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Mar 19, 2026
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Wenzhou Sinco Steel Co., Ltd.
Available today 30 times  |  Sent times  |  Remaining times
Model NO. Pipe
Material Stainless Steel
Surface Treatment Polished
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape Round
End PE
Wall Thickness 0.5mm-150mm
Length Customized by Client and Typically 6000mm;
Delivery Time 15-50days
Certs ABS,Nr,Dnv,CCS,TUV etc
Standard AISI, ASTM, DIN, JIS, GB
Material Grade 304h 316 316L 316h 321 321H 317L 347 347H 310S
Transport Package Nylon Bags or Wooden Box
Specification 6MM~630MM
Trademark SINCO
Origin China
HS Code 7304419000
Production Capacity 2000ton/Month

Stainless steel seamless pipes have gained significant attention in various industries due to their numerous advantages and wide range of applications. With their exceptional strength, durability, and resistance to corrosion, stainless steel seamless pipes have become a preferred choice for various applications, including oil and gas, chemical processing, automotive, and construction.

We will also highlight the key benefits of these pipes, such as their ability to withstand high pressure and temperature conditions, seamless construction for improved flow, and reduced risk of leakage. By understanding the prospects and versatility of stainless steel seamless pipes, businesses and industries can make informed decisions regarding their usage, ultimately leading to enhanced efficiency and performance.
 

NameFood grade ASTM/JIS/DIN 304/321/904L hot rolled Stainless Steel seamless heat exchanger welded 2b/Ba round 316 Tube for oil or gas pipeline (hydraulic test)  StandardAISI, ASTM, DIN, JIS, GB Material Grade304h 316 316L 316h 321 321H 317L 347 347H 310S Outer Diameter6-630mm Thickness0.5mm - 150mm Length5.8-6.1 m or as customers' request ToleranceAcording to the Standard. Surface Annealing /Pickling/Polished/Mirror finish etc TestUT, ET, HT, RT,etc, and others according to the standard,or as the requests of the customers CertificateTUV,ABS,CCS,DNV,LR,BV etc Delivery Time15-50Days, Depends on quantity

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards
Advantages of Stainless Steel Seamless Pipes 
Stainless steel seamless pipes have become a popular choice in various industries due to their numerous advantages. These pipes are made from high-quality stainless steel, which offers exceptional strength, durability, and resistance to corrosion. One of the key advantages of stainless steel seamless pipes is their seamless construction. Unlike welded pipes, seamless pipes are made by piercing a solid billet of steel and then rolling it into a seamless tube. This seamless construction eliminates the need for any welding, resulting in a smoother interior surface and better flow efficiency.

Another advantage of stainless steel seamless pipes is their ability to withstand high temperatures and pressure. These pipes are commonly used in industries that require the transportation of fluids and gases at extreme conditions. The seamless construction ensures that the pipes can handle the stress and pressure without any leaks or failures. Additionally, stainless steel is known for its heat resistance, making it suitable for applications where the pipes are exposed to high temperatures.Stainless steel seamless pipes are also highly resistant to corrosion. This is due to the presence of chromium in the steel, which forms a protective layer on the surface of the pipes. This layer acts as a barrier against corrosive elements, such as water, chemicals, and environmental factors. As a result, stainless steel seamless pipes have a longer lifespan compared to other types of pipes, reducing the need for frequent replacements and maintenance.

Furthermore, stainless steel seamless pipes offer excellent hygiene and cleanliness. The smooth interior surface of these pipes prevents the accumulation of bacteria, making them suitable for applications in the food and beverage industry, pharmaceutical industry, and medical facilities. The resistance to corrosion also ensures that there is no contamination of the transported fluids or gases, maintaining the integrity of the products being transported.
 


Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards



Polished Alloy Steel Pipe for Oil & Gas with ASTM/En StandardsPolished Alloy Steel Pipe for Oil & Gas with ASTM/En StandardsPolished Alloy Steel Pipe for Oil & Gas with ASTM/En StandardsPolished Alloy Steel Pipe for Oil & Gas with ASTM/En StandardsPolished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards



Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

WENZHOU SINCO STEEL CO., LTD. is one of the leading manufacturer and exporter  for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings,flanges, valves etc to our customers home and abroad. 

We manufacture strictly as per the standard, We have mechanical properties test machine, supersonic testing machine, eddying current test machine, hydrostatic test machine, and spectrum analyzer for chemical composition.etc equipment to insure manufacturing processes and inspection and final quality guarantee.   

  
We welcome customers themselves and/or their appointed third party inspection such as SGS,BV,MOODY, LIoyd's,TUV,DNV Etc well-known third party to conduct the inspection to our company and our products. 


Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards

Polished Alloy Steel Pipe for Oil & Gas with ASTM/En Standards
 

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