En8d Hydraulic Seamless Pipe J524 Hydraulic Tubing Automobile
Name:Hydraulic Seamless Pipe
Section Shape:Round
ID Tolerance:H8, H9
OD Treatment:Machining+Polishing
WT:3-150mm
Length:according to customer requirement
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Product Details
Round Seamless Steel Tube For Hydraulic / Automobile Pipe
Specification
Material | hydraulic seamless steel tube | Raw Material | Carbon steel |
Material type | Seamless | Surface Treatment | Bk, Nbk, Bks, etc |
MOQ | 1 ton | Warranty | 12month |
Production Capacity | 24000tons/years | HS Code | 7304319000 |
Section Shape | Round | Usage | Hydraulic/Automobile Pipe, Machinery Industry, Mining, Special
Purpose |
Bore Roughness | Ra0.25um Max | Wall thickness | 3-150mm |
OD Treatment | Machining+Polishing | ID Tolerance | H8, H9 |
Bore Treatment | Honing, Skiving&Roller Burnishing | Transport Package | Standard Export Packing or Customized Packing |
Mechanical properties | ||||
Steel grade | tensile strength (бb N/mm2) | Yield strength (бs N/mm2) | Elongation (δ%) | Hardness (HB) |
20# | ≥520 | ≥470 | ≥12 | 175 |
45#(CK45) | ≥600 | ≥520 | ≥12 | 207 |
16Mn(ST52) | ≥600 | ≥520 | ≥12 | 190 |
25Mn | ≥600 | ≥510 | ≥15 | 195 |
27SiMn | ≥800 | ≥720 | ≥10 | 230 |
Product Description | |||||
Processing form | Cylinder ID (mm) | length (m) | Straingtness (mm/m) | Tolerance on ID | Roughness (µ/m) |
Cold drawn | 30-250 | ≤13m | 0.2-0.5 | H9-H11 | 0.8-1.6 |
Precision rolling | 40-800 | ≤13m | 0.2-0.3 | H7-H9 | 0.2-0.4 |
Honing | 40-800 | ≤7m | 0.2-0.3 | H7-H9 | 0.4-0.8 |
Burnished | 40-400 | ≤7m | 0.2-0.3 | H8 | ≤0.4 |
Dimension Tolerence | ||||||
Size of ID (mm) | ID Tolerance | Tolerance of wall thickness | ||||
H7 | H8 | H9 | H10 | H11 | ||
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 | +0.130 0 | ±5% |
>30-50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 | +0.160 0 | |
50-80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 | +0.190 0 | |
80-120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 | +0.220 0 | |
120-180 | +0.040 0 | +0.063 0 | +0.100 0 | +0.160 0 | +0.250 0 | |
180-250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 | +0.290 0 | |
250-315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 | +0.320 0 | |
315-400 | +0.057 0 | +0.089 0 | +0.140 0 | +0.230 0 | +0.360 0 | |
Features of hydraulic seamless pipes:
Seamless Construction: Hydraulic seamless pipes are manufactured using a seamless process, which means they are produced without any welded joints along their length. This seamless construction eliminates the risk of weak points or potential leakage, ensuring a reliable and durable hydraulic system.
High Strength: Hydraulic seamless pipes are designed to withstand high-pressure applications. They are made from materials such as carbon steel, stainless steel, or alloy steel, which offer excellent strength properties. This high strength enables the pipes to handle the demanding hydraulic forces and pressures without deformation or failure.
Corrosion Resistance: Hydraulic seamless pipes are often coated or made from corrosion-resistant materials to withstand the harsh operating environments commonly encountered in hydraulic systems. The coatings or materials protect the pipes from corrosion caused by hydraulic fluids, moisture, chemicals, and other corrosive elements.
Smooth Internal Surface: Hydraulic seamless pipes undergo honing or other surface finishing processes to achieve a smooth internal surface. The smoothness reduces friction and turbulence within the pipe, facilitating efficient fluid flow and minimizing pressure drop. It also helps prevent the accumulation of debris or contaminants that could affect the performance of hydraulic components.
Compatibility with Hydraulic Fluids: Hydraulic seamless pipes are designed to be compatible with a wide range of hydraulic fluids, including mineral oil-based fluids, synthetic fluids, and water-based fluids. They exhibit excellent resistance to degradation, swelling, or deterioration when exposed to hydraulic fluids, ensuring long-term performance and reliability.
Applications of hydraulic seamless pipes include:
Construction Machinery: Hydraulic systems are integral to construction machinery, including excavators, bulldozers, cranes, and loaders. Hydraulic seamless pipes are used to carry hydraulic fluid to power the various hydraulic components and enable precise control of movements and heavy lifting.
Industrial Machinery: Hydraulic systems are found in a wide range of industrial machinery, such as machine tools, presses, injection molding machines, and material handling equipment. Hydraulic seamless pipes are used to transmit hydraulic fluid to actuate different components and perform various functions, such as clamping, bending, cutting, and lifting.
Agricultural Equipment: Hydraulic systems are crucial in agricultural machinery, such as tractors, combines, and harvesters. Hydraulic seamless pipes enable the operation of hydraulic implements, such as loaders, backhoes, and hydraulic lifts, used for tasks like lifting heavy loads, adjusting equipment height, and controlling attachments.
Automotive Industry: Hydraulic seamless pipes are employed in automotive applications, particularly in braking systems and power steering systems. They carry hydraulic fluid to actuate the brake calipers or wheel cylinders in hydraulic brakes and assist in steering control through hydraulic power steering systems.
Aerospace and Aviation: Hydraulic systems are vital in aircraft for functions like landing gear operation, wing flap actuation, and control surfaces movement. Hydraulic seamless pipes are used to transport hydraulic fluid to different hydraulic actuators and ensure reliable operation in demanding aerospace environments.
Oil and Gas Industry: Hydraulic seamless pipes are utilized in oil and gas exploration, production, and refining processes. They are employed for hydraulic fracturing (fracking), well control systems, hydraulic power units, and other hydraulic equipment used in drilling operations and oilfield machinery.
Why Choose us?
(1) High quality steel tube with reasonable price.
(2) Wide excellent experiences with after-sale service.
(3) Every process will be checked by responsible QC which insures every product's quality.
(4) Professional packing teams which keep every packing safely.
(5) Trial order can be done in one week.
(6) Samples can be provided as your requirements.
En8d Hydraulic Seamless Pipe J524 Hydraulic Tubing Automobile
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