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Commodity name: High technology cold drawing honed piping
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.
- Hydraulic Cylinder Tube------Main products of Xinpeng,
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.
- SRB tube ----- used in Elevatorbuffer 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.
- Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.
Xinpeng Have passed ISo9001 verified from 2008; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
Xinpeng Have passed ISo9001 verified from 2008; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
st52 honing steel piping Carbon steel cold finished tube Carbon steel cold finished pipe Carbon steel Seamless st52 tubes
Cold rolled st52 seamless tube cold rolling cylinder tube Cylinder Seamless steel tube cold drawn st52.4 tubing hydraulic precision steel tube
Technique Parameter
Material |
(OD)(mm) |
(ID) (mm) |
(Tolerance) |
||||
OD(mm) |
ID(mm) |
W.T(mm) |
Ovality |
Curvature |
|||
20# 45# Q345D 25Mn 42CrMo 27SiMn St35 St45 St52 St52.4 STKM13CT A519 … |
40-74 |
30-65 |
±0.01 |
-0.3,-0.5 |
≤0.5 |
≤0.1 |
0.3 |
74-98 |
65-85 |
±0.01 |
-0.4,-0.6 |
≤0.5 |
≤0.15 |
0.3 |
|
100-116 |
85-100 |
±0.02 |
-0.4,-0.6 |
≤0.6 |
≤0.15 |
0.3 |
|
124-134 |
110-115 |
±0.02 |
-0.6-0.8 |
≤0.6 |
≤0.20 |
0.3 |
|
140-158 |
120-135 |
±0.02 |
-0.7,-0.9 |
≤0.8 |
≤0.20 |
0.3 |
|
165-176 |
140-150 |
±0.02 |
-0.7,-0.9 |
≤0.8 |
≤0.20 |
0.3 |
|
188-203 |
160-180 |
±0.02 |
-0.7,-0.9 |
≤0.8 |
≤0.20 |
0.3 |
|
For Honed /SRB tube standard Tolerance
ID size |
ID deviation (mm) |
|||
H7 |
H8 |
H9 |
H10 |
|
30 |
+0.021 0 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
>30~50 |
+0.025 0 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
>50~80 |
+0.030 0 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
>80~120 |
+0.035 0 |
+0.054 0 |
+0.087 0 |
+0.140 0 |
>120~180 |
+0.040 0 |
+0.063 0 |
+0.100 0 |
+0.160 0 |
>180~250 |
+0.046 0 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
>250~315 |
+0.052 0 |
+0.081 0 |
+0.130 0 |
+0.210 0 |
>315~400 |
+0.0527 0 |
+0.089 0 |
+0.140 0 |
+0.230 0 |
Material Range of Yantai Xinpeng
Steel Grade | ||
DIN |
1629 |
ST 37 / 44 / 52 |
1630 |
ST 37.4 / 44.4 / 52.4 |
|
2391-2 |
ST 35 / 45 / 52 |
|
EN |
17204 |
C22 – Ck 22 – Cm22 – |
17210 |
C15 – Ck 15 – Cm 15 – 16MnCr5 |
|
10305-1 |
E215/235/355/255 |
|
GB |
3639 |
10#, 20#, 16Mn, 45# |
ASTM |
A 519 |
1010 |
A179-A450 |
A450 |
|
A822-A450 |
A450 |
|
BS |
BS 6323 |
CFS3 CFS4 CFS5 CFS6 CFS7 |
NFA |
49310 |
TU 37 b |
Delivery conditions:
Precision tubes are delivered in following conditions
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after last cold forming process.
BKW (+LC) Cold finished/soft
After last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized.
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Tests: 100% eddy current test, chemical and mechanical inspection, size checking and others
Management System Certification:
Production Process:
- Pretreatment : Acid cleaning- Parkerizing
- Cold drawn/Cold rolled
- Annealing furnace—— Stress-relieving (+SR)
- Straightening Machine and Lathe
- Straightness Inspecting
- CNC Cutting Machine ( cutting for sample testing)
- Surface Polishing
CNC Skiving Roller Burnishing Machine——honing
Testing ( 100% Ut testing , Mechanical testing)
| Packaging Detail: | 1. Oiled Inside 2. Pipe Caps 3. Bundle Packing 4. Knit Bags 5. Wooden Case |
| Delivery Detail: | The general delivery is 30~50 days according to your quantity. |
Application:
widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machiner...
About our service:
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment
3. Big discount for repeat customers
4. Smooth delivering procedure
5. Payment Terms: T/T, L/C And so on.
1.payment: 30% deposit,balance before shipment or against copy of B/L or L/C at sight.
2.MOQ: 5 tons for each size.
3.Warranty: 1 year after receipt of tubes.
Finished products
Any need or request , please feel free to contact us!
Send Inquiry to This Supplier
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