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High precision and wide range in slotting
(1)there is no “matchhead” phenomenon for slot ends.
(2)Smooth slot surface:ra 1.6μm
(3)precision(mm):0.15~0.5 ±0.03
0.6~4.0 ±0.10
(4)process range:0.15-4.0
Strength of slotted tube and statistics of joint cavity’s flow velocity | |||||
Outer diameter | Steel grade | Crushing strength | Bending strength | Torsional strength | Tensile strength |
2 7/8 | J-55 | 38.674 | 2.232 | 14375 | 4.47×10^4 |
3 1/2 | J-55 | 34.784 | 2.0475 | 4995 | 5.678×10^4 |
5 1/2 | N-80 | 45.004 | 2.359 | 10500 | 1.797×10^5 |
7 | N-80 | 23.955 | 1.158 | 11650 | 2.611×10^4 |