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Cold drawn precise steel tube

Cold drawn precise steel tube
company Yangzhou Yinhe Machine Co., Ltd
Categories LED Displays
Update2011-03-14
Original RegionChina
Cold drawn precise steel tube

Material: st45(20#)
ck45(45#)
Hardness: HB:st45 165-200
ck45 207-240
Length11m
Roughness of inner hole: Ra≤1.6um
Ⅱ Unit: mm
Hardness
diameter
outer diameter
inner diameter
inner diameter warp
inner diameter warp
roundness≤80m
chromeplate≥8m
chromeplate
28
41.28
28.58

+0.03

-0.05

-0.05

-0.15

0.03
32
44.45
31.75
47.75
38
50.80
38.10
54.10
44
57.10
44.45
60.45
57
69.85
57.15
73.15
70
82.55
69.85

-0.03

-0.15

0.05
85.85
83
95.25
82.55

-0.15

-0.25

98.55
95
111.25
95.25
108
123.95
107.95
penetration
32
44.45
31.75

-0.15
-0.25

0.05

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