ASTM A312/A312M (焊接)
Welded austenitic stainless steel pipe
Steel Grades: TP304, TP304L, TP304H, TP309S, TP310S, TP316, TP316L, TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H
Widely used in process pipelines in the chemical and petrochemical industries, fluid pipelines in the food processing and pharmaceutical industries, as well as water supply, drainage, and public works pipelines. Ultra-low carbon and molybdenum-containing varieties are suitable for post-weld corrosion resistance or highly corrosive conditions, while stabilized varieties are beneficial for resistance to intergranular corrosion. Also used in building decoration and structural pipes, it is often use
ASTM A358/A358M
High-temperature electrofusion welded austenitic chromium-nickel stainless steel pipe
Steel Grades: TP304, TP304L, TP304H, TP316, TP316L, TP316H, TP321, TP321H, TP347, TP347H, TP309S, TP310S
Widely used in high-temperature process pipelines, oil transfer lines and gas collection pipes of heating furnaces in chemical and oil refining plants, as well as high-temperature heat exchanger shells and large-diameter conveying pipes. Large-diameter thick-walled pipes can be manufactured using electrofusion welding technology. Molybdenum-containing and stabilized varieties are suitable for resistance to intergranular corrosion and high-temperature continuous operation, and are commonly used i
ASTM A554
Welded stainless steel mechanical pipe
Steel Grades: TP304, TP304L, TP316, TP316L, TP409, TP430, TP439, TP441, TP444
Widely used in architectural decoration, railings, door and window components, curtain wall components, as well as frames and exterior parts for furniture, kitchenware, and bathroom products. Austenitic varieties offer good appearance and corrosion resistance, while ferritic varieties are commonly used in heat- and corrosion-resistant components such as automotive exhaust systems. Due to their excellent polishing properties and formability, they are also used in light-duty machinery and decorati
ASTM A778/A778M
Welded unannealed austenitic stainless steel pipe
Steel Grades: TP304, TP304L, TP316, TP316L, TP321, TP347
Widely used in low-pressure pipelines with mild corrosion, ventilation and drainage pipes, as well as structural and decorative pipes. Lower in cost due to the elimination of solution annealing, it is suitable for water treatment, general industrial transportation, and building water supply and drainage. It is also used as a light-load structural component such as railings, supports, and frames. Due to its economy and sufficient corrosion resistance, it is commonly found in general-purpose pipel
ASTM A789/A789M (焊接)
Duplex stainless steel welded pipe
Steel Grades: S31803, S32205, S32304, S32750, S32760
Widely used in pipelines for seawater treatment and desalination plants, corrosion-resistant pipe fittings for chemical equipment, and oil and gas extraction and gathering pipelines. Its high strength allows for thinner walls and lower costs, while its resistance to stress corrosion cracking makes it suitable for marine and saltwater conditions. It is commonly used as heat exchanger tube bundles, process piping, and equipment connections, serving fluid transportation applications requiring high
EN 10217-7
Pressure welded steel pipe - stainless steel
Steel Grades: 1.4301, 1.4307, 1.4541, 1.4401, 1.4404, 1.4435, 1.4438, 1.4539, 1.4547, 1.4462, 1.4410
Widely used in pressure-bearing process pipelines, energy equipment pipelines, and heat transfer tubes for heat exchangers in the chemical and petrochemical industries, as well as in clean fluid pipelines in the food and pharmaceutical industries. Austenitic varieties meet general corrosion resistance and hygiene requirements, while duplex and molybdenum-containing varieties are suitable for seawater and high chloride ion environments. Due to the economic efficiency and pressure-bearing capacity
EN 10296-2
Welded stainless steel round tubes for mechanical and engineering applications
Steel Grades: 1.4301, 1.4307, 1.4401, 1.4404, 1.4016, 1.4006, 1.4113, 1.4512
Widely used in mechanical structural components and equipment frames, automotive parts and exhaust-related pipe fittings, as well as furniture, decorative components and railings. Austenitic varieties have good corrosion resistance and appearance, while ferritic varieties are economical and can withstand certain high temperatures. With their good formability and weldability, they are often processed into support pipes, connectors and precision instrument components, meeting the dual needs of eng
JIS G3446
Stainless steel pipes for mechanical structures
Steel Grades: SUS304TKS, SUS304L TKS, SUS316TKS, SUS316L TKS, SUS410TKS, SUS420J1TKS, SUS430TKS
Widely used as tube blanks for mechanical parts, hydraulic cylinder barrels and sleeves, bearing sleeves, and rotating components, as well as automotive parts, pump and valve components, and precision instrument structural parts. Austenitic varieties are suitable for applications requiring high corrosion resistance, while martensitic varieties, after quenching and tempering, are used for wear-resistant bushings and pin sleeves. With their excellent machinability and dimensional stability, they m
JIS G3459 (焊接)
Stainless steel welded pipes for piping
Steel Grades: SUS304TP, SUS304LTP, SUS316TP, SUS316LTP, SUS321TP, SUS347TP
Widely used in chemical and petrochemical process piping, food and beverage fluid pipelines, as well as building water supply and drainage, hot water and fire protection pipelines, and also for gas transmission and general public works pipelines. Ultra-low carbon and stabilized varieties are suitable for applications requiring high corrosion resistance after welding. Due to the economy and good weldability of welded pipes, they are commonly used medium and large diameter transmission pipes in ge
JIS G3447
Stainless steel pipes for sanitary piping
Steel Grades: SUS304TKD, SUS304L TKD, SUS316TKD, SUS316L TKD
Widely used for hygienic fluid transport in food and beverage, dairy, and beer industries, as well as clean process piping in pharmaceuticals and bioengineering. The polished inner wall design facilitates cleaning and sterilization, preventing media residue and microbial growth. Molybdenum-containing varieties are suitable for saline or acidic media. Often used with sanitary clamps and fittings in clean piping systems requiring no dead corners and easy cleaning.
