张力减径壁厚系数γ辨析

ANALYSES OF WALL THICKNESS RATIO γ OF PIPE UNDER STRETCH REDUCING

解析了张力减径壁厚系数γ=S/D和γ-2S/D的物理意义及应用条件,给出了平均壁厚系数表达式。

The writer analyzes in this paper the physical significance and application conditions in respect to the wall thickness ratio γ=S/D and γ=2S/D of pipes under stretch reducing, showing the average wall thickness ratio expression.