Oil cylinder tube manufacturer spot wholesale and retail
Product Introduction
Shandong jute Pipe Industry Co., Ltd. have established in 1992. Main products as follows:
1. Hydraulic Cylinder Tube——Main products of Jute,
Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2. Honed tube —– used in Elevator buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube,ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
3. Cold finished tube—- Widely Used. Processing range 30-300mm, biggest length is 11M.
Product Specification
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OD
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GB/T3639
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DIN2391
(EN10305) |
Our Tolerance
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Best Quality
|
|
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31-40mm
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±0.15mm
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±0.15mm
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±0.05mm
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±0.03mm
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|
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41-50mm
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±0.20mm
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±0.20mm
|
±0.05mm
|
±0.03mm
|
|
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51-60mm
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±0.25mm
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±0.25mm
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±0.08mm
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±0.03mm
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|
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61-70mm
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±0.30mm
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±0.30mm
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±0.10mm
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±0.05mm
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|
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71-160mm
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±0.30mm
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±0.30mm
|
±0.10mm
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±0.05mm
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|
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160mm-230mm
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±0.50mm
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±0.50mm
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±0.40mm
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||
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Tolerance in WT
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±0.12mm
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±0.10mm
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±0.05mm
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±0.03mm
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|
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PROCESS
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|||||
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Process
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Diameter
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Length
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Cold Rolled
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30-100mm
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≤10 m
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|||
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Cold Draw
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30-250mm
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≤10 m
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Honing
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40-500mm
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≤10 m
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|||
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Skived burnished
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40-400mm
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≤76m
|
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HONED OR SRB TUBE TOLERANCE
|
|||||
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Inner Diameter
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H8
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H9
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H10
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||
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30mm
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±0.033
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±0.052
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±0.084
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5-30mm
|
|
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30-50mm
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±0.039
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±0.062
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±0.100
|
±0.080
|
|
|
50-80mm
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±0.046
|
±0.074
|
±0.120
|
||
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80-120mm
|
±0.054
|
±0.087
|
±0.140
|
||
|
120-180mm
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±0.063
|
±0.100
|
±0.160
|
||
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180-250mm
|
±0.072
|
±0.115
|
±0.185
|
||
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250-315mm
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±0.081
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±0.130
|
±0.210
|
||
Equipped with saws CNC skived and roller burnished machine,we can do honing or SRB on inner tube
Tolerance can up to H8,H9
Inner roughness :Ra0.4 micron(max)
Straightness:1:1000 or as customized
Usage:can be used for main body of hydraulic cylinder directly or other hydraulic parts
Size
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Size
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ID*OD
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(mm)
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These sizes have stock,
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||
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40*50
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90*110
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140*170
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60*45
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120*140
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180*205
|
|
40*55
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95*110
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145*170
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70*57
|
125*140
|
90*105
|
|
50*60
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95*115
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150*170
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90*80
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125*145
|
70*85
|
|
50*65
|
100*110
|
150*175
|
102*90
|
125*150
|
70*90
|
|
55*70
|
100*114
|
150*180
|
50*40
|
130*150
|
75*90
|
|
60*70
|
100*115
|
155*180
|
55*40
|
130*155
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140*165
|
|
60*75
|
100*120
|
160*175
|
180*210
|
130*160
|
70*80
|
|
60*78
|
100*125
|
160*180
|
180*215
|
135*160
|
70*82
|
|
63*73
|
105*125
|
160*185
|
180*220
|
140*160
|
165*205
|
|
63*75
|
110*125
|
160*190
|
185*205
|
80*100
|
170*200
|
|
63*76
|
110*130
|
160*195
|
185*215
|
80*92
|
85*100
|
|
63*78
|
115*130
|
165*190
|
185*220
|
80*95
|
180*200
|
|
65*80
|
115*135
|
165*140
|
140*120
|
146*125
|
30*25
|
