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precision seamless steel tube standard
8*2 | 27*2-3-4 | 50*2-2.5-3-4 |
10*2.5 | 28*2-2.5-3-3.5-4 | 51*2-3-4 |
16*2-2.5-3 | 29*2-3-4 | 55*2-3-4-6 |
17*2-2.5-3 | 35*2-2.5-3-3.5-4 | 59*2-3-4-6 |
18*2-2.5-3 | 36*2-2.5-3-4 | 60*2-3-4-6 |
19*2-2.5-3-3.5 | 38*2-2.5-3-3.5 | 72*2-3-4-6 |
20*2-2.5-3 | 40*2-3-4-5 | 80*2-3-4-6-8 |
21*2-3-4 | 45*2-3-4-6 | 81*2-4-6-8-12 |
22*2-3-4 | 48*2-3-4 | 85*4-6-8-12 |
Small precision seamless steel tube