I???????? ?????????????????????????????????????????????????????????????????????????????á?
II??????? ????????????????????á?V??????????1Cr18Ni9Ti???θ?????????????????????????????????????????????????????????????????????????????н?????????????????????Σ?????????????????????Ч??????????????е??????????*??Ч?????????
III??????????
1. ??????
?????
??mm?? |
??? |
?????? |
???? |
??(mm) |
???(mm) |
(mm) |
in |
60 |
75 |
63 |
60.3 |
2 3/8 |
2 3/8TBG |
73 |
87 |
74 |
73 |
2 7/8 |
2 7/8TBG |
89 |
102 |
92 |
88.9 |
3 1/2 |
3 1/2TBG |
114 |
126 |
116 |
114.3 |
4 1/2 |
4 1/2TBG |
140 |
154 |
142 |
139.7 |
5 1/2 |
5 1/2TBG |
219 |
232 |
220 |
219.1 |
8 5/8 |
8 5/8 TBG |
2. ?????(???)??????£?????λ??mm??
0.1 0.15 0.20 0.25 0.30 0.35
0.40 0.45 0.50 0.75 1.00 1.25
3. ??????????£?????λ??mm??
1000 1200 2000 4000 6000
IV????????
??????? ????????? ??????? |