| After-sales Service: | 6 Months |
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| Warranty: | 6 Months |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Samples: |
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| Customization: |
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Audited Supplier Seamless Steel Honed Tube is made of JIS STKM13C/ DIN ST52/ ASTM A106/ SAE1020 and welded pipe: DIN ST52.3 are also offered. Seamless Steel Hydraulic Cylinder Honed Tube withstands higher pressure than welded tube without splits. But, roundness of welded honed barrels is superior to seamless pipe. After honing, carbon steel cylinder honed tube of mechanical structure use has precision diameter, smooth surface, and excellent performance of oil storage. This kind of Hydraulic Cylinder Tube and Pneumatic Cylinder Tube work smoothly without pauses and has longer working life in cylinders. Applies to hydraulic cylinders tube, pneumatic cylinders tube, forklift, crane, excavator, punching machine, and other kinds of labor-saving automatic mechanical engineering.
ID : Ø 18~350mm
OD : Ø 30~420mm
Length : 3000~8000mm
Special Length : 13M
Surface Roughness :Ra0.4-Ra0.8
ID Accuracy : H7, H8, H9
| Our Material | Material No. | Similar International Grade | Suitable for… |
| JIS G3445 STKM13C | ASTM MT1020 / BS ERWC3 / DIN ST45 / NF TU37b / ISO TS4 | Carbon steel tubes for machine structural purpose | |
| DIN 2391 ST52 | 1.0580 | JIS STKM19A / ASTM 1524 / EN E355 / ISO TS18 | Mechanical and automotive engineering |
| ST52 BK+S | 1.0580 | Low deformability without heat treatment after cold forming process and stress-relief annealing | |
| DIN 2393 ST52.3 | 1.0570 | ISO Gr.1 | Construction of chemical plant, pipe work and mechanical engineering use, |
| ASTM A106 | 1.0405 | JIS STPT410 / BS HFS410 / DIN ST45.8 / NF TU42c | Seamless carbon steel pipe for high temperature service Suitable for bending, flanging, welding and similar forming operations |
1.Hydraulic cylinder
2.Pneumatic cylinder
3.Precise machine pipes
4.Agriculture machine
5.Boiler construction
6.Machinery :Stamping machine / Punching machine /Blow molding machine
Plastic injection machine / Food machine ,Forklift
7.Automobiles:
Crane / Truck / Truck lifter / Shock absorber of car, motorcycle, bicycle
8.Furniture: gas spring
9.Sport equipments
10.Medical equipments
11.Door closer
12.Jack
Hunan Hengan Weiye Metal Products Co., LTD is subordinate to Hengan Weiye Steel Pipe Co., LTD. After more than 10 years of development, the company has become a leading enterprise in the industry, with more than ten thousand tons of stock, with processing bases in Guangzhou, Tianjin, Hubei and other provinces.
Main business: seamless steel pipe, fine drawing pipe, drill pipe special steel pipe, steel plate, galvanized products, stainless steel series, and production and processing. Under the support and care of friends and Allies from all walks of life, after years of development, the company's performance continues to expand, the annual sales has exceeded 150 million.
At present, it has become a special agent dealer of well-known domestic steel enterprises. Under the situation of fierce market competition, the company has the courage to open up and innovation. At present, the company provides steel projects all over the world.
Q: Are you a manufacturer?
A: Yes , we are a manufacturer, We have own factory, which is located in TIANJIN,CHINA.
Q:Can we visit your factory ?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Do you have quality control?
A: Yes, we have gained API, ISO authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.
Q:Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
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Audited Supplier 
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