炉型 工件形状 %rW}x[M%w?
圆柱 板 薄管 4>gfLK\R:
(d/D<1/4,l/D<20) 厚管 VeA@HC`?"
(d/D≥1/4) @ st>#]i4
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 S,&LH-ps
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d c#OxI*,+/
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d 42Z:J 0
空气炉 K/min·mm-1 3.5 4 4 5 ZbFD |~[ V
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d :@L7RZ`_
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d +IdM|4$\1
备 注 l/D值大取上限,否则取下限 H,l/B值大取上限,否则取下限 l/d值大取上限,否则取下限 l/d值大取上限,否则取下限