)为单位确定Si含量(cSi),其中确定预期直径(D)、预期稳态铸造速度(V)和预期Si含量(cSi)使得满足公式(I)V*D≤0.00057–0.0017*cSi和(II)V*D≥0.00047–0.0017*cSi和(III)cSi≤0,d.)制备熔体,其包含Zn:5.30至5.9重量％、Mg:2.07至3.3重量％、Cu:1.2至1.45重量％、Fe:0至0.5重量％、Si:根据cSi、杂质至多每种0.2重量％和总计0.5重量％,和余量为铝,e.)使用直接冷硬铸造将熔体铸造为具有预期直径(D)的铸造产品,其中使用预期稳态铸造速度进行铸造。(A casting method is described, comprising a.) determining the diameter (D) of the cross section of the product to be cast in meters (m), b.) determining the expected steady-state casting speed (V) of the product to be cast using direct chill casting in meters per second (m/s), c.) determining the Si content (cSi) in weight percent (wt%) based on the total weight of the melt for the cast product, wherein the expected diameter (D), the expected steady-state casting speed (V) and the expected Si content (cSi) are determined such that the formula (I) V D ≦ 0.00057-0.0017 cSi and (II) V D ≧ 0.00047-0.0017 cSi and (III) cSi ≦ 0, D.) is satisfied to produce a melt comprising Zn 5.30 to 5.9 wt%, Mg 2.07 to 3.3 wt%, Cu 1.2 to 1.45 wt%, Fe 0 to 0.5 wt%, Si 0 to 5.5 wt% in terms of Si, based on the total weight of the melt to be used for casting the product, and, Up to 0.2 wt% each and 0.5 wt% total of impurities, and balance aluminum, e.) casting the melt using direct chill casting into a cast product having a desired diameter (D), wherein the casting is performed using a desired steady state casting speed.)