炉型 工件形状 w~@-9<^K]v
圆柱 板 薄管 z1!6%W_.
(d/D<1/4,l/D<20) 厚管 %ObD2)s6:^
(d/D≥1/4) !tHt,eJy
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 #2:a[
~Lf
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d %Z8vdU# l
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d CWO=0_>2
空气炉 K/min·mm-1 3.5 4 4 5 K+T .o6+
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d %o}(sShS
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d t +nRw?Z
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
