• Stainless Steel Pipe Stainless Steel Tube 304/316L System 1
  • Stainless Steel Pipe Stainless Steel Tube 304/316L System 2
Stainless Steel Pipe Stainless Steel Tube 304/316L

Stainless Steel Pipe Stainless Steel Tube 304/316L

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Loading Port:
Huangpu
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
100000 pc/month

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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,EN,ASTM
Technique:
Cold Rolled
Shape:
Round
Surface Treatment:
Bright
Steel Grade:
300 Series
Certification:
ISO
Thickness:
0.6mm-3.0mm
Length:
6m
Net Weight:
2-30kg

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Press fitting system joins pipe without welding or bolting. The components fit by crimping through the use of a special pressing tool. An O-ring that is inserted in the fitting ends of the pipe ensures a leak-proof connection. Press fitting system is the trend of pipeline industry. It is widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc.

For the size, now we have 3 series:
1. Out diameters: 16.0, 20.0, 25.4, 32.0, 40.0, 50.8, 63.5, 76.1, 88.9, 108.0 (GB/T 19228.2-2011)
2. Out diameters: 15.88, 22.22, 28.58, 34.0, 42.7, 48.6, 76.1, 88.9, 101.6 (JIS G3448-1980)
3. Out diameters: 15, 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108 (EN 10312:2002)

Stainless Steel Pipe Stainless Steel Tube 304/316L
Technical information:
-- Material: Stainless steel 304 and 316L available.
-- Max working pressure 1.6MPa (equal to 232 psi), testing water pressure: 2.5MPa (equal to 362.5psi).
-- Working temperature from -20 to 110 degree centigrade (with Chlorinated butyl rubber O ring),
-- Suit medium: Cold water, hot water, compressed air, gas, oil etc

The product features as below: 
1, thin wall stainless steel pipe could last for 70 years, it is the same life time with normal buildings. 
2, no smell, no rusty. 
3, recycle material
4, avoid welding, avoid fire dangerous. 
Contact us for more details!

Q:Can stainless steel pipes be used for oil and gas refineries?
Indeed, oil and gas refineries can utilize stainless steel pipes. Given its exceptional durability and resistance to corrosion, stainless steel proves to be an appropriate choice for the challenging and corrosive conditions typically encountered in refineries. It can endure substantial pressures, extreme temperatures, and the presence of diverse chemicals and corrosive elements frequently encountered in oil and gas operations. Moreover, stainless steel pipes provide outstanding protection against erosion, pitting, and cracking, guaranteeing the long-lasting integrity of the pipeline system.
Q:What is the difference between 304J2 and 316J2 stainless steel pipes?
The main difference between 304J2 and 316J2 stainless steel pipes lies in their chemical composition and the presence of certain elements. 304J2 stainless steel is a variant of the popular 304 stainless steel grade. It contains around 18-20% chromium and 8-10.5% nickel, which gives it good corrosion resistance, especially in mildly corrosive environments. However, it has a lower molybdenum content compared to 316J2. On the other hand, 316J2 stainless steel is a variant of the 316 stainless steel grade. It contains around 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The higher molybdenum content enhances its corrosion resistance, making it suitable for more aggressive environments, such as marine or chemical applications. In terms of mechanical properties, both grades have similar tensile strength and yield strength. However, due to the higher nickel and molybdenum content, 316J2 stainless steel pipes generally offer better resistance to pitting and crevice corrosion. Overall, the choice between 304J2 and 316J2 stainless steel pipes depends on the specific application and the level of corrosion resistance required. While 304J2 is suitable for general use in mildly corrosive environments, 316J2 is preferable for applications where exposure to more aggressive conditions is expected.
Q:304 stainless steel has several advantages, a few big advantages, the more concrete the better
304 stainless steel advantages:1. environmental sanitation: put an end to red water, blue green water, and hidden water problems, no peculiar smell, no harmful substances, keep the water quality pure, lead free, harmless to human health.2., wear resistance: beautiful surface, clean and bright, long lasting, no scratches, never rust, never break. 3., low temperature: kitchen, bathroom, stainless steel water pipe, faucet angle valve will never break.4., thermal expansion and excellent insulation performance: stainless steel tube has expansion, cold contraction, slow insulation performance.5. authority certification: stainless steel metal element precipitation than WHO and European drinking water act standard value of 5% is still lower.
Q:What is the working temperature range for stainless steel pipes?
The specific grade of stainless steel used determines the working temperature range for stainless steel pipes. Stainless steel pipes are generally capable of withstanding a wide range of temperatures, from extremely low to high temperatures. For pipe applications, the most commonly used austenitic stainless steel grades, such as 304 and 316, typically have a working temperature range from -196°C (-320°F) to 816°C (1500°F). These grades have excellent heat resistance and can maintain their strength and corrosion resistance even at elevated temperatures. However, it's important to note that the working temperature range can vary depending on the specific alloy composition and application requirements. Specialized stainless steel grades like duplex or super duplex stainless steels may have different temperature limits due to their unique characteristics. To determine the specific working temperature range for a particular grade of stainless steel pipe, it is always recommended to consult the manufacturer's specifications and guidelines. Additionally, factors such as pressure, corrosive environment, and thermal cycling should be considered when determining the appropriate working temperature range for stainless steel pipes.
Q:What is the external insulation used for stainless steel pipes?
Various materials like mineral wool, fiberglass, or foam are commonly utilized for the external insulation of stainless steel pipes. These insulating materials are applied to the outer surface of the pipes, serving the purpose of thermal insulation and safeguarding against heat loss or gain. By doing so, the insulation aids in sustaining the desired temperature of the fluid or substance flowing through the pipes, thereby preventing condensation and minimizing energy loss. Moreover, the external insulation acts as a barrier against corrosion and mechanical harm, guaranteeing the durability and effectiveness of the stainless steel pipes.
Q:How do you protect stainless steel pipes from internal corrosion?
One effective way to protect stainless steel pipes from internal corrosion is by utilizing a corrosion inhibitor. Corrosion inhibitors are chemicals that can be added to the fluid flowing through the pipes to create a protective layer on the inner surface of the pipe. This layer acts as a barrier, preventing the corrosive agents in the fluid from coming into direct contact with the stainless steel. There are various types of corrosion inhibitors available, and the selection depends on the specific application and the fluid being transported. Some common corrosion inhibitors include organic inhibitors, which form a protective film on the pipe surface, and inorganic inhibitors, which react with the corrosive agents to form less harmful compounds. Another method to protect stainless steel pipes from internal corrosion is by using cathodic protection. Cathodic protection involves connecting the stainless steel pipe to a sacrificial anode made of a more reactive metal, such as zinc or aluminum. This creates a galvanic cell, where the anode corrodes instead of the stainless steel pipe. By sacrificing the anode, the pipe is effectively protected from internal corrosion. Regular maintenance and inspection are also crucial in preventing internal corrosion. It is essential to monitor the condition of the pipes, identify any signs of corrosion or damage, and promptly address any issues. Flushing the pipes with clean water or appropriate cleaning solutions can help remove any deposits or contaminants that could contribute to corrosion. Furthermore, maintaining proper fluid composition and pH levels is vital to prevent internal corrosion. In some cases, adjusting the fluid's pH or adding corrosion inhibitors specific to the fluid being transported can significantly reduce the risk of corrosion. Overall, a combination of corrosion inhibitors, cathodic protection, regular maintenance, and appropriate fluid management can effectively protect stainless steel pipes from internal corrosion, ensuring their longevity and optimal performance.
Q:How do you clean and maintain stainless steel pipes?
To clean and maintain stainless steel pipes, start by wiping them down with a mild detergent or soap and warm water using a soft cloth or sponge. Rinse thoroughly and dry with a clean cloth to prevent water spots. Avoid using abrasive cleaners or scrub brushes that can scratch the surface. Regularly inspect the pipes for any signs of corrosion, staining, or damage, and promptly address any issues to prevent further deterioration. Additionally, applying a stainless steel cleaner or polish can help remove stubborn stains and restore the shine of the pipes.
Q:Can stainless steel pipes be used for wastewater treatment?
Yes, stainless steel pipes can be used for wastewater treatment. Stainless steel is a corrosion-resistant material that offers various benefits for wastewater treatment applications. It is highly durable and can withstand exposure to harsh chemicals and abrasive materials commonly found in wastewater. Stainless steel pipes are also resistant to rust, which ensures a longer lifespan and minimizes the risk of pipe failure. Additionally, stainless steel is inert and non-reactive, making it suitable for transporting and containing different types of wastewater without contamination. Its smooth surface prevents the buildup of deposits and biofilm, reducing the risk of clogging and allowing for efficient flow of wastewater. Overall, stainless steel pipes are a reliable and sustainable option for wastewater treatment systems.
Q:How much more expensive is 304 stainless steel than 201?
304 now it's about 20000 yuan a ton, and 201 is about 15000 tons.
Q:Can stainless steel pipes be used for sewage systems?
Yes, stainless steel pipes can be used for sewage systems. Stainless steel is highly resistant to corrosion and can withstand the harsh conditions and chemicals found in sewage. It also has a smooth surface, which helps prevent the buildup of waste and reduces the risk of clogging. Additionally, stainless steel pipes are durable and long-lasting, making them a reliable choice for sewage systems.

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