Based on the fact that the skew roll groove width is same in rolling steel sashes of 3205 series, a metal transfer formula was deduced between leg and web during plastic deformation.

• 本文以轧制3205型窗框钢孔型设计中各斜轧孔型宽度相等为例,从金属不均匀变形出发,根据体积不变定律推导出计算变形过程中腰部与各腿部之间金属体积的转移公式。