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{"title":"Large Diameter Stainless Steel Pipes, 24"-48", For Pipeline Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/e9\/de8c1ce44dca58185e0b0d589368-200x200-1\/large_diameter_stainless_steel_pipes_2c_24_26quot_3b_48_26quot_3b_2c_for_pipeline_systems.jpg","attrs":{"Brand Name":"Jiangsu China Steel Union","Model Number":"SS304,SS316L,SS321,SS310S,SS2205,SS304H","Certification":"ISO9001,SGS, ASTM, ASME","Place of Origin":"CHINA WUXI"}}
{"title":"High-Pressure 316 Stainless Steel Pipes, SCH40, Industrial Use EN 10216-5","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/7d\/e15848a561661dab2df59e04a975-200x200-1\/high_pressure_316_stainless_steel_pipes_2c_sch40_2c_industrial_use_en_10216_5.jpg","attrs":{"Brand Name":"Jiangsu China Steel Union","Model Number":"SS304,SS316L,SS321,SS310S,SS2205,SS304H","Certification":"ISO9001,SGS, ASTM, ASME","Place of Origin":"CHINA WUXI"}}
{"title":"Sanitary Welded Stainless Steel Pipes, Mirror Finish, FDA Compliant","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/a9\/80a4628e034614af332478a3230b-200x200-1\/sanitary_welded_stainless_steel_pipes_2c_mirror_finish_2c_fda_compliant.jpg","attrs":{"Brand Name":"Jiangsu China Steel Union","Model Number":"SS304,SS316L,SS321,SS310S,SS2205,SS304H","Certification":"ISO9001,SGS, ASTM, ASME","Place of Origin":"CHINA WUXI"}}
{"title":"ASTM A312 Stainless Steel Pipes, 1\/2"-24", Corrosion Resistant FDA Compliant","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/79\/e711a2e692fdd649fd08bc582a0d-200x200-1\/astm_a312_stainless_steel_pipes_2c_1_2f2_22_24_22_2c_corrosion_resistant_fda_compliant.jpg","attrs":{"Brand Name":"Jiangsu China Steel Union","Model Number":"SS304,SS316L,SS321,SS310S,SS2205,SS304H","Certification":"ISO9001,SGS, ASTM, ASME","Place of Origin":"CHINA WUXI"}}
{"title":"Corrosion Resistant Duplex Steel Pipes, High Strength, EN 10216","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/ec\/9299e6726553e6c0cecfbbfce7e7-200x200-1\/corrosion_resistant_duplex_steel_pipes_2c_high_strength_2c_en_10216.jpg","attrs":{"Brand Name":"Jiangsu China Steel Union","Model Number":"SS304,SS316L,SS321,SS310S,SS2205,SS304H","Certification":"ISO9001,SGS, ASTM, ASME","Place of Origin":"CHINA WUXI"}}
These Large Diameter Stainless Steel Pipes represent the pinnacle of industrial fluid and gas conveyance solutions, designed for critical infrastructure projects where reliability, durability, and performance are non-negotiable. Engineered to handle high-pressure, high-volume, and corrosive media, these pipes are the preferred choice for sectors requiring uncompromising material integrity and long service life. Our Large Diamard Stainless Steel Pipes are manufactured to exacting international standards, ensuring superior dimensional accuracy, weldability, and structural strength for your most challenging applications.Product Specification at a Glance
Feature
Specification / Detail
Standard Specifications
ASTM A312, ASTM A358, ASME B36.19M, EN 10216-5, etc.
Common Grades
304/304L, 316/316L, 321, 317L, 310S, Duplex 2205, 6Mo Super Austenitic
Outer Diameter Range
Typically from 16" (406.4mm) up to 60" (1524mm) and larger, upon request
Wall Thickness
Schedule 5S to XXS, customizable per project requirements
Manufacturing Process
Welded (Longitudinal SAW / ERW) or Seamless (for specific sizes)
Length
Random or fixed lengths, up to 12 meters or as per agreement.
Ends
Beveled, plain, square cut, or threaded and coupled.
Surface Finish
Mill finish, polished (180-grit to #8 mirror), pickled & passivated.
Unmatched Characteristics & Core AdvantagesSuperior Performance & Durability: The inherent corrosion resistance of stainless steel, enhanced in grades like 316L or duplex, ensures these Large Diameter Pipes excel in harsh environments—resisting pitting, crevice corrosion, and stress corrosion cracking. This translates to drastically reduced maintenance costs and extended system longevity.Advanced Manufacturing & Technology: Our pipes are produced using state-of-the-art automated welding (SAW) and forming technologies, guaranteeing consistent weld penetration, excellent bead profile, and uniform mechanical properties. Strict process control and comprehensive non-destructive testing (NDT), including ultrasonic and radiographic testing, ensure flawless integrity.Key Application Areas:
•Oil, Gas & Petrochemical: Process piping, feedwater lines, offshore platforms, refinery pipelines.
•Power Generation: Main steam and feed lines, flue gas desulfurization (FGD) systems, condenser tubes.
•Water & Waste Treatment: Saltwater conveyance, effluent lines, municipal water distribution.
•Mining & Desalination: Slurry transport, high-chloride feedwater in desalination plants.
Your Reliable PartnerWe provide comprehensive service from technical consultation and project-specific customization to precise cutting, end-finishing, and professional packaging. All Large Diameter Stainless Steel Pipes are supplied with full traceability and material test certificates (MTC) as per EN 10204 3.1/3.2, ensuring full compliance and quality assurance for your project.FAQ
•Q: What is the difference between welded and seamless for Large Diameter Pipes?A: Seamless pipes are standard for smaller diameters under high pressure. For large diameters, welded pipes (especially SAW) are the industry standard, offering excellent strength, more cost-effectiveness, and availability in larger sizes. Our welded pipes undergo rigorous testing to match performance needs.
•Q: How do I choose between Grade 304/L and 316/L?A: 304/L offers excellent general corrosion resistance. Choose 316/L for environments with high chlorides (e.g., coastal, chemical processing) due to its molybdenum content, which provides superior resistance to pitting and crevice corrosion.
•Q: Can you provide custom sizes and special surface finishes?
A: Yes. We specialize in manufacturing Large Diameter Stainless Steel Pipes to custom OD, wall thickness, and length specifications. Various surface finishes, including pickling/passivation for optimal corrosion resistance, are available.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
30~60
Ecer Certification：
Verified Supplier
JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD.
Specializing in premium stainless steel products (sheets, pipes, high-pressure tubes, bars), aluminum/steel coils, galvanized steel, and copper alloys. Equipped with advanced cold-rolling mills, CNC machining centers, and plasma cutting systems, we su... JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD.
Specializing in premium stainless steel products (sheets, pipes, high-pressure tubes, bars), aluminum/steel coils, galvanized steel, and copper alloys. Equipped with advanced cold-rolling mills, CNC machining centers, and plasma cutting systems, we su...
