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江苏中钢联合实业有限公司
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Large Diameter Stainless Steel Pipes, 24"-48", For Pipeline Systems

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Large Diameter Stainless Steel Pipes, 24"-48", For Pipeline Systems

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Brand Name : Jiangsu China Steel Union

Model Number : SS304,SS316L,SS321,SS310S,SS2205,SS304H

Certification : ISO9001,SGS, ASTM, ASME

Place of Origin : CHINA WUXI

MOQ : 1000KG

Price : 1.3-3.6USD/KG

Payment Terms : T/T, L/C, Western Union, MoneyGram

Supply Ability : 2 metric tons per month

Delivery Time : 5-7Days

Packaging Details : Steel strip + kraft paper + fumigated wooden box export exquisite packaging

Material : Stainless Steel

Production Capacity : 50000ton/Month

Diameter : 6mm to 2000mm

Working Temperature : 100-500 degree

Outer Diameter : 6-630mm,Customized

Temperature Resistance : -196°C to 800°C

Yield Strength : ≥ 205 MPa

Payment Term : 30%T/T Advance + 70% Balance

Usage : Construction Decoration Building

Transport Package : According to Customer Requirements

Corrosion Resistance : High

Length : 6m, 12m or customized

Thickness : 6-20mm

Steel : Printed

Wall Thickness : 0.5mm to 50mm

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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 Advantages
Superior 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:
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    Oil, Gas & Petrochemical:​ Process piping, feedwater lines, offshore platforms, refinery pipelines.
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    Power Generation:​ Main steam and feed lines, flue gas desulfurization (FGD) systems, condenser tubes.
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    Pulp & Paper:​ Digester lines, bleach plant piping, chemical recovery systems.
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    Water & Waste Treatment:​ Saltwater conveyance, effluent lines, municipal water distribution.
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    Mining & Desalination:​ Slurry transport, high-chloride feedwater in desalination plants.
Your Reliable Partner
We 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
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    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.
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    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.
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    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.

    Large Diameter Stainless Steel Pipes, 24"-48", For Pipeline Systems


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