• Non-secondary API Stainless Steel Pipe Made in China System 1
  • Non-secondary API Stainless Steel Pipe Made in China System 2
Non-secondary API Stainless Steel Pipe Made in China

Non-secondary API Stainless Steel Pipe Made in China

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
5000 m.t./month

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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Thickness:
4mm-600mm
Length:
5m-12m
Net Weight:
0.019MT

 Non-secondary API Stainless Steel Pipe Made in China

1.Structure of Stainless Steel Pipe

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

2.‍‍Main Features of the Stainless Steel Pipe :

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3.Stainless Steel Pipe Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

8 - 33 mm

Section Shape

Round

Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

4. Packing and Delivery:

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

50-60days after received 30%TT or Original LC

 

5. FAQ of Stainless Steel Pipe

A. How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

B. How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

C. Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

Any question, pls feel free to contact us !

 

6.‍‍Stainless Steel Pipe Images

 

Non-secondary API Stainless Steel Pipe Made in China

Non-secondary API Stainless Steel Pipe Made in China

 

 7. Company Information:

CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.

Non-secondary API Stainless Steel Pipe Made in China 

 

 

Q:How do you measure the thickness of a stainless steel pipe?
One common method to measure the thickness of a stainless steel pipe is by using a caliper or a micrometer. These tools allow you to accurately measure the outer diameter and inner diameter of the pipe. By subtracting the inner diameter from the outer diameter, you can determine the wall thickness of the pipe.
Q:What are the different types of stainless steel pipe reducers?
On the market, there exists a variety of stainless steel pipe reducers. Some commonly found types are: 1. Concentric Reducers: These reducers possess a symmetrical design and facilitate the connection of pipes with varying diameters while maintaining a straight flow. They are primarily employed when a gradual reduction in pipe size is necessary. 2. Eccentric Reducers: In contrast to concentric reducers, eccentric reducers feature an offset design. They are used to connect pipes with different diameters while altering the centerline of the pipe. This type of reducer is often utilized when preventing the entrapment of air or fluids within the piping system is necessary. 3. Swage Reducers: Swage reducers, a unique kind of reducer, are employed to connect pipes with different diameters, especially in high-pressure applications. They find common usage in industries such as oil and gas, as well as chemical plants, where a smooth transition between various pipe sizes is required. 4. Threaded Reducers: These reducers possess threaded ends, enabling them to be screwed onto pipes. They are commonly employed in applications where a secure and leak-proof connection is imperative, such as in plumbing or gas systems. 5. Welded Reducers: Welded reducers are specifically designed to be welded onto pipes. They are frequently utilized in applications where strength and durability are essential, such as in industrial settings or high-pressure systems. 6. Socket Weld Reducers: Similar to welded reducers, socket weld reducers have a socket at one end, making it simple to connect them to pipes using a socket weld joint. They are commonly employed in applications where a robust and reliable joint is necessary. To ensure a proper and efficient connection between pipes of different sizes, it is crucial to select the appropriate type of stainless steel pipe reducer based on the specific application and requirements.
Q:What is the difference between seamless and high-frequency welded stainless steel pipes?
Seamless and high-frequency welded stainless steel pipes are two different types of pipes used in various applications. Seamless stainless steel pipes are manufactured through a process called seamless pipe manufacturing, where a solid billet is heated and pierced to form a hollow tube. This process ensures that there are no seams or joints in the pipe, making it ideal for applications that require high pressure, high temperature, or corrosive environments. Seamless pipes offer superior strength and reliability due to their uniform composition and absence of welding. On the other hand, high-frequency welded stainless steel pipes are manufactured using a different process known as high-frequency welding. This process involves passing a flat strip of stainless steel through a series of rollers to form a tube shape. The edges of the strip are then heated using high-frequency electrical currents and fused together to create a solid pipe. The resulting pipe has a visible welded seam along its length. While both seamless and high-frequency welded stainless steel pipes are made from stainless steel, there are some differences between them. One major difference is the manufacturing process. Seamless pipes are made without any welding, resulting in a pipe with no seams or joints. High-frequency welded pipes, on the other hand, have a visible welded seam along their length. Another difference is in their strength and reliability. Seamless pipes have a more uniform composition and absence of welding, which gives them higher strength and reliability compared to high-frequency welded pipes. This makes seamless pipes more suitable for applications that require high pressure, high temperature, or corrosive environments. Additionally, the production cost of seamless pipes is generally higher than that of high-frequency welded pipes. The seamless pipe manufacturing process requires more complex machinery and additional steps, leading to higher production costs. High-frequency welded pipes, on the other hand, involve a simpler and more cost-effective manufacturing process. In summary, the main difference between seamless and high-frequency welded stainless steel pipes lies in their manufacturing process, strength, and cost. Seamless pipes are made without any welding, offering higher strength and reliability, but at a higher cost. High-frequency welded pipes have a visible welded seam but are more cost-effective. The choice between the two types of pipes depends on the specific requirements of the application and the budget available.
Q:Can stainless steel pipes be used for underground drainage systems?
Indeed, underground drainage systems can utilize stainless steel pipes. Stainless steel proves to be a robust and corrosion-resistant substance capable of enduring the harsh conditions commonly encountered beneath the surface, encompassing moisture, soil chemicals, and fluctuating temperatures. Furthermore, stainless steel pipes exhibit resistance to rust, a prevalent issue faced by alternative pipe materials. Moreover, their extended lifespan and minimal maintenance demands render stainless steel pipes a fitting selection for underground drainage systems.
Q:How do stainless steel pipes compare to ductile iron pipes?
When it comes to comparing stainless steel pipes to ductile iron pipes, there are several factors that need to be taken into consideration. To begin with, stainless steel pipes possess a greater resistance to corrosion in comparison to ductile iron pipes. This is attributed to the presence of chromium in stainless steel, which creates a protective layer on the pipe's surface, preventing rust and corrosion. Conversely, ductile iron pipes are more susceptible to corrosion and may require additional coatings or linings for protection. Moreover, stainless steel pipes exhibit a higher strength-to-weight ratio than ductile iron pipes. This implies that stainless steel pipes can withstand higher pressure and have a longer lifespan, thereby making them more durable and dependable. While ductile iron pipes are also strong, they are generally heavier, which can pose challenges during installation. Another crucial aspect to consider is the cost. Typically, stainless steel pipes tend to be more expensive than ductile iron pipes, primarily due to the higher cost of raw materials and manufacturing processes involved. However, the longer lifespan and reduced maintenance requirements of stainless steel pipes can offset this initial cost, making them a cost-effective choice in the long term. In terms of versatility, stainless steel pipes offer greater flexibility in terms of design and application. They can be easily welded, bent, and fabricated to meet specific requirements. In contrast, ductile iron pipes have limited flexibility and are mainly used for underground water and sewage systems. Overall, both stainless steel and ductile iron pipes have their own set of advantages and disadvantages. The decision between the two will depend on factors such as the specific application, budget, and desired lifespan.
Q:Can stainless steel pipes be used for geothermal systems?
Yes, stainless steel pipes can be used for geothermal systems. Stainless steel is a highly durable and corrosion-resistant material, making it suitable for the harsh conditions of a geothermal system. Geothermal systems involve the transfer of heat from the earth's core to the surface, which often requires the circulation of hot water or steam. Stainless steel pipes can effectively handle the high temperatures and pressure associated with geothermal systems without corroding or degrading over time. Additionally, stainless steel is resistant to scaling and mineral build-up, which can be common in geothermal systems. Overall, the use of stainless steel pipes ensures the longevity and efficiency of geothermal systems.
Q:What is the difference between seamless and spiral welded stainless steel pipes?
When comparing seamless and spiral welded stainless steel pipes, the key distinction lies in their manufacturing process and structural characteristics. Seamless stainless steel pipes are formed by piercing a solid billet or bar of stainless steel and then rolling it into a hollow shape. This method does not involve any welding and produces a smooth and seamless pipe. Seamless pipes are commonly utilized in high-pressure and high-temperature applications where strength and corrosion resistance are crucial. They are renowned for their uniformity, precision, and ability to withstand extreme conditions. In contrast, spiral welded stainless steel pipes are manufactured by continuously rolling and welding a coiled strip of stainless steel. The strip is shaped into a spiral and then welded along the seam. This process allows for the production of large diameter pipes and is more cost-effective compared to seamless pipes. Spiral welded pipes are frequently employed in low-pressure and low-temperature applications like water and gas transportation, as they are less resistant to internal pressure and have a rougher surface compared to seamless pipes. Regarding structural characteristics, seamless stainless steel pipes possess a more consistent and uniform wall thickness, resulting in enhanced strength and durability. They also exhibit better dimensional accuracy and smoother internal surfaces, reducing friction and improving flow efficiency. These qualities make seamless pipes suitable for industries such as oil and gas, petrochemicals, and power generation, where reliability and performance are of utmost importance. On the other hand, spiral welded stainless steel pipes have a varying wall thickness due to the welding process, which can result in a weaker pipe compared to seamless ones. However, spiral welded pipes have the advantage of being able to withstand higher external pressures and bending forces due to their spiral shape. They are also easier to manufacture and can be produced in longer lengths, reducing the need for additional joints and connections. In conclusion, the choice between seamless and spiral welded stainless steel pipes depends on the specific requirements of the application. Seamless pipes offer superior strength, precision, and corrosion resistance, making them suitable for high-pressure and high-temperature applications. On the other hand, spiral welded pipes are more cost-effective, can be produced in large diameters, and are suitable for low-pressure and low-temperature applications.
Q:What is the difference between double random length and single random length stainless steel pipes?
Double random length stainless steel pipes differ from single random length stainless steel pipes in their dimensions and lengths. Double random length pipes are cut in random lengths that are twice the size of single random length pipes. In contrast, single random length pipes are cut in random lengths without any specific multiple. The purpose of utilizing double random length pipes is to accommodate longer sections of piping in industries that necessitate extended lengths. These pipes are typically employed in applications involving high pressure or temperature, such as oil and gas pipelines or petrochemical plants. On the other hand, single random length pipes are more frequently utilized for general-purpose applications where shorter lengths suffice. They are commonly used in plumbing, HVAC systems, or smaller industrial settings. To summarize, the primary distinction between double random length and single random length stainless steel pipes lies in their length. Double random length pipes are twice as long as single random length pipes and are employed in industries requiring lengthier sections of piping, while single random length pipes are more commonly used for general-purpose applications.
Q:Can stainless steel pipes be used for desalination systems?
Yes, stainless steel pipes can be used for desalination systems. Stainless steel is highly resistant to corrosion and can withstand the harsh conditions involved in desalination processes, such as high salinity and the presence of chemicals. Its durability and resistance to corrosion make it an ideal material choice for transporting and distributing desalinated water.
Q:Are stainless steel pipes resistant to sulfide stress corrosion cracking?
Generally, stainless steel pipes exhibit resistance to sulfide stress corrosion cracking (SSC). This is due to the high chromium content in stainless steel, which leads to the formation of a protective oxide layer on the material's surface. This oxide layer acts as a barrier against corrosive substances, including sulfides, preventing their penetration into the steel. Furthermore, stainless steel pipes are often alloyed with other elements such as molybdenum and nickel, which further enhance their corrosion resistance. However, it is crucial to note that the degree of resistance to SSC can vary based on the specific grade and composition of stainless steel utilized. Consequently, it is vital to select the appropriate stainless steel grade specifically designed to withstand sulfide stress corrosion cracking in the desired application.

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