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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.
Xinpeng Have passed ISo9001 verified from 2008; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng. Mainly produce precision tube as cold drawn/rolled tube honed and SRB tube, mainly used in Hydraulic cylinder and mechanical using.

Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers of the precision tube and hydraulic cylinder tube in North of China. Since 2002 cold drawn machine set importing, Xinpeng become a big precision steel pipe manufacture with 500Mt month productivity in the next 12 years.
Products widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator, forklifts and the Petrol industry.
SIZE RANGE | ||||||
OD MM | OD (MM) TOL | WT 5mm | 6 | 7.5 | 10 | 12.5 |
35 | (+/- .15) | 25 (-0/ +0.033) | 23(-0/ +0.033) | 20(-0/ +0.033) | ||
40 | 30 (-0/ +0.033) | 28 (-0/ +0.033) | 25 (-0/ +0.033) | |||
42 | (+/- .20) | 32 (-0/ +0.039) | 30 (-0/ +0.033) | 27 (-0/ +0.033) | ||
45 | 35 (-0/ +0.039) | 33 (-0/ +0.039) | 30(-0/ +0.033) | 25(-0/ +0.033) | ||
50 | 40(-0/ +0.039) | 38 (-0/ +0.039) | 35 (-0/ +0.039) | 30(-0/ +0.033) | 25(-0/ +0.033) | |
52 | 42 (-0/ +0.039) | 40 (-0/ +0.039) | 37 (-0/ +0.039) | 32(-0/ +0.033) | 27(-0/ +0.033) | |
55 | (+/- .25) | 45(-0/ +0.039) | 43(-0/ +0.039) | 40(-0/ +0.039) | 35(-0/ +0.039) | 30(-0/ +0.033) |
60 | 50(-0/ +0.039) | 48(-0/ +0.039) | 45(-0/ +0.039) | 40(-0/ +0.039) | 35(-0/ +0.039) | |
65 | (+/- .30) | 55(-0/ +0.046) | 53(-0/ +0.046) | 50(-0/ +0.039) | 45(-0/ +0.039) | 40(-0/ +0.039) |
70 | 60(-0/ +0.046) | 58(-0/ +0.046) | 55(-0/ +0.046) | 50(-0/ +0.039) | 45(-0/ +0.039) | |
72 | 62(-0/ +0.046) | 60(-0/ +0.046) | 57(-0/ +0.046) | 52(-0/ +0.046) | 47(-0/ +0.039) | |
73 | 63(-0/ +0.046) | 61(-0/ +0.046) | 58(-0/ +0.046) | 53(-0/ +0.046) | 48(-0/ +0.039) | |
75 | (+/- .35) | 65(-0/ +0.046) | 63(-0/ +0.046) | 60(-0/ +0.046) | 55(-0/ +0.046) | 50(-0/ +0.039) |
78 | 68(-0/ +0.046) | 66(-0/ +0.046) | 63(-0/ +0.046) | 58(-0/ +0.046) | 53(-0/ +0.046) | |
80 | 70(-0/ +0.046) | 68(-0/ +0.046) | 65(-0/ +0.046) | 60(-0/ +0.046) | 55(-0/ +0.046) | |
83 | 73(-0/ +0.046) | 71(-0/ +0.046) | 68(-0/ +0.046) | 63(-0/ +0.046) | 58(-0/ +0.046) | |
85 | (+/- .40) | 75(-0/ +0.046) | 73(-0/ +0.046) | 70(-0/ +0.046) | 65(-0/ +0.046) | 60(-0/ +0.046) |
90 | 80(-0/ +0.046) | 78(-0/ +0.046) | 75(-0/ +0.046) | 70(-0/ +0.046) | 65(-0/ +0.046) | |
95 | (+/- .45) | 85(-0/ +0.054) | 83(-0/ +0.054) | 80(-0/ +0.046) | 75(-0/ +0.046) | 70(-0/ +0.046) |
100 | 90(-0/ +0.054) | 88(-0/ +0.054) | 85(-0/ +0.054) | 80(-0/ +0.046) | 75(-0/ +0.046) | |
105 | 95(-0/ +0.054) | 93(-0/ +0.054) | 90(-0/ +0.054) | 85(-0/ +0.054) | 80(-0/ +0.046) | |
110 | (+/- .50) | 100(-0/ +0.054) | 98(-0/ +0.054) | 95(-0/ +0.054) | 90(-0/ +0.054) | 85(-0/ +0.054) |
115 | 105(-0/ +0.054) | 103(-0/ +0.054) | 100(-0/ +0.054) | 95(-0/ +0.054) | 90(-0/ +0.054) | |
120 | 110(-0/ +0.054) | 108(-0/ +0.054) | 105(-0/ +0.054) | 100(-0/ +0.054) | 95(-0/ +0.054) | |
125 | 115(-0/ +0.054) | 113(-0/ +0.054) | 110(-0/ +0.054) | 105(-0/ +0.054) | 100(-0/ +0.054) | |
130 | (+/- .70) | 120(-0/ +0.054) | 108(-0/ +0.054) | 115(-0/ +0.054) | 110(-0/ +0.054) | 105(-0/ +0.054) |
135 | 125(-0/ +0.063) | 123(-0/ +0.063) | 120(-0/ +0.054) | 115(-0/ +0.054) | 110(-0/ +0.054) | |
140 | 130(-0/ +0.063) | 128(-0/ +0.063) | 125(-0/ +0.063) | 120(-0/ +0.054 | 115(-0/ +0.054) | |
145 | 135(-0/ +0.063) | 133(-0/ +0.063) | 130(-0/ +0.063) | 125(-0/ +0.063) | 120(-0/ +0.054) | |
150 | (+/- .80) | 140(-0/ +0.063) | 138(-0/ +0.063) | 135(-0/ +0.063) | 130(-0/ +0.063) | 125(-0/ +0.063) |
155 | 145(-0/ +0.063) | 143(-0/ +0.063) | 140(-0/ +0.063) | 135(-0/ +0.063) | 130(-0/ +0.063) | |
160 | 150(-0/ +0.063) | 148(-0/ +0.063) | 145(-0/ +0.063) | 140(-0/ +0.063) | 135(-0/ +0.063) | |
165 | 155(-0/ +0.063) | 153(-0/ +0.063) | 150(-0/ +0.063) | 145(-0/ +0.063) | 140(-0/ +0.063) | |
170 | (+/- .90) | 160(-0/ +0.063) | 158(-0/ +0.063) | 155(-0/ +0.063) | 150(-0/ +0.063) | 145(-0/ +0.063) |
180 | 170(-0/ +0.063) | 168(-0/ +0.063) | 165(-0/ +0.063) | 160(-0/ +0.063) | 155(-0/ +0.063) | |
185 | 175(-0/ +0.063) | 173(-0/ +0.063) | 170(-0/ +0.063) | 165(-0/ +0.063) | 160(-0/ +0.063) | |
190 | (+/- 1) | 180(-0/ +0.063) | 178(-0/ +0.063) | 175(-0/ +0.063) | 170(-0/ +0.063) | 165(-0/ +0.063) |
200 | 190(-0/ +0.072) | 188(-0/ +0.072) | 185(-0/ +0.072) | 180(-0/ +0.063) | 175(-0/ +0.063) | |
215 | 205(-0/ +0.072) | 203(-0/ +0.072) | 200(-0/ +0.072) | 195(-0/ +0.072) | 190(-0/ +0.072) | |
220 | (+/- 1.2) | 210(-0/ +0.072) | 208(-0/ +0.072) | 205(-0/ +0.072) | 200(-0/ +0.072) | 195(-0/ +0.072) |
230 | 220(-0/ +0.072) | 218(-0/ +0.072) | 215(-0/ +0.072) | 210(-0/ +0.072) | 205(-0/ +0.072) |

OD | ID | COLD FINISHED TUBE TOLERANCE OF XINPENG | ||||||
OD | ID | WT DEVIATION | OVALITY | |||||
40-74 | 30-65 | +-0.1MM | -0.3 -0.5 | <=0.5 | <=0.1 | |||
74-98 | 65-85 | +-0.1MM | -0.4 -0.6 | <=0.5 | <=0.15 | |||
100-116 | 85-100 | +-0.2MM | -0.4 -0.6 | <=0.6 | <=0.15 | |||
124-134 | 110-115 | +-0.2MM | -0.6 -0.8 | <=0.6 | <=0.20 | |||
140-158 | 120-135 | +-0.2MM | -0.7 -0.9 | <=0.8 | <=0.20 | |||
165-176 | 140-150 | +-0.2MM | -0.7 -0.9 | <=0.8 | <=0.20 | |||
188-203 | 160-180 | +-0.2MM | -0.7 -0.9 | <=0.8 | <=0.20 | |||

FAQ:
Cold drawn tube, cold rolled tube, honed tube, SRB tube, hydraulic cylinder tube
Q: What about your payment term?
A: Usually T/T or L/C, 30% deposit and 70% before delivery.
Q: what about your standard delivery date?
A: 30 days after receiving deposit
Q: How about your capacity?
A: For steel pipes, 500 tons per month, 6000 tons per year.
Q: what about your package
New products from manufacturers at wholesale prices