STAINLESS STEEL PIPE CHEAP and GOOD QUALITY from CHINA

STAINLESS STEEL PIPE CHEAP and GOOD QUALITY from CHINA

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 1000 m.t./month

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1，the breif description of the cheap and good quality stainless steel pipe

STAINLESS STEEL PIPE CHEAP and GOOD QUALITY from CHINA

2,our advantage and specifications

1. Our company has been dedicated to producing stainless steel seamless pipe since 2003, owning complete producing technology and abundant managing experience.

2. The raw material such as mother tube, round bar we use is from Chinese biggest and well-known steel mill: Walsin Steel and Yongxing Steel.

3. We have advanced NDT equipments for the tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on.

4. We have ISO 9001 and PED certificate, and the Third Party Inspection Certificates such as TUV, BV, Lloyd’s, SGS, etc, also can be provided according to customers’ requirements,

5. Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packed in bundles is also welcomed by some customers.

6. The tolerance control we use is D4/T4 (+/-0.1mm) on both inside and outside Diameter and Wall Thickness, which is much higher than international standard ASTM, DIN.

7. The surface condition is one of our main advantages: in order to meet different requirements for surface condition, we have annealing and pickling surface, bright annealing surface, OD polished surface, OD & ID polished surface etc.

8. In order to keep the inside surface of pipe clean and make it free from deburring, our company develops the unique and special technology --- Sponge Washing with high pressure.

9. We have complete after-sale service to deal with the problems in time.

STAINLESS STEEL PIPE CHEAP and GOOD QUALITY from CHINA

3,Stainless steel maintenance:

(1) Regular cleaning and maintenance

(2) Pay attention to prevent the occurrence of the phenomenon of surface scratches

(3) Use soap, weak detergent or warm water to remove surface dust, dirt

(4) In addition to the surface of the binder with alcohol or an organic solvent (ether, benzene)

(5) Use neutral detergent or ammonia solution in addition to surface oil

(6) With 10% nitric acid or abrasive detergent in addition to the surface of the embroider caused by the dirt.

4,FAQ

1. Q: What are your advantageous Products?

A: We specialized in 400 series cold rolled stainless steel coils and plates. Our main products are 430, 410S and 409L.

We also supply stainless steel strips and strips in coil as requested.

2. Q: Can you make DDQ ( Deep Drawing Quality)?

A: Yes, we can. Our material can be used for stainless steel pots, stainless steel sinks, stainless steel bowls etc. U can tell us your usage, and we will adjust the mechanical propertise to meet your requirement.

Q: Can stainless steel pipes be used for pharmaceutical processing equipment?: Indeed, pharmaceutical processing equipment can utilize stainless steel pipes. The pharmaceutical industry highly favors stainless steel as it boasts exceptional resistance to corrosion, long-lasting durability, and effortless cleaning. Its ability to withstand chemicals, corrosion, and high temperatures renders it suitable for the manipulation and conveyance of a diverse range of pharmaceutical substances. Furthermore, stainless steel pipes possess a sleek surface that diminishes the likelihood of contamination and facilitates effortless cleansing and sterilization. In conclusion, stainless steel pipes find extensive use in pharmaceutical processing equipment, guaranteeing the integrity and excellence of pharmaceutical products.

Q: What are the categories of stainless steel pipes with acid and alkali resistance?: According to corrosion resistance, stainless steel has different alloy composition, commonly used there are ten kinds. According to the composition, roughly classified as chromium and chromium nickel, low carbon and ultra low carbon series.

Q: What is the maximum pressure that stainless steel pipes can handle?: The maximum pressure that stainless steel pipes can handle depends on various factors such as the grade of stainless steel, the pipe's dimensions, the temperature of the fluid being transported, and the specific application of the pipe. Stainless steel pipes are known for their high strength and corrosion resistance, making them suitable for a wide range of applications where pressure is a concern. The most commonly used stainless steel grades for pipes are 304 and 316, which have different mechanical properties and maximum pressure ratings. For instance, type 304 stainless steel pipes have a maximum pressure rating of around 14,000 psi (pounds per square inch) at room temperature. However, this rating can vary depending on the pipe's wall thickness and diameter. Thicker pipes with larger diameters can generally handle higher pressures. On the other hand, type 316 stainless steel pipes are known for their increased corrosion resistance, especially in environments with chloride ions. They have a slightly higher maximum pressure rating compared to type 304, usually around 15,000 psi at room temperature. It is essential to note that the maximum pressure rating decreases as the temperature of the fluid increases. Stainless steel's mechanical properties change with temperature, and its strength reduces as it gets hotter. Therefore, it is crucial to consider the maximum operating temperature and determine the appropriate pressure rating accordingly. Additionally, it is always recommended to consult relevant industry standards, codes, and regulations, such as ASME B31.3 for process piping or ASME B31.1 for power piping, as they provide detailed guidelines on the maximum pressure ratings for stainless steel pipes in various applications. To ensure the safety and reliability of stainless steel pipes under high-pressure conditions, it is advisable to consult with a qualified engineer or a specialist in stainless steel piping systems. They can evaluate the specific requirements of your application and provide accurate information regarding the maximum pressure that stainless steel pipes can handle.

Q: What is the difference between 310 and 316 stainless steel pipes?: The chemical composition and intended uses distinguish 310 and 316 stainless steel pipes. 310 stainless steel, with its higher chromium and nickel content, is an alloy highly resistant to oxidation and corrosion in high-temperature settings. It finds suitability in applications like furnace parts, heat exchangers, and other high-temperature industrial processes. In contrast, 316 stainless steel is a more versatile and widely used alloy due to its exceptional corrosion resistance. It contains a higher proportion of molybdenum, enhancing its resistance to pitting and crevice corrosion, particularly in chloride environments. This makes it suitable for applications in marine environments, chemical processing, and food processing industries. To summarize, while both 310 and 316 stainless steel pipes offer corrosion resistance, 310 stainless steel is specifically engineered for high-temperature applications, whereas 316 stainless steel is commonly employed for general corrosion resistance across diverse industries.

Q: What are the common applications of stainless steel pipes?: Due to their exceptional qualities, stainless steel pipes find widespread use across various industries. They are highly regarded for their corrosion resistance, durability, and ability to withstand high pressure and temperature. Here are some of the common applications of stainless steel pipes: 1. Plumbing and Water Systems: Stainless steel pipes are commonly employed in plumbing and water supply systems due to their ability to resist corrosion, durability, and capacity to handle high pressure and temperature. 2. Oil and Gas Industry: The oil and gas industry heavily relies on these pipes for the transportation of petroleum products. This is because stainless steel pipes exhibit high resistance to corrosion and possess excellent strength, enabling them to endure extreme temperatures and harsh conditions. Consequently, they prove ideal for offshore drilling and pipeline systems. 3. Food and Beverage Industry: The food and beverage industry extensively utilizes stainless steel pipes for the transportation of liquids and gases. These pipes are favored for their hygienic properties, resistance to corrosion, and ease of cleaning. They are frequently employed in dairy plants, breweries, and food processing units. 4. Pharmaceutical Industry: In the pharmaceutical industry, sterile conditions are essential when transporting chemicals, gases, and liquids. Stainless steel pipes are indispensable in this sector due to their corrosion resistance and capability to withstand high temperatures. 5. Construction and Architecture: Stainless steel pipes serve a multitude of purposes in construction and architecture, particularly for structural applications. They are utilized for handrails, balustrades, structural supports, and decorative elements. The aesthetic appeal, durability, and corrosion resistance of stainless steel pipes make them highly sought after. 6. Automotive Industry: The automotive industry relies on stainless steel pipes for numerous applications, including exhaust systems, fuel lines, and structural components. The high temperature resistance and durability of stainless steel make it a suitable choice for these demanding tasks. 7. Chemical Industry: The chemical industry extensively employs stainless steel pipes for the transportation of corrosive chemicals and gases. Their resistance to corrosion and ability to withstand high temperatures make them well-suited for chemical processing plants and refineries. 8. Marine Industry: The marine industry extensively utilizes stainless steel pipes due to their ability to resist corrosion caused by saltwater. They are crucial components in shipbuilding, offshore platforms, and underwater pipelines. Overall, stainless steel pipes are invaluable in industries that prioritize corrosion resistance, high temperature resistance, durability, and hygiene. Their versatility and reliability have made them the preferred choice across various industries worldwide.

Q: What wire is used for welding of 316 stainless steel line?: Apply A102 (E308-16) or A202 (E316-16) welding rodAttention should be summarized as follows: welding rod should be dry, low current, fast welding speed, interlayer temperature of about 60 degrees, intermittent welding, in order to avoid intergranular corrosion, immediately after welding water cooling.

Q: Are stainless steel pipes resistant to chlorine corrosion?: Yes, stainless steel pipes are highly resistant to chlorine corrosion.

Q: Are stainless steel pipes suitable for chemical refineries?: Yes, stainless steel pipes are suitable for chemical refineries. Stainless steel is known for its excellent corrosion resistance properties, making it ideal for handling corrosive substances in chemical refineries. These pipes are highly resistant to chemical attack, even in aggressive and high-temperature environments, which is crucial in the refining process. Additionally, stainless steel pipes are durable and can withstand the high-pressure conditions often found in refineries. They also have high tensile strength, ensuring the integrity and safety of the piping system. Moreover, stainless steel pipes are easy to clean and maintain, which is essential for maintaining the purity and quality of the refined chemicals. Overall, stainless steel pipes are a reliable and efficient option for transporting chemicals in chemical refineries.

Q: What is the difference between 304J8 and 316J8 stainless steel pipes?: The difference between 304J8 and 316J8 stainless steel pipes lies primarily in their composition and specific properties. 304J8 stainless steel is a widely used grade known for its excellent corrosion resistance, especially against acidic and chloride environments. It contains a higher percentage of chromium (around 18-20%) and nickel (around 8-10.5%), which contribute to its corrosion resistance and durability. This grade is suitable for various applications such as food processing, chemical industries, and architectural structures. On the other hand, 316J8 stainless steel is an upgraded version of 304J8 with additional alloying elements. It contains a higher percentage of chromium (around 16-18%), nickel (around 10-14%), and molybdenum (around 2-3%). The addition of molybdenum enhances its resistance against pitting and crevice corrosion, making it more suitable for marine environments or areas with high chloride exposure. Consequently, 316J8 stainless steel pipes are commonly used in seawater applications, chemical processing plants, and coastal structures. In summary, the key difference between 304J8 and 316J8 stainless steel pipes is the presence of molybdenum in the latter, which provides superior resistance to pitting and chloride corrosion. While both grades offer excellent corrosion resistance, the choice between them depends on the specific environment and application requirements.