Hebei Yongqiang Pipeline Co., Ltd is a professional steel pipe supplier integrating R&D, production, and sales. Our products include Austenitic Stainless Steel Pipe, Duplex Stainless Steel Pipe, Alloy Steel Pipe, Casing Steel Pipe, Steel Pipe Fittings, Steel Flanges, etc.
Why Choose Us
Sales Market
Our company's business covers the Middle East, North Africa, South America, Southeast Asia, Central America and other regions, with an annual export value of more than 10 million US dollars.
Our Products
We offer a range of high-quality steel products, including Austenitic Stainless Steel Pipes, Alloy Steel Pipes, Casing Steel Pipes, and Steel Flanges. These products are designed to meet a variety of industrial needs.
Our Service
Our company can provide 24-hour service to discuss product parameters, prices, delivery dates, transportation and other details with customers.
Solution
If it is confirmed that the quality loss is caused by us, we will reissue the unqualified product or make a cash compensation.
Types of Stainless Steel Pipes
Basic Pipes: The most popular and widely used form of stainless steel pipe on the market are standard stainless steel pipes. Because it offers great resistance to weather, chemicals, and corrosion, stainless steel 304 and 316 are used for applications in typical contexts in houses, buildings, etc. for ornamental purposes.
Hydraulic Line Pipe: Small-diameter gasoline lines and hydraulic systems both employ this type of Pipe. These Pipes are incredibly strong and corrosion-resistant since they are composed of stainless steel in the 304L or 304 versions.
Aircraft Stainless Steel Pipes: Stainless Steel Pipes made of nickel and chromium are utilized in all aircraft applications because it is both heat- and corrosion-resistant. Stainless Steel with low carbon is preferred for welded stainless steel Pipes and components.
Pressure Stainless Steel Pipes: Pressure stainless pipes are designed to withstand intense pressure and heat. They can be welded to specific specifications and have a large diameter. These pipes are constructed from an austenitic and ferritic type of steel, also known as a nickel-chromium alloy or solid chromium.
Mechanical Pipe: Stainless Steel Mechanical Pipes are utilized in bearing and cylinder applications. For applications requiring mechanical pipes, grades ASTMA511 and A554 are typically used.
Surface Treatment Of Stainless Steel
Chemical method
Degreasing with an alkaline solution, pickling with an acid solution, dissolving grease, and descaling with an organic solvent.
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Mechanical method
Use a polisher or other machine to remove surface roughness.
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Electrochemical Process
Use electrochemistry to remove oil and perform electrochemical etching.
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Sandblasting treatment
Suitable for extensive area treatment, with the effect of decontamination and scale removal.
04
Rolling light
Centrifugal rolling light, centrifugal disc light, rotating light, suitable for small pieces with flattening and rust removal effect.
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Material: Stainless steel (typical grades such as 304, 316, 316L, 2205, etc.)
Dimensions: Outer Diameter (OD) x Wall Thickness (WT) x Length
Standard: ASTM, ASME, EN, DIN, JIS, or other international standards
Manufacturing method: Seamless or welded
Surface treatment: Annealing, pickling, polishing, etc.
Application: Industry, construction, automobile, etc.
Oil and Gas Industry
Stainless steel pipes play a crucial role in the transportation of oil, gas, and petrochemical goods. The inherent ability of these compounds to resist corrosion plays a crucial role in safeguarding their safety and maintaining their structural integrity throughout transportation.
Construction and Architecture
Stainless steel pipes play a vital role in providing essential structural support, hence maintaining the stability and safety of various architectural and engineering structures such as buildings, bridges, and other similar constructions.
Food and Beverage Industry
Stainless steel pipes play a crucial role in upholding sanitary conditions throughout the handling and conveyance of food items. These objects possess a high level of cleanliness and exhibit a strong resistance to contamination.
Pharmaceutical Industry
The maintenance of a sterile environment is of utmost importance in the field of pharmaceutical manufacture, particularly in relation to hygienic and sterile processing. Stainless steel pipes are widely employed in the transportation and processing of pharmaceutical items, mostly due to their sanitary characteristics.
Automotive Industry
Stainless steel pipes are commonly employed in exhaust systems owing to their exceptional resistance to high temperatures and corrosion. This utilisation serves to augment the overall longevity and functionality of the system.
Water Treatment and Desalination
The utilisation of stainless steel pipes is crucial in the realm of water transportation and distribution, primarily owing to their exceptional resistance to corrosion and contaminants. This attribute plays a pivotal role in safeguarding the provision of a secure and uncontaminated water supply.
Power Generation
Stainless steel pipes are commonly employed in power plants for the distribution of steam and gas, owing to their exceptional capacity to endure elevated temperatures and pressures.
Welding Style Of Stainless Steel Pipe And Tube
Argon Arc Welding
Stainless steel welded pipes require deep penetration, do not contain oxide inclusions, the heat affected zone is as small as possible, and Tungsten arc welding with tungsten inert gas has good adaptability, high welding quality and good penetration performance. It is widely used in chemical, nuclear and food industries.
The combination of argon arc welding and plasma welding can weld larger thickness steel pipes. In addition, 5-10% hydrogen in argon, and then using high-frequency pulse welding power, can also improve the welding speed.
High frequency welding
Frequency welding has a higher power than the power supply, and can achieve higher welding speeds for steel pipes of different materials and outer wall thicknesses. Compared with argon arc welding, it is more than 10 times its maximum welding speed.
Combined welding
The combined welding methods are: argon arc welding plus plasma welding, high frequency welding plus plasma welding, high frequency preheating plus three torch argon arc welding, high frequency preheating plus plasma plus argon arc welding.
The combination welding improves the welding speed very significantly. For high-frequency preheating combined welded steel pipes, the quality of welding seams is equivalent to that of conventional argon arc welding and plasma welding, and the welding operation is simple. The entire welding system is easy to automate. Low cost and good benefits.
Testing Of Stainless Steel Pipes
Appearance inspection is the most basic inspection work. By visually inspecting the surface of stainless steel pipes, you can initially judge whether its quality is qualified.
Analysis Chemical composition analysis is one of the important methods to evaluate the quality of stainless steel pipes. Stainless steel pipes of different brands and specifications have different chemical composition requirements. Checking the accuracy of the chemical composition can determine whether the stainless steel pipe meets the standard requirements.
Testing Mechanical property testing is one of the important means to evaluate the quality of stainless steel pipes. Common mechanical performance indicators include tensile strength, yield strength, elongation, etc. By conducting tension, compression, and other tests on standard testing equipment, the mechanical performance parameters of stainless steel pipes can be obtained and compared with standard requirements.
Non-destructive testing is a method that can assess the quality of stainless steel pipes without damaging them. Common non-destructive testing methods include ultrasonic testing, radiographic testing, and eddy current testing.
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FAQ
We're professional stainless steel pipe and tube manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy or wholesale high-grade stainless steel pipe and tube from our factory.
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