Stainless Steel Pipe
Your Professional Stainless Steel Pipe Supplier！
Zhejiang Mingli Pipe Industry Co., Ltd. was established in 1994 and has more than 30 years of experience in the production and processing of stainless steel pipes,it is a leading domestic professional supplier of stainless steel pipes and fittings.
Large Production Scale
Our factory covers an area of 10,000+㎡, with 60+ production equipment, 70+ sets of supporting molds, 800+ tons of standing inventory in the factory, and an annual production capacity of 5,000+ tons.
Various Production Standards
Our company's pipe products are produced in accordance with American standards ASTM A733/A865, German standards DIN2982/DIN2986, British standards BS EN10241, and Japanese standards JISB2302.
Sold Overseas
Our products are exported to Israel, Germany, Italy, South Korea, the United States, the Middle East, Canada, France and other countries, and are well received by customers.
Quick Response
We promise to respond to your inquiries within 24 hours to ensure that you receive the information and support you need in a timely manner.
Features of Stainless Steel Pipe
Corrosion Resistance
The biggest feature of stainless steel pipes is their excellent corrosion resistance, especially in humid, marine environments and chemical media, and they are not easily corroded.
High Temperature Resistance
Some types of stainless steel pipes can withstand high temperatures and are suitable for high temperature working environments, such as chemical and petroleum refining fields.
Easy to Clean
Stainless steel pipes have a smooth surface, are not easy to adhere to dirt, and are easy to clean. They are often used in places with high hygiene requirements, such as food processing and medical equipment.
High Strength
Stainless steel has high tensile strength and yield strength, and can maintain good strength even in high temperature environments.
Aesthetics
Stainless steel has a smooth surface and good decorative effect, and can be used in construction, home appliances and other fields.
Recyclability
Stainless steel is a recyclable material that meets environmental protection requirements and can be reprocessed after use.
Connection Method of Stainless Steel Pipe
Welding
Use arc welding, gas shielded welding and other welding methods to connect the two ends of the stainless steel pipe together. The welding connection has high strength and is suitable for occasions with high pressure requirements.
Threaded Connection
Cut the thread at the end of the stainless steel pipe and connect it with nuts, bolts, etc. It is suitable for the connection of gas and liquid pipelines, and is convenient for disassembly and maintenance.
Flange Connection
Connect the two ends of the stainless steel pipe with the flange plate, and fix the two flange plates with bolts. It is suitable for large-diameter pipelines and occasions that require frequent disassembly.
Quick Connection
Use specific quick connectors to achieve quick disassembly and assembly, which is suitable for applications that require frequent replacement of pipelines.
Bonding
Use special stainless steel glue to connect the pipeline, which is suitable for some low-pressure occasions.
Clamp Connection
Use clamps to tighten the two ends of the pipeline. This method is easy to install and suitable for temporary or quick installation places.
Application of Stainless Steel Pipe
Building and Structure
Used for building structures, railings, stairs, support frames, etc. Due to its strength and corrosion resistance, stainless steel pipes are often used for load-bearing and decoration in buildings.
Oil and Gas
Used for transporting oil, natural gas and other energy substances, with good pressure resistance and corrosion resistance.
Heat Exchangers
Used in heat exchangers, stainless steel pipes excel in the field of heat exchange due to their thermal conductivity and corrosion resistance.
Furniture
Modern furniture design uses stainless steel pipes as frames and decorations, which are popular for their fashion sense and durability.
Medical Equipment
Stainless steel pipes are widely used in medical devices and equipment, such as surgical instruments, diagnostic equipment, etc., because they can meet strict hygiene standards.
Automobile and Aerospace
In the manufacture of automobiles and aircraft, stainless steel pipes are used in exhaust systems, cooling systems and structural parts because of their lightweight and high strength.
Chemical Industry
Used for transporting chemicals and corrosive liquids, stainless steel pipes can withstand a variety of chemicals and high temperature and high pressure environments.
Food and Medical Industry
Stainless steel pipes are used in food processing and pharmaceutical industries to transport liquids and gases, meet hygiene standards, and are easy to clean and disinfect.
Raw material preparation
Select stainless steel alloy materials that meet the standards, the common ones are 304, 316, etc.
Melting
The raw materials are melted in an electric arc furnace or induction furnace, and the appropriate amount of alloying elements are added to ensure that the composition of the molten steel meets the requirements.
Casting
The molten stainless steel is cast into ingots or plates, usually using a continuous casting process.
Hot rolling/cold rolling
Hot rolling: After the ingot is heated to a certain temperature, it is rolled through a hot rolling mill to form a preliminary pipe.
Cold rolling: The hot-rolled tube is further rolled at room temperature to improve the accuracy and surface quality of the tube.
Tube forming
The steel strip or steel tube is gradually formed into a tube of the required diameter and thickness through a round tube forming machine or other forming equipment.
Welding (for welded tubes)
The edges of the steel tube are welded together by high-frequency welding, submerged arc welding, etc.
Heat treatment
The stainless steel tube after welding or forming usually needs to be heat treated to eliminate internal stress and improve corrosion resistance and mechanical properties.
Cooling
After heat treatment, the pipe needs to go through a cooling process, usually water quenching or air cooling.
Surface treatment
The stainless steel pipe is subjected to surface treatments such as pickling and electrolytic polishing to improve the surface quality and enhance corrosion resistance.
Inspection and testing
The finished pipe is subjected to various inspections, such as water pressure testing, ultrasonic testing, chemical composition analysis, etc., to ensure that the quality meets the standards.
Packaging and delivery
The qualified stainless steel pipes are packaged and prepared for delivery to customers.
Preparation
Confirm that the stainless steel pipes used meet the requirements and standards of the project. Check the appearance of the pipes to ensure that there is no damage or rust.
Cutting Pipes
Use appropriate cutting tools (such as pipe cutters or saws) to cut stainless steel pipes. The cuts should be smooth to avoid burrs. Use a file to polish the cuts if necessary.
Cleaning
Clean the inner and outer surfaces of the pipes to ensure that there is no oil, dust or other impurities.
Insulation (If Necessary)
For pipes that need insulation, use appropriate insulation materials to wrap them.
Pipeline Connection
Choose the appropriate connection method (such as welding, clamping, threaded connection, etc.) as needed. If welding is used, ensure that the welding process meets the standards and conduct necessary inspections.
Fix the Pipe
Choose appropriate brackets or pipe clamps to fix the pipes to ensure their stability. Pay attention to the spacing and position of the pipe supports to avoid deformation or damage caused by the weight of the pipe or fluid pressure.
Pressure Pest
After the installation is completed, perform a pressure test to check for leaks. Ensure that the test specifications meet relevant regulations.
Certificate
Frequently Asked Questions
As one of the most professional stainless steel pipe manufacturers in China, we're featured by quality products and good service. Please rest assured to wholesale customized stainless steel pipe made in China here from our factory.
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