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What is stainless steel welded pipe?
Stainless steel welded pipe refers to a type of pipe that is made by welding stainless steel plates or coils together. The process involves heating the edges of the steel plates or coils and applying pressure to fuse them together, forming a seamless and continuous pipe. This welding process can be done using various methods such as electric resistance welding (ERW), submerged arc welding (SAW), or high-frequency induction welding (HFW).
Stainless steel welded pipes offer several advantages. They have a high level of corrosion resistance, making them suitable for applications in industries such as oil and gas, chemical, and food processing. They also have good strength and durability, making them capable of withstanding high pressures and temperatures. Additionally, stainless steel welded pipes can be manufactured in various sizes, thicknesses, and grades to meet specific project requirements.
What is welded steel pipe used for?
Plumbing and Water Supply: Welded steel pipes are commonly used for plumbing systems to transport water and other fluids. They are durable, resistant to corrosion, and can withstand high pressure, making them suitable for water supply networks.
Oil and Gas Industry: Welded steel pipes are extensively used in the oil and gas industry for the transportation of crude oil, natural gas, and petroleum products. They are capable of withstanding high pressure and are resistant to corrosion, making them ideal for long-distance pipelines.
Construction and Infrastructure: Welded steel pipes are used in the construction industry for various applications such as structural support, building frameworks, and underground piping systems. They are strong, durable, and can be customized to meet specific project requirements.
Industrial Processes: Welded steel pipes are used in various industrial processes such as chemical processing, power generation, and manufacturing. They are used for the transportation of fluids, gases, and chemicals within these processes.
Mechanical and Engineering Applications: Welded steel pipes find applications in mechanical and engineering industries for the transportation of fluids, gases, and solids. They are used in equipment and machinery, heat exchangers, boilers, and automotive components.
Infrastructure and Utilities: Welded steel pipes are used in infrastructure projects such as bridges, tunnels, and underground utilities. They provide a strong and reliable means of transporting fluids and gases.
What are the benefits of welded pipes?
Strength and Durability: Welded pipes are known for their high strength and durability. The welding process creates a strong and continuous joint, ensuring that the pipe can withstand high pressure, heavy loads, and harsh environments.
Cost-Effective: Welded pipes are generally more cost-effective than seamless pipes. The manufacturing process of welded pipes is simpler and requires less material and labor, resulting in lower production costs.
Versatility: Welded pipes can be manufactured in various sizes, shapes, and thicknesses to meet specific project requirements. They can be customized to fit different applications and can be easily modified or cut to the desired length.
Corrosion Resistance: Welded pipes made from corrosion-resistant materials such as stainless steel offer excellent resistance to corrosion. This makes them suitable for applications in industries such as oil and gas, chemical processing, and water treatment, where exposure to corrosive substances is common.
Ease of Installation: Welded pipes are relatively easy to install compared to other types of pipes. They can be welded together on-site, allowing for quick and efficient installation. Additionally, welded pipes can be easily connected to fittings and other components.
Longevity: Welded pipes have a long service life due to their strength, durability, and resistance to corrosion. Properly installed and maintained welded pipes can last for many years, reducing the need for frequent replacements.
Availability: Welded pipes are readily available in the market due to their widespread use in various industries. They are produced in large quantities and can be easily sourced from manufacturers and suppliers.
Environmentally Friendly: Welded pipes have a lower carbon footprint compared to other types of pipes. The manufacturing process produces less waste and consumes less energy, making them a more sustainable choice.
What is the standard for welded pipe?
Standards | Grades | Standards | Grades |
ASTM | A312,A778,A358,A249,A269,A270, A554,A790,A789,A928 | ASTM/ASME | TP304,TP304L,TP304H,TP316,TP316L,TP321, TP321H,TP310S,TP310H,TP317,TP317L,TP347, TP347H,TP409,TP430,TP444,N08904,S31803, S32205,S32750, S32760 |
JIS | G3459,G3468,G3446,G3463,G3448 | ||
EN | EN 10217-7,EN10312 | EN | 1.4301,1.4306,1.4307,1.4401,1.4404,1.4410, 1.4429,1.4462,1.4541,1.4571, 1.4539, 1.4550 |
DIN | DIN17457,DIN11850 | ||
GB | GB/T12770,GB/T12771,GB/T24593,GB/T19228,GB/T21832 | GB/HG | 12Cr18Ni9,06Cr19Ni10,22Cr19Ni10,07Cr19Ni10,06Cr23Ni13,06Cr25Ni20,06Cr17Ni12Mo2,06Cr19Ni13Mo3,022Cr19Ni13Mo3,06Cr18Ni11Ti,06Cr18Ni11Nb,07Cr18Ni11Nb,022Cr22Ni5Mo3N,022Cr23Ni5Mo3N,022Cr25Ni7Mo4N |
HG | HG20537.1,HG20537.2,HG20537.3, HG20537.4 | ||
Non-Standard products are available upon customer requirements. Other Grades are available upon customer requirements after PQR. | |||
Outside Diameter & Wall Thickness
STAINLESS STEEL (ASTM /ANSI) | ||||||||||
SIZE | O.D | SCH5S | SCH10S | SCH10 | SCH20S | SCH40S | SCH40 | STD | SCH80S | SCH80 |
1/8" | 10.29 | - | 1.24 | 1.24 | - | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 |
1/4" | 13.72 | - | 1.65 | 1.65 | - | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 |
3/8" | 17.15 | - | 1.65 | 1.65 | - | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 |
1/2" | 21.34 | 1.65 | 2.11 | 2.11 | - | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 |
3/4" | 26.67 | 1.65 | 2.11 | 2.11 | - | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 |
1" | 33.4 | 1.65 | 2.77 | 2.77 | - | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 |
1-1/4" | 42.16 | 1.65 | 2.77 | 2.77 | - | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 |
1-1/2" | 48.26 | 1.65 | 2.77 | 2.77 | - | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 |
2" | 60.33 | 1.65 | 2.77 | 2.77 | - | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 |
2-1/2" | 73.03 | 2.11 | 3.05 | 3.05 | - | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 |
3" | 88.9 | 2.11 | 3.05 | 3.05 | - | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 |
3-1/2" | 101.6 | 2.11 | 3.05 | 3.05 | - | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 |
4" | 114.3 | 2.11 | 3.05 | 3.05 | - | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 |
5" | 141.3 | 2.77 | 3.40 | 3.40 | - | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 |
6" | 168.28 | 2.77 | 3.40 | 3.40 | - | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 |
8" | 219.08 | 2.77 | 3.76 | 3.76 | 6.35 | 8.18 | 8.18 | 8.18 | 12.70 | 12.70 |
10" | 273.05 | 3.40 | 4.19 | 4.19 | 6.35 | 9.27 | 9.27 | 9.27 | 12.70 | 15.09 |
12" | 323.85 | 3.96 | 4.57 | 4.57 | 6.35 | 9.52 | 10.31 | 9.52 | 12.70 | 17.48 |
14" | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | - | 11.13 | 9.52 | - | 19.05 |
16" | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | - | 12.70 | 9.52 | - | 21.44 |
18" | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | - | 14.27 | 9.52 | - | 23.83 |
20" | 508.0 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 26.19 |
22" | 558.8 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 28.58 |
24" | 609.6 | 5.54 | 6.35 | 6.35 | 9.52 | - | 17.48 | 9.52 | - | 30.96 |
26" | 660.4 | - | - | 7.92 | 12.7 | - | 17.48 | 9.52 | - | - |
What is stainless steel welded pipe?
Stainless steel welded pipe refers to a type of pipe that is made by welding stainless steel plates or coils together. The process involves heating the edges of the steel plates or coils and applying pressure to fuse them together, forming a seamless and continuous pipe. This welding process can be done using various methods such as electric resistance welding (ERW), submerged arc welding (SAW), or high-frequency induction welding (HFW).
Stainless steel welded pipes offer several advantages. They have a high level of corrosion resistance, making them suitable for applications in industries such as oil and gas, chemical, and food processing. They also have good strength and durability, making them capable of withstanding high pressures and temperatures. Additionally, stainless steel welded pipes can be manufactured in various sizes, thicknesses, and grades to meet specific project requirements.
What is welded steel pipe used for?
Plumbing and Water Supply: Welded steel pipes are commonly used for plumbing systems to transport water and other fluids. They are durable, resistant to corrosion, and can withstand high pressure, making them suitable for water supply networks.
Oil and Gas Industry: Welded steel pipes are extensively used in the oil and gas industry for the transportation of crude oil, natural gas, and petroleum products. They are capable of withstanding high pressure and are resistant to corrosion, making them ideal for long-distance pipelines.
Construction and Infrastructure: Welded steel pipes are used in the construction industry for various applications such as structural support, building frameworks, and underground piping systems. They are strong, durable, and can be customized to meet specific project requirements.
Industrial Processes: Welded steel pipes are used in various industrial processes such as chemical processing, power generation, and manufacturing. They are used for the transportation of fluids, gases, and chemicals within these processes.
Mechanical and Engineering Applications: Welded steel pipes find applications in mechanical and engineering industries for the transportation of fluids, gases, and solids. They are used in equipment and machinery, heat exchangers, boilers, and automotive components.
Infrastructure and Utilities: Welded steel pipes are used in infrastructure projects such as bridges, tunnels, and underground utilities. They provide a strong and reliable means of transporting fluids and gases.
What are the benefits of welded pipes?
Strength and Durability: Welded pipes are known for their high strength and durability. The welding process creates a strong and continuous joint, ensuring that the pipe can withstand high pressure, heavy loads, and harsh environments.
Cost-Effective: Welded pipes are generally more cost-effective than seamless pipes. The manufacturing process of welded pipes is simpler and requires less material and labor, resulting in lower production costs.
Versatility: Welded pipes can be manufactured in various sizes, shapes, and thicknesses to meet specific project requirements. They can be customized to fit different applications and can be easily modified or cut to the desired length.
Corrosion Resistance: Welded pipes made from corrosion-resistant materials such as stainless steel offer excellent resistance to corrosion. This makes them suitable for applications in industries such as oil and gas, chemical processing, and water treatment, where exposure to corrosive substances is common.
Ease of Installation: Welded pipes are relatively easy to install compared to other types of pipes. They can be welded together on-site, allowing for quick and efficient installation. Additionally, welded pipes can be easily connected to fittings and other components.
Longevity: Welded pipes have a long service life due to their strength, durability, and resistance to corrosion. Properly installed and maintained welded pipes can last for many years, reducing the need for frequent replacements.
Availability: Welded pipes are readily available in the market due to their widespread use in various industries. They are produced in large quantities and can be easily sourced from manufacturers and suppliers.
Environmentally Friendly: Welded pipes have a lower carbon footprint compared to other types of pipes. The manufacturing process produces less waste and consumes less energy, making them a more sustainable choice.
What is the standard for welded pipe?
Standards | Grades | Standards | Grades |
ASTM | A312,A778,A358,A249,A269,A270, A554,A790,A789,A928 | ASTM/ASME | TP304,TP304L,TP304H,TP316,TP316L,TP321, TP321H,TP310S,TP310H,TP317,TP317L,TP347, TP347H,TP409,TP430,TP444,N08904,S31803, S32205,S32750, S32760 |
JIS | G3459,G3468,G3446,G3463,G3448 | ||
EN | EN 10217-7,EN10312 | EN | 1.4301,1.4306,1.4307,1.4401,1.4404,1.4410, 1.4429,1.4462,1.4541,1.4571, 1.4539, 1.4550 |
DIN | DIN17457,DIN11850 | ||
GB | GB/T12770,GB/T12771,GB/T24593,GB/T19228,GB/T21832 | GB/HG | 12Cr18Ni9,06Cr19Ni10,22Cr19Ni10,07Cr19Ni10,06Cr23Ni13,06Cr25Ni20,06Cr17Ni12Mo2,06Cr19Ni13Mo3,022Cr19Ni13Mo3,06Cr18Ni11Ti,06Cr18Ni11Nb,07Cr18Ni11Nb,022Cr22Ni5Mo3N,022Cr23Ni5Mo3N,022Cr25Ni7Mo4N |
HG | HG20537.1,HG20537.2,HG20537.3, HG20537.4 | ||
Non-Standard products are available upon customer requirements. Other Grades are available upon customer requirements after PQR. | |||
Outside Diameter & Wall Thickness
STAINLESS STEEL (ASTM /ANSI) | ||||||||||
SIZE | O.D | SCH5S | SCH10S | SCH10 | SCH20S | SCH40S | SCH40 | STD | SCH80S | SCH80 |
1/8" | 10.29 | - | 1.24 | 1.24 | - | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 |
1/4" | 13.72 | - | 1.65 | 1.65 | - | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 |
3/8" | 17.15 | - | 1.65 | 1.65 | - | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 |
1/2" | 21.34 | 1.65 | 2.11 | 2.11 | - | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 |
3/4" | 26.67 | 1.65 | 2.11 | 2.11 | - | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 |
1" | 33.4 | 1.65 | 2.77 | 2.77 | - | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 |
1-1/4" | 42.16 | 1.65 | 2.77 | 2.77 | - | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 |
1-1/2" | 48.26 | 1.65 | 2.77 | 2.77 | - | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 |
2" | 60.33 | 1.65 | 2.77 | 2.77 | - | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 |
2-1/2" | 73.03 | 2.11 | 3.05 | 3.05 | - | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 |
3" | 88.9 | 2.11 | 3.05 | 3.05 | - | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 |
3-1/2" | 101.6 | 2.11 | 3.05 | 3.05 | - | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 |
4" | 114.3 | 2.11 | 3.05 | 3.05 | - | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 |
5" | 141.3 | 2.77 | 3.40 | 3.40 | - | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 |
6" | 168.28 | 2.77 | 3.40 | 3.40 | - | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 |
8" | 219.08 | 2.77 | 3.76 | 3.76 | 6.35 | 8.18 | 8.18 | 8.18 | 12.70 | 12.70 |
10" | 273.05 | 3.40 | 4.19 | 4.19 | 6.35 | 9.27 | 9.27 | 9.27 | 12.70 | 15.09 |
12" | 323.85 | 3.96 | 4.57 | 4.57 | 6.35 | 9.52 | 10.31 | 9.52 | 12.70 | 17.48 |
14" | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | - | 11.13 | 9.52 | - | 19.05 |
16" | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | - | 12.70 | 9.52 | - | 21.44 |
18" | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | - | 14.27 | 9.52 | - | 23.83 |
20" | 508.0 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 26.19 |
22" | 558.8 | 4.78 | 5.54 | 6.35 | 9.52 | - | 15.09 | 9.52 | - | 28.58 |
24" | 609.6 | 5.54 | 6.35 | 6.35 | 9.52 | - | 17.48 | 9.52 | - | 30.96 |
26" | 660.4 | - | - | 7.92 | 12.7 | - | 17.48 | 9.52 | - | - |
