304 Seamless Stainless Steel Pipe

Size

The outer diameter of the pipe ranges from 4.0mm to 1219mm, while the wall thickness ranges from 0.5mm to 100mm. The length of the pipe varies from 6m to 12m, and the maximum length could be 18m. These are the specifications for the pipes that we offer, and we strive to ensure that the content we provide is as close to the original information as possible. We do not rely on ChapGPT-generated content, but rather use language models to generate entirely different content.

Process

Seamless, Cold Drawn, Cold Rolled, Hot Rolled

End

Let's talk about different types of pipe ends. Firstly, we have Plain End (PE), which means the pipe has no bevel or any other kind of end preparation. This type of end is commonly used for socket welding or thread connections.
Secondly, there is Beveled End (BE). This type of end is machined with a bevelled edge to aid in welding or other types of joint connections. The angle and shape of the bevel vary depending on the intended use, such as butt-welding or lap-joint welding.
Next, we have NPT or National Pipe Thread, which is a tapered thread used for creating leak-tight connections in plumbing and piping systems. It has a tapered thread that allows for a strong, tight seal, preventing leaks.
Finally, there is Butt Weld End (BW). This type of end is used for joining two pipes together by welding the butt ends of two pipes or fittings together.
Each of these different types of pipe ends has its own unique benefits and uses in various industries, depending on the type of piping system and application. It's important to choose the right type of pipe end based on the intended use to ensure efficient and effective operation of the system.

Surface

We offer assistance with pickling and polishing services, with various levels of polishing available such as 180#, 220#, 240#, 320#, 400#, and 600#. Our team ensures that your items receive the highest quality care, resulting in a polished finish that is sure to impress. Let us help bring out the shine in your products.

Theoretical Weight(kg/m)

The formula to calculate the weight per meter is as follows: multiply the difference between the outer diameter (OD) and wall thickness (WT) by the wall thickness (WT) and then multiply the result by 0.02507. It is important to note that both the OD and WT should be in millimeters.

Seamless pipes made of austenitic or super austenitic stainless steel are a popular choice in various industries. They offer exceptional corrosion resistance and high strength, making them suitable for demanding applications. These pipes are manufactured using advanced techniques to ensure a seamless and consistent structure.
Austenitic stainless steel is a type of stainless steel alloy that contains high levels of chromium and nickel. This composition provides excellent resistance to corrosion, even in harsh environments. These pipes are widely used in industries such as chemical, petrochemical, pharmaceutical, and food processing.
Super austenitic stainless steel takes the corrosion resistance to the next level by incorporating additional elements like molybdenum and nitrogen. This further enhances the performance of the pipes in corrosive environments with high chloride content, such as offshore oil and gas exploration.
The seamless manufacturing process eliminates the need for welding, resulting in a smooth and continuous pipe with no weak points or potential leakages. This makes the pipes highly reliable and efficient in carrying fluids and gases at high pressures and temperatures.
In addition to their excellent corrosion resistance, austenitic and super austenitic stainless steel seamless pipes also offer superior mechanical properties. They have high tensile strength and ductility, allowing them to withstand heavy loads and sudden temperature changes without deformation or failure.
The seamless pipes come in a range of sizes and dimensions to meet specific project requirements. They can be customized based on factors such as diameter, wall thickness, and length, ensuring a perfect fit for any application.
Overall, austenitic and super austenitic stainless steel seamless pipes are a top choice for industries that prioritize durability, corrosion resistance, and reliability. With their superior properties and seamless structure, they provide the ideal solution for various demanding applications.

，，。：
S31254, N08367, N08926, S32654, S31277, 904L, 347H, 314, 310H, 310S, 317L, 316Ti, 316LN, 316L, 316, 321H, 321, 304LN, 304L, 304H, 304.
，，。

One type of stainless steel seamless pipe is the Ferrite/Super Ferrite variety. This type of pipe is known for its exceptional durability and resistance to corrosion. Unlike other types of stainless steel, Ferrite/Super Ferrite steel contains a high percentage of ferrite, which makes it extremely strong and long-lasting.
These pipes are commonly used in the oil and gas industry, as well as in other applications where durability and resistance to corrosion are critical. They are also often used in applications where high temperatures are involved, as they can withstand extreme heat without degrading or becoming brittle.
If you're in the market for a stainless steel seamless pipe, it's worth considering the Ferrite/Super Ferrite variety. With its exceptional strength and durability, this type of pipe can provide long-lasting performance even under the most demanding conditions. So if you need a pipe that can stand up to tough environments and rigorous use, a Ferrite/Super Ferrite stainless steel seamless pipe may be just what you need.

：
TP446-1/TP446-2, S44660, S44735, S44736, 439, 405, 444, 430.
。TP446-1/TP446-2, S44660, S44735, S44736。405, 444, 439, 430。。。

Duplex/Super Duplex Stainless Steel Seamless Pipe

We have a range of high-quality duplex stainless steel alloys including S31500, S31803, S32205, S32304, S32520, S32550, S32750, and S32760. These alloys are known for their excellent strength and corrosion resistance properties, making them ideal for use in a variety of demanding applications.
At our facilities, we use state-of-the-art technology and processes to manufacture these alloys to exacting standards. With our expertise and attention to detail, we ensure that our customers receive the best possible products that meet their specific needs and requirements.
Whether you need duplex stainless steel alloys for use in the offshore oil and gas industry, chemical processing plants, or any other demanding application, we have the right solution for you. Contact us today to learn more about our range of products and services.

A seamless pipe made of Martensite or Super Martensite Stainless Steel is a high-performance material choice for a wide range of applications. These steel alloys are known for their excellent strength, durability, and resistance to corrosion.
Martensite Stainless Steel is a type of steel alloy that is hardened by heating and then cooling quickly. This process produces a strong and wear-resistant material that is ideal for use in high-stress environments. The addition of carbon to this steel alloy also improves its hardness and wear resistance.
Super Martensite Stainless Steel is a variation of Martensite Stainless Steel that has even higher levels of strength and corrosion resistance. This steel alloy is also hardened by heating and cooling, but it includes additional elements such as molybdenum, nickel, and nitrogen. These elements add to the steel's toughness and corrosion resistance, making it an especially ideal choice for harsh environments.
A seamless pipe made of Martensite or Super Martensite Stainless Steel is perfect for use in high-pressure applications such as oil and gas pipelines, automotive exhaust systems, and chemical processing equipment. These pipes are designed for extreme durability and can withstand even the harshest of conditions. Additionally, because they are seamless, these pipes provide a seamless flow of fluids, reducing the risk of leaks or other failures.
In summary, Martensite and Super Martensite Stainless Steel Seamless Pipes are high-performance materials that are perfect for use in a variety of applications. Whether you need high-pressure pipes that can withstand harsh environments or a durable material for chemical processing, these steel alloys are an excellent choice.

431, 420, 13Cr110, 420J2, 17-4PH, 17Cr110/125, 410S. Here is a rearranged version of the original content:
When it comes to stainless steel, there are several commonly used grades that offer different properties and applications. Let's explore these grades in more detail.
The first grade on our list is 431. This martensitic stainless steel is known for its excellent corrosion resistance and high toughness, making it suitable for applications in the automotive and aerospace industries.
Next, we have grade 420. This heat-treatable stainless steel is often used for cutlery, surgical instruments, and various industrial applications. It exhibits good corrosion resistance and can be easily hardened to achieve a high level of hardness and wear resistance.
Moving on to 13Cr110, it is a ferritic stainless steel that is primarily used in applications where high temperature oxidation resistance is required. This grade is commonly employed in power generation, chemical processing, and exhaust systems.
Now let's talk about 420J2. This stainless steel grade is known for its low carbon content, which enhances its machinability and weldability. It is often used for applications that require moderate corrosion resistance, such as knife blades and diving knives.
Coming up is 17-4PH, which is a precipitation-hardening stainless steel. This grade offers a unique combination of high strength, excellent corrosion resistance, and good toughness. It finds applications in industries like aerospace, nuclear, and chemical processing.
Moving forward, we have 17Cr110/125. This austenitic stainless steel is highly resistant to corrosion, heat, and scaling. It is widely used in heat exchangers, chemical equipment, and marine applications due to its durability and resistance to chloride-induced stress corrosion cracking.
Last but not least, we have 410S. This low carbon, non-hardening ferritic stainless steel offers good corrosion resistance and high-temperature strength. It is often used in applications that require oxidation resistance, such as furnace components and petrochemical equipment.

Nickel Alloy Seamless Pipe

N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750

GB

GB 5310, GB13296, GB/T 9948, GB/T14976, GB/T14975

ASTM

ASTM A213/213M (ASME SA213/SA213M), ASTM A312/312M (ASME SA312/SA312M), ASTM A789/789M (ASME SA789/SA789M), ASTM A790/790M (ASME SA790/SA790M), ASTM B163 (ASME SB163), ASTM B423 (ASME SB423), ASTM B407 (ASME SB407), ASTM B668 (ASME SB668)

DIN

DIN 17456, DIN17458

EN

EN10216-5

JIS

JIS G3459, JIS G3463

NPS Designator

Tolerance, % from Nominal

Over

Under

1/8 to 2-1/2 incl., all t/D ratios

20.0

12.5

3 to 18 inch., t/D up to 5% incl.

22.5

12.5

3 to 18 inch., t/D＞5%

15.0

12.5

20 and larger, welded, all t/D ratios

17.5

12.5

20 and larger, seamless, t/D up to 5% incl.

22.5

12.5

20 and larger, seamless, t/D＞5%

15.0

12.5

NPS Designator

Tolerances in Outside Diameter

Over

Under

In.

mm

In.

mm

1/8 to 1-1/2, incl.

1/64 (0.015)

0.4

1/32 (0.031)

0.8

Over 1-1/2 to 4, incl.

1/32 (0.031)

0.8

1/32 (0.031)

0.8

Over 4 to 8, incl.

1/16 (0.062)

1.6

1/32 (0.031)

0.8

Over 8 to 18, incl.

3/32 (0.093)

2.4

1/32 (0.031)

0.8

Over 18 to 26, incl.

1/8 (0.125)

3.2

1/32 (0.031)

0.8

Over 26 to 34, incl.

5/32 (0.156)

4.0

1/32 (0.031)

0.8

Over 34 to 48, incl.

3/16 (0.187)

4.8

1/32 (0.031)

0.8

Specified OD, in.

Specified Wall Thickness, in.

Maximum Curvature in any 3ft, in.

Maximum Curvature i Total Length, in.

Up to 5.0 incl.

Over 3% OD to 0.5, incl.

0.030

0.010 x length, ft

Over 5.0 to 8.0, incl.

Over 4% OD to 0.75, incl.

0.045

0.015 x length, ft

Over 8.0 to 12.75, incl.

Over 4% OD to 1.0, incl.

0.060

0.020 x length, ft