Home > Products > Steel Tube > Galvanized Hydraulic Tube
Galvanized Hydraulic Tube
- 3000 Piece / Pieces per Month
- shanghai
- T/T L/C
- 70 days
Product Details
Brand Name: | Lordfintube | Place of Origin: | China | Model Number: | F073 |
Certification: | Other, ISO | Application: | Heater Parts | Type: | Other, Steel Tube |
Product Description
DIN 2391 Galvanized Hydraulic Precision Steel Tubes
Synopsis of Process Routing: DIN highly accurate, cold rolled and bright seamless steel tube is used as the tube to be galvanized. The outer wall of the tube is electroplating. The caps are covered at two ends of the tube to prevent dust. The zinc we make galvanization is white, black, colorful, and olive green
Main Features: white galvanized, color galvanized (yellow galvanized). The high brightness of the tube surface is obtained after galvanizing. A good property of antirust and anticorrosion on the outer wall of the tube is reached.
Main Application: used in the automotive industry, and in the occasion where the high accuracy, brightness, and anticorrosion property of the tube are required.
Specifications
Outer diameter: 6mm-76mm;
Wall thickness: 1mm-4mm
Material: ST35,ST45,ST52,E235,E355etc
Delivery Status:NBK(+N)+galvanization
Standards adopted
DIN2391/EN10305-4
Zn-Coated Seamless Steel Tubes
When producing galvanized steel tubes, we use the no-oxygen furnace to anneal the tubes which ensures the smoothness of the inner and outside surfaces. Both the inner and outer surfaces of the high-precision steel tubes can be galvanized or Zn only coated to the outside diameter, giving the tube a high homogeneity and an excellent rust-resistant performance.
The length of these automotive steel tubes is 6000mm, the zinc color choices include white, yellow, and army green.
Dimension range: Outer diameter:6-76mm, wall thickness:1-10mm
Zinc wall thickness 8-12um, Salt spray test: common requirements: 80-120 hours, high requirements:120-300 hours, Cr+6 free, environmentally friendly
Process Description
Using a high precision, fine-drawn bright seamless steel tube as the steel pipe to make galvanization, the outer wall of the steel pipe is cold-galvanized, and both ends are covered for dust protection. The pipe length can be produced to be less than 6 meters.
Zinc Color: White, yellow, dark green, and other options. After the galvanized steel surface is finished, the steel features excellent rust resistance and corrosion resistance.
Primary purpose: These pipes are often used as automotive precision steel pipes, with a finish specifically for corrosion resistance as required by users.
Process Description: DIN precision finishing with seamless bright finished tubes as galvanized steel pipe, galvanized steel pipe outer wall for cold treatment, and both ends of the cover for dust treatment.
Main features: steel color: white zinc, yellow zinc, galvanized steel surface finish, rust-proof steel tube, good corrosion resistance.
How do we ensure the quality of these galvanized automotive steel pipes?
1. We use high-quality raw materials. All raw materials are supplied by internationally known steel makers.
2. Each batch of raw material is checked for both chemical and mechanical properties, according to specifications.
3. During the cold drawing process, our inspectors check every bundle three times: once at the beginning of the process, once during the middle, and finally, at the end of the cold drawing process.
4. During the final heat treatment, every bundle has the surface checked, as well as mechanical properties through samplings.
5. Non-destructive testing and manual inspection for each tube ensure a 100% quality rate before galvanization.
Seamless Precision Galvanized Steel Tube According to DIN 2391 / EN 10305-1 / EN 10305-4:
▪ Standard:
DIN 2391, EN 10305-1, EN 10305-4
▪ Materials:
ST35, ST37.4, ST37, ST45, ST52, ST52.4, E235, E255, E355.
▪ Delivery condition:
Galvanized after bright annealed, white zinc, yellow zinc, and dark green zinc.
▪ Size Range:
Outer Diameter: 4 mm - 60 mm Wall thickness: 0.5 mm - 10 mm
▪ Main Features:
High accuracy, with good anti-rust and corrosion resistance performance.
▪ Main Application:
Used in hydraulic systems, applications which require good rust proof and corrosion resistance performance.
Galvanized /Zinc coated precision steel tubes HPL tubes for hydraulic and pneumatic lines
1. Steel Grade:
St35, St37, St52, and other steel grades upon agreement.
DIN2391 Galvanized Steel Tube with High Precision
2. Production process:
DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be galvanized. The outer wall of the tube is electroplated. The caps are covered at two ends of the tube to prevent it from dust.
3. Main Features:
White galvanized, color galvanized (yellow galvanized), olive green. After galvanization, the outer wall of the tube has good brightness and good properties for antirust and anticorrosion.
Other Specification:
- End Shape: Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements
- Surface Treatment: Oiled, Galvanized, Phosphate, etc.
- Technique: Cold drawn & cold rolled
Application
- Automotive and mechanical pipes
- Petroleum cracking pipes
- High-Pressure Boiler Pipe
- Low and middle-pressure fluid transportation pipeline
- Chemical fertilizer equipment pipes
- Heat exchanger pipes
Conditions
- BK (+C)
No heat treatment after the last cold-forming process.
- BKW (+LC)
After the last heat treatment, there is a light finishing pass (cold drawing)
- BKS (+SR)
After the final cold-forming process, the tubes are stress relieved and annealed.
- GBK (+A)
After the final cold-forming process the tubes are annealed in a controlled atmosphere.
- NBK (+N)
After the final cold-forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Main Application:
This kind of tube is used in the auto parts industry, on the occasion when the requirement for precision, surface finish, antirust, and anticorrosion of the outer wall is relatively high.
Fuel injection Pipes, Oil flow pipelines, Automobile, and motorcycle Shock Absorber Pipe, Seat lifter Pipe Hydrau-cylinder Pipe, Bicycle frame steel pipes, Mechanical steel pipes for auto and motor parts, Auto and Motorcycle Parts, Exhaust Pipe for Generators, High Heels Steel Pipes, Campanula Seamless Steel Pipe, Bike and Bicycle Frame, Hydraulic System(Oil Pipeline, Motor Engine Pipe), Sewing machine and textile machine parts, Air conditioning fitting, Gas oil burner pipe, Oil pipe drilling, Auto and motor pipe fittings, Gas Spring pipe, motor casing pipe
Galvanized Thick Wall Cold Drawn Tube For Hydraulic System
- OD: 10--110mm,WT:1.0—8.0mm
- Main materials: St37.4, St35 (E235), St45 (E255), St52 (E355)
- Main standard: DIN2391-94/C, DIN2445, EN10305
- Length: 400-800mm fixed length or 3000-5800mm fixed length or random length
- State of delivery: NBK (+N), BK (+C), GBK (+A)
- Surface treatment: oiled, polished, honed
- Ends processing: plain ends end chamfer
Processing introduction:
As galvanized steel pipes, the completed DIN high-precision, precisely-drawing seamless steel pipes carry out cold galvanized on the external wall of the steel pipes. The two ends are sealed to prevent dust.
Main features:
- The pipe’s color: is white zinc, colorful zinc(yellow zinc), and the external wall of the steel pipe has sound dust prevention and erosion prevention functions. Note: the length of galvanized should be kept within 6m.
- Main usage: Steel pipes in hydraulic systems and customers that have high requirements on the rust erosion prevention functions of the
external walls of steel pipes.
- Main standard: DIN2391-94/C, DIN2445, EN10305
- Main materials: St37.4, St35 (E235), St45 (E255), St52 (E355)
- State of delivery: NBK (+N), BK (+C), GBK (+A)
- Keywords: Zinc Plating of Steel tubing, Protection coatings for hydraulic precision steel tubes
Hot Tags: galvanized hydraulic tube, China, suppliers, manufacturers, price
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- Shanghai T.S. Industrial Co., Ltd
- Contact nameEstela
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