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Help CenterBest Products 30mm Outer Diameter Seamless Steel Pipe
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Best products 30mm outer diameter seamless steel pipe
precision steel tube technique and tolerance
Working method |
Range |
ID size |
Tolerance |
||||||
ID Tolerance |
WT |
Ovality |
Curvature |
||||||
H8 |
H9 |
H10 |
|||||||
cold drawn |
25-250 |
>30-50 |
+0.039 0 |
+0.062 0 |
+0.100 0 |
±5% to 7.5% ID>210mm ±10% |
≤0.10-0.20 |
0.3 |
|
cold rolling |
25-150 |
>50-80 |
+0.046 0 |
+0.074 0 |
+0.120 0 |
||||
cold-drawn-honed |
40-250 |
>80-120 |
+0.054 0 |
+0.087 0 |
+0.10 0 |
||||
cold drawn-SRB |
50-250 |
>120-180 |
+0.063 0 |
+0.100 0 |
+0.160 |
||||
cold drawn-polish |
40-250 |
>180-250 |
+0.072 0 |
+0.115 0 |
+0.185 0 |
||||
polish-SRB |
50-250 |
other size and technique parameter upon request |
|||||||
SRB and Honed tube
ID Tolerance unit :mm(metric size upon customized)
ID |
OD |
WT |
ID Roughness (max) |
ID Tolerance |
Straightness |
Length (max) |
63.5 |
76.2 |
6.35 |
RA0.4micron |
H8 H9 |
1:1000 or customized |
6m |
63.5 |
82.55 |
9.525 |
||||
76.2 |
88.9 |
6.35 |
||||
76.2 |
95.25 |
9.525 |
||||
88.9 |
101.6 |
6.35 |
||||
88.9 |
107.95 |
9.525 |
||||
101.6 |
114.3 |
6.35 |
||||
101.6 |
9.525 |
6.35 |
||||
114.3 |
127 |
6.35 |
||||
114.3 |
139.7 |
12.7 |
||||
127 |
139.7 |
6.35 |
||||
127 |
152.4 |
12.7 |
Cold drawn(rolled) precision steel pipe and the general difference between ordinary seamless steel pipe:
1, the general characteristics of ordinary seamless steel pipe is welded seam, can withstand greater pressure. The product can be very rough as cast or cold parts.
2, cold drawn precision steel pipe is the product in recent years, mainly the hole, the outer wall size has strict tolerances and roughness.
Cold drawn (rolled) precision steel pipe features:
1. smaller diameter.
2. High precision can be done small batch Health
3. Cold drawn (rolling) finished high precision, good surface quality.
4. Steel pipe cross-sectional area is more complex.
5. Steel pipe performance is superior, the metal is relatively dense.
packaging details:
1.bundle with steel strips
2.brand parcel
3.wooden box
4.as clinets request
delivery details: 15days after payment
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.
1. 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.
2.SRB 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.
Xinpeng Have passed ISo9001 verified from 2015; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
1. Construction categories are: the bottom of the pipeline transport up to more, cover the floor when the extraction of groundwater, boiler hot water transport and so on.
2. Machining, bearing sets, processing machinery parts and so on.
3. Electrical class: gas transmission, water generation fluid pipeline.
4. Wind power plant anti-static tube
Seamless steel pipe is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, car drive shaft, bicycle frame and steel scaffold used in construction and other steel ring manufacturing parts, can improve material utilization, simplify manufacturing processes, Materials and processing time, has been widely used to manufacture steel.
1.portable hardness tester
2.wall thickness gauge
3.ultrasonic flaw detector
4.digital rockwall hardness tester
5.tensile testing machine
6.USA import UT test machine
1. Surface protection
2. Flexible terms of payment
3. Big discount for repeat customers
4. Smooth delivering procedure
5.More than 20 years experience
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