爐型 工件形狀 BWUt{,? KU
圓柱 板 薄管 lwOf)jK: J
(d/D<1/4,l/D<20) 厚管 x _==Ss
(d/D≥1/4) mX&xn2}qZ"
鹽浴爐 K/min·mm-1 0.7 0.7 0.7 1.0 5VR.o!h3I
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d aDL)|> "Q
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d rH_Jh}Y
空氣爐 K/min·mm-1 3.5 4 4 5 yGiP[d|tRc
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d k6Ihc?HL
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d TMJ9~"IO
備 注 l/D值大取上限，否則取下限 H，l/B值大取上限，否則取下限 l/d值大取上限，否則取下限 l/d值大取上限，否則取下限
