Product Description

FEATURED PRODUCTS

Description

Name : honed tubes, honing pipe, hydraulic cylinder tubes, pneumatic cylinder tubes, honed pipe, honing tube, seamless
honed steel tube, precision tubes, cold drawn honed tubes, skived tubes, skived and roller burnished tubes, skived pipes,
SRB tube, SRB pipe, hydraulic SRB tube, hydraulic cylinder skived tubes
Popular standard and steel grade:

EN10305-1

E355 E235 E410 E470 C45E

DIN2391-1

ST52 ST45 ST52.3

ASTM A519

SAE1571 SAE1045 SAE1026

GB/T

20# 45# 16Mn Q345B Q345D Q345E 42CrMo 27SiMn

Application: hydraulic cylinder, pneumatic cylinder,Jack, cylinder barrel
Manufacture Method: cold drawn, cold rolled, Hot rolled+Deep Hole Boring
Heat Treating Method/Delivery Condition:

BK

BKS

GBK

NBK

Q+T

+C

+SR

+A

+N

Q+T

Cold drawn

Stress relieved

Annealed

Normalized

QUENCHED + TEMPERED

Hydraulic & pneumatic tube size and parameters:

Manufacture

method

Cylinder ID (mm)

Length

(m)

Straightness

(mm/m)

Tolerance

on ID

Tolerance

on WT

Roughness

(μm)

Cold drawn 40-420 ≤16M 0.2-0.5

Depends on

requirement

±8% 0.8-1.6
Cold rolled 30-100 ≥14M 0.2-0.5

Depends on

requirement

±5% 0.8-1.2
Cold drawn-honed 40-420 14M 0.2-0.3 H8-H9 ±8% 0.2-0.8
Cold drawn-skived & burnished 40-300 9M 0.2-0.3 H8-H9 ±8% ≤0.4
Deep hole boring- honed 50-1000 12M 0.2-0.3 H8-H9 ±8% ≤0.8
Deep hole boring- skived 50-300 9M 0.2-0.3 H8-H9 ±8% ≤0.4

Mechanical property:

Final Supply

Condition

Cold finished

(Hard)(BK)

Cold drawn and stress-relieved (BK+S or + SR)

Hardness HB

Parameters

T.S

obN/mm²

Elongation

δ5%

T.S

obN/mm²

Y.S

OsN/mm²

Elongation

δ5%

20# (A106B, ST45, E255)

>=550

>=8

>=520

>=375

>=12

175

45#(CK45)

>=650

>=5

>=600

>=500

>=10

190

Q345B(ST52, E355)

>=640

>=5

>=600

>=520

>=15

190

25Mn

>=640

>=5

>=600

>=510

>=15

195

27SiMn

>=840

>=5

>=720

>=600

>=10

210

Chemical Properties:
 

Material

C%

Mn%

Si%

S%

P%

20#

0.17-0.23

0.35-0.65

0.17-0.37

≤0.035

≤0.035

ST45

≤0.21

≥0.4

≤0.35

≤0.571

≤0.571

E255

≤0.21

0.4-1.1

≤0.35

≤0.571

≤0.571

45#

0.42-0.50

0.50-0.80

0.17-0.37

≤0.035

≤0.035

Q345B

≤0.20

≤1.70

≤0.50

≤0.035

≤0.035

E355

≤0.22

≤1.6

≤0.55

≤0.571

≤0.571

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04

25Mn

0.22-0.29

0.70-1.0

0.17-0.37

≤0.035

≤0.035

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

≤0.035

≤0.035

Tolerance on ID:
 

ID

Tolerance for ID (μm)

H7

H8

H9

H10

30

+21

0

+33

0

+52

0

+84

0

>30-50

+25

0

+39

0

+62

0

+100

0

>50-80

+30

0

+46

0

+74

0

+120

0

>80-120

+ 35

0

+ 54

0

+87

0

+140

0

>120-180

+40

0

+63

0

+100

0

+160

0

>180-250

+46

0

+72

0

+115

0

+185

0

>250-315

+52

0

+81

0

+140

0

+210

0

>315-400

+57

0

+89

0

+170

0

+230
0

Part of size list (ID*OD)
 

40*50

 

100*127

 

240*273

40*55

 

110*130

 

250*266

50*60

 

120*140

 

250*280

50*63

 

120*145

 

250*300

60*70

 

125*140

 

280*323

60*73

 

125*145

 

280*325

63*73

 

140*165

 

300*320

63*76

 

140*168

 

300*356

70*80

 

150*180

 

320*340

70*82

 

160*184

 

320*356

70*85

 

160*194

 

320*370

80*90

 

170*200

 

350*370

80*92

 

180*210

 

400*420

80*95

 

200*216

 

 

80*100

 

200*220

 

 

90*102

 

200*232

 

 

90*105

 

200*245

 

 

100*114

 

220*250

 

 

100*121

 

220*273

 

 

PROFESSIONAL TESTING

PRODUCTION PROCESS

Company Profile

Our Advantages

Packaging & Shipping

FAQ

Q1: Are You Manufacture or Trade Company?

We are manufacture,we have 10 years experience for supply Metal material and products in domestic.

Q2: How can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;

Q3: What is your terms of payment ?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment

2.30% down payment, the balance 70% paid against L/C at sight
3.CHINAMFG negotiation

Q4: Can you provide Certificates for aluminum materials ?
Yes,we can supply MTC-Material Test Certificate.

Q5: Can you provide sample?
Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after you make an order.

 

 

After-sales Service: Yes
Warranty: 1 Year
Type: Welded
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Galvanized
Samples:
US$ 1/kg
1 kg(Min.Order)

|

Customization:
Available

|

hydraulic cylinder

How do hydraulic cylinders contribute to the overall cost-effectiveness of industrial processes?

Hydraulic cylinders play a crucial role in enhancing the overall cost-effectiveness of industrial processes. They offer several advantages and contribute to increased productivity, improved efficiency, reduced maintenance costs, and enhanced operational performance. Here's a detailed explanation of how hydraulic cylinders contribute to the cost-effectiveness of industrial processes:

1. High Power Density:

- Hydraulic cylinders provide a high power-to-weight ratio, allowing them to generate substantial force in a compact design. This power density enables the use of smaller and lighter equipment, reducing material and manufacturing costs, and increasing the efficiency of industrial processes.

2. Precise Force and Position Control:

- Hydraulic cylinders offer precise force and position control, allowing for accurate movement and positioning of machinery or workpieces. This level of control enhances process efficiency, reduces material waste, and improves overall product quality. Precise force control also minimizes the risk of equipment damage, further reducing maintenance and repair costs.

3. High Load Handling Capacity:

- Hydraulic cylinders are known for their ability to handle high loads. They can exert significant force, making them suitable for heavy-duty industrial applications. By efficiently handling heavy loads, hydraulic cylinders contribute to increased productivity and throughput, reducing the need for additional equipment and streamlining industrial processes.

4. Flexibility and Versatility:

- Hydraulic cylinders offer a high degree of flexibility and versatility in industrial processes. They can be easily integrated into various types of machinery and equipment, allowing for diverse applications. This adaptability reduces the need for specialized equipment, resulting in cost savings and increased operational efficiency.

5. Energy Efficiency:

- Hydraulic systems, including hydraulic cylinders, can be designed to operate with high energy efficiency. By utilizing efficient hydraulic circuit designs, advanced control systems, and energy recovery mechanisms, hydraulic cylinders minimize energy waste and reduce operational costs. Energy-efficient hydraulic systems also contribute to a more sustainable and environmentally friendly industrial operation.

6. Durability and Longevity:

- Hydraulic cylinders are built to withstand demanding industrial environments and heavy usage. They are constructed with robust materials and undergo stringent quality control measures to ensure durability and longevity. Their ability to withstand harsh conditions and repetitive motion reduces the need for frequent replacements, minimizing downtime and maintenance costs.

7. Reduced Maintenance Requirements:

- Hydraulic cylinders require relatively low maintenance compared to other types of actuators. Properly designed hydraulic systems with efficient filtration and contamination control mechanisms can prevent damage to the cylinders and extend their service life. Reduced maintenance requirements result in lower downtime, decreased labor costs, and improved cost-effectiveness of industrial processes.

8. System Integration and Automation:

- Hydraulic cylinders can be seamlessly integrated into automated industrial processes. By incorporating hydraulic cylinders into automated systems, tasks can be performed with precision and repeatability, reducing human error and optimizing efficiency. Automation also allows for continuous operation, increasing productivity and overall cost-effectiveness.

9. Cost-Effective Replacement:

- In situations where hydraulic cylinders require replacement or repair, the cost-effectiveness of the process is still maintained. Hydraulic cylinders are typically modular in design, allowing for easy replacement of individual components or complete units. This modularity reduces downtime and associated costs, as only the affected components need to be replaced, rather than the entire system.

In summary, hydraulic cylinders contribute to the overall cost-effectiveness of industrial processes through their high power density, precise control capabilities, high load handling capacity, flexibility, energy efficiency, durability, reduced maintenance requirements, system integration, and cost-effective replacement options. Their ability to enhance productivity, efficiency, and operational performance while minimizing maintenance and downtime costs makes hydraulic cylinders a valuable component in various industrial applications.

hydraulic cylinder

Handling the Challenges of Minimizing Fluid Leaks and Contamination in Hydraulic Cylinders

Hydraulic cylinders face challenges when it comes to minimizing fluid leaks and contamination, as these issues can impact the performance, reliability, and lifespan of the system. However, there are several measures and design considerations that help address these challenges effectively. Let's explore how hydraulic cylinders handle the challenges of minimizing fluid leaks and contamination:

  1. Sealing Systems: Hydraulic cylinders employ advanced sealing systems to prevent fluid leaks. These systems typically include various types of seals, such as piston seals, rod seals, and wiper seals. The seals are designed to create a tight and reliable barrier between the moving components of the cylinder and the external environment, minimizing the risk of fluid leakage.
  2. Seal Material Selection: The choice of seal materials is crucial in minimizing fluid leaks and contamination. Hydraulic cylinder manufacturers carefully select seal materials that are compatible with the hydraulic fluid used and resistant to wear, abrasion, and chemical degradation. This ensures the longevity and effectiveness of the seals, reducing the likelihood of leaks or premature seal failure.
  3. Proper Installation and Maintenance: Ensuring proper installation and regular maintenance of hydraulic cylinders is essential for minimizing fluid leaks and contamination. During installation, attention should be given to proper alignment, torqueing of bolts, and adherence to recommended procedures. Regular maintenance includes inspecting seals, replacing worn-out components, and addressing any signs of leakage promptly. Proper maintenance practices help identify and rectify issues before they escalate and cause significant problems.
  4. Contamination Control: Hydraulic cylinders incorporate measures to control contamination and maintain fluid cleanliness. This includes the use of filtration systems, such as in-line filters, to remove particles and contaminants from the hydraulic fluid. Additionally, hydraulic reservoirs often have breathers and desiccant filters to prevent moisture and airborne contaminants from entering the system. By controlling contamination, hydraulic cylinders minimize the risk of damage to internal components and maintain optimal system performance.
  5. Environmental Protection: Hydraulic cylinders may be equipped with protective features to safeguard against external contaminants. For example, bellows or protective boots can be installed to shield the rod and seals from debris, dirt, or moisture present in the operating environment. These protective measures help extend the life of the seals and enhance the overall reliability of the hydraulic cylinder.

In summary, hydraulic cylinders employ sealing systems, appropriate seal materials, proper installation and maintenance practices, contamination control measures, and environmental protection features to handle the challenges of minimizing fluid leaks and contamination. By implementing these measures, manufacturers can ensure reliable and long-lasting hydraulic cylinder performance, minimize the risk of fluid leakage, and maintain the cleanliness of the hydraulic system.

hydraulic cylinder

What maintenance practices are essential for extending the lifespan of hydraulic cylinders?

Maintaining hydraulic cylinders is crucial for extending their lifespan and ensuring optimal performance. Regular maintenance helps prevent premature wear, damage, and failure, ultimately reducing downtime and saving costs. Here are some essential maintenance practices to consider for extending the lifespan of hydraulic cylinders:

1. Regular Inspections:

- Conduct routine visual inspections of hydraulic cylinders to identify any signs of damage, leaks, or wear. Inspect the cylinder body, piston rod, seals, and mounting points. Look for fluid leaks, rust, dents, or any abnormal wear patterns. Early detection of issues allows for timely repairs or replacements, preventing further damage and extending the lifespan of the cylinder.

2. Cleanliness:

- Maintain a clean environment around hydraulic cylinders to prevent contaminants from entering the system. Dust, dirt, and debris can damage seals and other internal components, leading to accelerated wear and reduced performance. Regularly clean the cylinder and its surroundings to minimize the risk of contamination.

3. Proper Lubrication:

- Adequate lubrication is critical for the smooth operation and longevity of hydraulic cylinders. Follow the manufacturer's recommendations for lubrication intervals and use the appropriate lubricant. Apply lubrication to the cylinder's moving parts, such as the piston rod, to reduce friction and minimize wear.

4. Seal Maintenance:

- Seals play a vital role in preventing hydraulic fluid leaks and maintaining the cylinder's performance. Inspect and replace worn or damaged seals promptly. Ensure that seals are properly installed and lubricated. Regularly clean the seal grooves to remove any debris that could compromise seal effectiveness.

5. Pressure Checks:

- Periodically check the hydraulic system's pressure to ensure it is within the recommended operating range. Excessive pressure can strain the cylinder and its components, leading to premature wear. Monitor pressure levels and make adjustments as necessary to prevent overloading the cylinder.

6. Control Valve Maintenance:

- Maintain and inspect control valves that regulate the flow and direction of hydraulic fluid. Ensure that the valves are functioning correctly and not causing excessive stress or pressure spikes in the cylinder. Clean or replace control valves if they are damaged or malfunctioning.

7. Cylinder Alignment:

- Proper alignment of hydraulic cylinders is essential for their longevity. Misalignment can cause excessive side loads, leading to uneven wear and potential damage. Ensure that the cylinder is correctly aligned with other components and that the mounting points are secure.

8. Preventing Overloading:

- Avoid subjecting hydraulic cylinders to loads exceeding their rated capacity. Overloading can cause internal damage, seal failure, and reduced lifespan. Ensure that the load requirements are within the cylinder's capabilities and consider using safety devices like overload protection systems when necessary.

9. Training and Operator Awareness:

- Provide proper training to equipment operators on the correct use and handling of hydraulic cylinders. Operators should be aware of the cylinder's limitations, safe operating procedures, and the importance of regular maintenance. Promote a culture of proactive maintenance and encourage operators to report any potential issues promptly.

10. Documentation and Record-Keeping:

- Maintain detailed documentation of all maintenance activities, including inspections, repairs, and replacements. Keep records of lubrication schedules, pressure checks, and any maintenance performed on the hydraulic cylinders. This documentation helps track the cylinder's history, identify recurring issues, and plan future maintenance effectively.

By following these maintenance practices, hydraulic cylinder lifespan can be extended, ensuring reliable performance and reducing the risk of unexpected failures. Regular inspections, cleanliness, proper lubrication, seal maintenance, pressure checks, control valve maintenance, cylinder alignment, preventing overloading, operator training, and documentation contribute to the overall longevity and optimal functioning of hydraulic cylinders.

China manufacturer DIN2391 St 52.3 Cold Drawn Bk + S Ready Zu Honed Tube Fü R Hydraulic Cylinder   vacuum pump engine	China manufacturer DIN2391 St 52.3 Cold Drawn Bk + S Ready Zu Honed Tube Fü R Hydraulic Cylinder   vacuum pump engine
editor by CX 2023-10-29