Large Diameter welded tubes

Large Diameter Stainless Steel Pipe Supplier

Size:Max 40″

Standard: ASTM A312, ASTM A358, JIS G3459, JIS 3468, GB\T 12771, GB\T 28708, EN 10217-7

Main Grade: 2205、2507, TP304, TP304L, TP316L, TP321

Finish: Black, NO.1, mill finish, cold draw, Annealing Pickling, Polishing

Product Description of Large Diameter Stainless Steel Pipe

Huaxiao Stainless Steel Pipe Suppliers

Our large diameter stainless steel pipe is manufactured from high quality stainless steel materials and has many impressive features. First and foremost, they have large diameters for applications that require high flow rates or liquid/gas transfer. Whether it is a large scale industrial project or an application requiring efficient fluid handling, large diameter stainless steel pipe will meet your needs.

In addition, our large diameter stainless steel pipe has excellent corrosion resistance to a wide range of corrosive media. Whether acidic, alkaline, brine or chemical, they can be used in harsh environments for long periods of time and maintain excellent performance.

Large diameter stainless steel pipe also has excellent strength and pressure resistance, and can withstand high pressure and high temperature conditions. This makes it ideal for use in a variety of industries, ensuring the structural integrity and safety of the pipe.

Our large diameter stainless steel pipe is finely finished and polished to a smooth and delicate surface, free of visible defects and oxidation. This not only enhances its aesthetics, but also provides better resistance to contamination and ease of cleaning.

If you are looking for stainless steel pipe suppliers that are reliable, we are the best choice for you. Please contact our sales team for more information about large diameter stainless steel tubes and our services.

Specification of Large Diameter Stainless Steel Pipe

Huaxiao Stainless Steel Pipe Suppliers

Description of Large Diameter Stainless Steel Pipe

ASTM

DIN / EN

JIS

GB

ISO Name

Other

S20100

201

1.4372

SUS201

S35350

X12CrMnNiN17–7-5

J1 L1 LH 201J1

S20200

202

1.4373

SUS202

S35450

X12CrMnNiN18–9-5

202 L4, 202 J4, 202 J3

S30400

304

1.4301

SUS304

S30408

X5CrNi18-10

06Cr19Ni10

0Cr18Ni9

S31603

316L

1.4404

SUS316L

S31603

X2CrNiMo17-12-2

022Cr17Ni12Mo2 00Cr17Ni14Mo2

S40900

409

SUH409

S11168

X5CrTi12

0Cr11Ti

S40910

409L

1.4512

SUH409L

S11163

X2CrTi12

00Cr11Ti

022Cr11Ti

S41008

410S

1.4000

SUS410S

S11306

X6Cr13

S43000

430

1.4016

SUS430

10Cr17

X6Cr17

1Cr17

Mechanical Properties of Large Diameter Stainless Steel Pipe

201

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

260

515

40

95

217

JIS

275

520

40

241

100

253

GB

205

515

30

- 

99

- 

202

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

260

620

40

241

JIS

275

520

40

95

207

218

GB

304

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

205

515

40

92

201

JIS

205

520

40

187

90

200

GB

205

515

40

92

201

210

316L

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

170

485

40

95

217

JIS

175

480

40

187

90

 

200

GB

170

485

40

95

217

220

409

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

JIS

175

360

22

162

80

175

GB

409L

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

170

380

20

88

179

JIS

175

360

25

162

80

175

GB

170

380

20

88

179

200

410S

Y.S./Mpa ≥

T.S./Mpa ≥

E.L./% ≥

HB ≤

HRB ≤

HBW ≤

HV ≤

ASTM

205

415

22

89

183

JIS

205

410

20

88

183

200

GB

205

415

20

89

183

200

Features of Large Diameter Stainless Steel Pipe

Huaxiao Stainless Steel Pipe Suppliers

Large diameter stainless steel pipes are renowned for their high strength. This is attributed to the use of premium-grade stainless steel materials, known for their excellent mechanical properties. The large diameter stainless steel pipes are designed to withstand significant internal and external pressures, making them suitable for applications that require robust and reliable performance. Their high strength allows them to handle heavy loads and resist deformation, ensuring the integrity and stability of the piping system.

This is due to the fact that large diameter stainless steel pipes are manufactured from high quality stainless steel materials, whose main components include iron, chromium, nickel and other alloying elements. Among them, the high content of chromium gives stainless steel tubes excellent corrosion resistance.

Chromium in stainless steel pipe formed a dense oxide film, called “passivation film”, which can effectively resist the erosion of oxygen, water and chemical substances on the surface of the pipe. This passivation film has good adhesion and self-healing ability, even in the case of damage can be quickly re-formed to protect the pipe from further corrosion.

As professional stainless steel pipe suppliers, we offer high quality large diameter stainless steel pipe to meet the needs of different industries.

Large diameter stainless steel pipe has excellent machinability properties that make it ideal for a wide range of applications in various industries. Its machinability characteristics include malleability, weldability, machinability, formability and surface finish. Large-diameter stainless steel pipe can be easily processed by cold bending, cutting and welding operations to accommodate different shapes and sizes. It also has good forming properties and can achieve complex shapes and curves. The desired surface finish and texture can be obtained through various surface treatment processes, such as polishing, sandblasting and pickling. As stainless steel pipe suppliers, we are committed to providing high quality, easy-to-process large diameter stainless steel pipe to meet the diverse needs of our customers

Large diameter stainless steel pipes are usually made of high-temperature alloy materials, in which high-temperature-resistant alloy elements, such as chromium, nickel and molybdenum, are added to enhance their high-temperature resistance.

Large diameter stainless steel pipe can maintain good corrosion resistance in high temperature environments and is not easily affected by oxidation, corrosion and deformation. It can withstand high temperature gases, liquids and steam and is suitable for various high temperature processes and application scenarios, such as petrochemicals, power stations, refineries, chemical industries, etc.

In addition, large diameter stainless steel pipe also has excellent heat transfer properties and thermal expansion coefficient, which can effectively transfer and disperse heat and reduce the occurrence of thermal stress and thermal deformation. This enables large diameter stainless steel pipe to maintain structural stability and integrity in high temperature environments, ensuring the reliability and safety of the system.

As a professional stainless steel pipe supplier, we offer high quality large diameter stainless steel pipe with excellent high temperature resistance to meet the needs of various industries.

Welded Connection: Welding is one of the most commonly used connection methods. By melting and pressurizing the ends of the pipe, a strong connection is formed. Common welding methods include welded joints, butt welding and welded neck flanges.

Threaded Connections: Threaded connections are used for smaller diameter pipes. They are joined together by rotating them by machining the corresponding internal and external threads on the pipe ends and joints.

Flanged Connection: Flanged connections are suitable for large diameter pipes and where frequent disassembly is required. A reliable connection is formed by connecting the end of the pipe to the flange and securing it with bolts. The flange connection can be divided into two forms: stripped flange and welded flange.

Clamp Connection: The clamp connection is suitable for applications requiring quick installation and disassembly. The connection of the pipe is achieved by snapping the clamp onto the outside of the pipe and fastening it by bolts or clamping devices.

Application of Large Diameter Stainless Steel Pipe

Huaxiao Stainless Steel Pipe Suppliers
large diameter stainless steel pipe in oil and gas industry

oil and gas industry

As professional stainless steel pipe suppliers, we offer large diameter stainless steel pipe products suitable for the oil and gas industry. These pipes have excellent corrosion resistance and high strength and are capable of withstanding extreme pressure and temperature conditions. Large diameter stainless steel pipes are widely used in oil and gas transmission pipelines, wellhead pipelines, drilling pipelines and storage facilities. They ensure the safe transmission, gathering and storage of oil and natural gas while meeting the industry's stringent requirements for corrosion resistance, high temperatures and high pressures.

large diameter stainless steel pipe in chemical industry

chemical industry

As reliable stainless steel pipe suppliers, we offer large diameter stainless steel pipe products which are widely used in chemical industry. With excellent corrosion resistance and chemical stability, large diameter stainless steel pipes are able to withstand a variety of corrosive media and chemicals. In chemical processes, large diameter stainless steel pipes are used to transport various chemical substances, treat wastewater and waste gases, and construct chemical equipment and reactors. Its high strength and pressure resistance ensure the safe operation of the pipes, while its excellent processability makes it adaptable to complex process requirements. As a partner to the chemical industry, we are committed to providing high-quality, industry-standard large diameter stainless steel pipes to provide chemical companies with reliable piping solutions that ensure the safe and efficient operation of their production processes.

large diameter stainless steel pipe in construction industry

construction field

As professional stainless steel pipe suppliers, we offer large diameter stainless steel pipe, which is widely used in the construction field. Large diameter stainless steel pipes play an important role in building structures, and their high strength and durability make them ideal for withstanding structural loads and external environmental influences. Large diameter stainless steel pipe can be used in the piping systems of buildings, including water supply pipes, drainage pipes and HVAC systems. Its corrosion resistance ensures long-term stable operation of the pipes, reducing the need for maintenance and replacement and lowering overall costs. In addition, large diameter stainless steel pipe can be used for structural support and load-bearing elements of buildings, such as beams, columns and frames. Its high strength and rigidity enable it to withstand significant loads, ensuring the structural stability and safety of buildings. As stainless steel pipe suppliers, we are committed to providing large diameter stainless steel pipe products that meet building industry standards and requirements.

large diameter stainless steel pipe in pharmaceutical industry

pharmaceutical field

Large diameter stainless steel pipe is used in the pharmaceutical field to convey and handle a wide range of pharmaceuticals, solutions and chemicals. Its high corrosion resistance and good resistance to high temperatures enable it to transport and handle pharmaceuticals safely and reliably in harsh pharmaceutical environments. The smooth inner surface and seamless connection of stainless steel pipe material ensure pure and contamination-free fluid inside the pipe, avoiding the risk of cross-contamination and helping to ensure the quality and purity of pharmaceuticals. In addition, large-diameter stainless steel pipes have excellent cleanability and corrosion resistance, easily meeting the stringent sanitary requirements of the pharmaceutical industry. They are able to withstand high pressure and high temperature working conditions and maintain the sanitation inside the pipe to ensure product safety and reliability. As a stainless steel pipe supplier, we are committed to providing large diameter stainless steel pipe products that meet pharmaceutical industry standards and requirements.

FAQ

Huaxiao Stainless Steel Pipe Suppliers

Material Preparation: Select the applicable stainless steel material and ensure its quality meets the requirements. Common stainless steel materials include 304, 316, etc.

Material Cutting: The stainless steel sheet is cut according to the demand, usually using mechanical cutting or laser cutting technology.

Roll Forming: The cut stainless steel sheet is gradually rolled into a tube shape through a roll machine to form a prefabricated tube.

Welding: The edges of the prefabricated tubes are joined using welding technology, and the common welding methods include TIG (tungsten argon arc welding), MIG (metal inert gas shielded welding), etc.

Cold Processing: The precise size and shape of the welded tube is trimmed by cold processing process, common cold processing processes include cold rolling, cold drawing, etc.

Surface Treatment: Surface treatment of stainless steel pipes to improve their corrosion resistance and appearance quality. Common surface treatment methods include pickling, polishing, electroplating, etc.

The following differences exist between large diameter stainless steel pipe and other stainless steel welded pipes:

Outside Diameter Size: Large diameter stainless steel pipe has a larger outside diameter size compared to other stainless steel welded pipes. Large diameter stainless steel pipe is typically used in applications that require the transport of large volumes of liquids or gases, so its outside diameter is usually between a few inches and several tens of inches. Other stainless steel welded tubes have smaller outside diameters and are suitable for general applications.

Manufacturing Process: The manufacturing process of large diameter stainless steel pipe is usually rolled and welded, and can be manufactured by a variety of welding methods, such as welded spiral welding and resistance welding. While the manufacturing process of other stainless steel welded pipes usually uses welding techniques such as TIG (argon arc welding) welding or MIG (metal inert gas) welding, etc.

Thickness: The wall thickness of large diameter stainless steel pipe is relatively large to withstand higher pressure and load. While other stainless steel welded tubes usually have smaller wall thicknesses for general applications with lower pressure and load requirements.

  • 304: This is one of the most commonly used stainless steel materials with good corrosion resistance and mechanical properties for general industrial applications and general corrosive environments.
  • 316: It is a stainless steel material with higher corrosion resistance, containing more nickel and molybdenum elements, making it better corrosion resistance to acidic and saline environments, commonly used in the chemical, marine and petroleum industries.
  • 321: It is a stainless steel material with excellent resistance to high temperatures, suitable for use in high temperature environments, such as heat exchangers and gas burners.
  • 310S: It is a stainless steel material with better resistance to high temperature and corrosion, commonly used in high temperature furnaces and heating equipment.

The service life of large diameter stainless steel pipe depends on several factors, including the following:

Material Selection: Choosing high-quality stainless steel materials suitable for specific applications, such as 304, 316, etc., can provide good corrosion resistance and extend service life.

Pipe Installation Quality: Correctly install and fix the pipe to ensure a firm connection, avoid vibration and stress concentration, and reduce deformation and damage to the pipe.

Pipeline Maintenance and Servicing: Regular cleaning and inspection of pipelines to remove accumulated dirt and deposits and prevent corrosion and clogging problems. Anti-corrosion coating maintenance and repair as needed to ensure that the protective layer on the surface of the pipeline is intact.

Pipeline Operating Conditions: Rational design and operation of the pipeline system to avoid exceeding the bearing capacity and temperature range of the pipeline, and control the flow rate and temperature of the medium to reduce damage to the pipeline.

Pipeline Use Environment: According to the actual application environment to choose the appropriate stainless steel material and protective measures, such as anti-corrosion coating, anti-corrosion lining, etc., to protect the pipeline from corrosion and damage.

Get In touch

Ready to Elevate Your Projects? Dive into our Stainless Steel Collection and Submit Your Specifications Today!

Phone/WhatsApp/WeChat:

+86 13052085117

Email: [email protected]

Address: RM557, NO.1388 Jiangyue Road, Shanghai China