| 相对切削加工性 | 0.2( D/ i. X+ H4 ^$ s
~0.4 | 0.2
/ n( z# e6 e J9 P- m% g~0.5 | 0.2" p# _. w0 |& l; s- y
~0.45 | 0.1
% h* c5 h: I6 b+ Q3 _; w~0.25 | 0.3# B I4 q# A8 l3 E( v* Z+ C: L
~0.4 | 0.5" s! s# z& |, h% `7 R0 H$ b
~0.6 | 0.57 i8 X4 Z1 Q/ C ]
~0.7 | 0.6
5 i. W6 a U" }8 K% u~0.8 | 0.15
' b6 ~4 ~" N5 e5 t~0.3 | 0.08% O# H* N; Q8 I. e3 `! K: n
~0.2 | 0.055 Y8 R$ @, @1 e0 _+ T: w/ G) ~$ [2 [
~0.15 | 0.255 C) x1 n! T' {' d& \
~0.38 |