Looking for stainless steel tube for chemical processing? Shuangsen operates as a China factory with 25+ years of production expertise. This supplier maintains 133 production lines featuring online roundness control, internal weld leveling, and bright solid melting heat treatment. Quality assurance follows ISO9001, ISO14001, ISO45001, and ISO13485 certifications. Each shipment includes a factory inspection report. Tolerances per ASTM A484: thickness ±0.25-0.35mm, width +2.4/-0.8mm. Solution treatment at 1010-1150℃ with water quenching. Density groups: 7.93 (304 family) and 7.98 (316 family). Weight calculation: W=0.02491 or 0.02507 × t × (D-t). Available finishes: mill, 180#, 400#, 600#, hairline.
Chemical plants require tubing systems capable of withstanding corrosive media, temperature fluctuations, pressure variations, and long-term continuous operation. Our stainless steel tube for chemical processing is manufactured using advanced forming, welding, annealing, and inspection technologies to ensure reliable performance in critical industrial environments.
Available in round, square, and rectangular profiles, these tubes are widely used in chemical plants, petrochemical facilities, pharmaceutical production lines, water treatment systems, and industrial fluid transportation networks.
To meet different installation and operational requirements, multiple surface finishes are available.
|
Profile Type |
Surface Finish |
Description |
|
Round Tube |
Mill Finish |
As-welded surface |
|
Round Tube |
180#, 400#, 600# Polish |
Buffed and polished finish |
|
Round Tube |
Hairline 180#, 400# |
Uniform brushed appearance |
|
Square/Rectangular Tube |
Mill Finish |
As-welded surface |
|
Square/Rectangular Tube |
180#, 400#, 600# Polish |
Bright polished finish |
|
Square/Rectangular Tube |
Hairline 180#, 400# |
Decorative brushed finish |
These finishes provide varying levels of cleanliness, corrosion resistance, and aesthetic appearance depending on the application.
Consistent dimensions are essential for automated fabrication and assembly systems. All products are manufactured in accordance with ASTM A484 tolerance requirements.
|
Thickness Range (mm) |
Tolerance |
|
Over 2.90 – 3.30 |
±0.25 mm |
|
Over 3.30 – 3.70 |
±0.30 mm |
|
Over 3.70 – 4.80 |
±0.35 mm |
|
Over 4.80 – 9.00 |
+1.25 / -0.25 mm |
Width tolerance remains consistently controlled to support predictable installation and fabrication performance.
Proper solution annealing is critical to maintaining corrosion resistance and preventing carbide precipitation in austenitic stainless steels.
|
Material Grade |
Solution Treatment |
|
TP304 / SUS304 / 0Cr19Ni9 |
1010–1150°C Water Quenching |
|
TP304L / SUS304L / 00Cr19Ni11 |
1010–1150°C Water Quenching |
|
TP316 / SUS316 / 0Cr17Ni12Mo2 |
1010–1150°C Water Quenching |
|
TP316L / SUS316L / 00Cr17Ni14Mo2 |
1010–1150°C Water Quenching |
Rapid water quenching after solution treatment helps maintain a stable microstructure and maximizes resistance to intergranular corrosion, particularly after welding operations.
Accurate weight estimation simplifies transportation planning, structural calculations, and project cost evaluation.
|
Material Group |
Density (g/cm³) |
Formula |
|
304 / 304L Series |
7.93 |
W = 0.02491 × t × (D − t) |
|
316 / 316L Series |
7.98 |
W = 0.02507 × t × (D − t) |
Where:
· W = Weight per meter (kg/m)
· D = Outside diameter (mm)
· t = Wall thickness (mm)
As a professional manufacturer, we integrate advanced production technologies to ensure consistent product quality and long-term reliability.
Real-time monitoring systems continuously adjust forming parameters to maintain excellent tube roundness and minimize ovality deviations.
Specialized weld conditioning technology removes excessive internal weld reinforcement, creating a smoother flow path and reducing the risk of product accumulation inside the tube.
A controlled atmosphere bright annealing furnace produces a clean, oxide-free surface without secondary pickling. This process enhances both corrosion resistance and appearance while maintaining dimensional stability.
These technologies contribute significantly to the performance of our stainless steel tube for chemical processing in demanding industrial environments.
Quality inspections are conducted throughout every stage of production.
· Chemical composition verification
· Material certification review
· Surface quality inspection
· Weld seam integrity testing
· Dimensional verification
· Roundness monitoring
· Surface finish inspection
· Length tolerance verification (±1.5 mm)
· End squareness inspection
· Burr removal confirmation
· Visual surface examination
Each shipment is accompanied by a factory inspection report. Third-party inspections, including SGS testing, are available upon customer request.
Designed for demanding industrial applications, our stainless steel tube for chemical processing offers the following advantages:
· Excellent corrosion resistance after welding
· Stable mechanical properties up to 427°C (800°F)
· Good formability for bending and fabrication
· Non-magnetic properties in annealed condition
· Smooth internal surface for improved flow efficiency
· Long service life with minimal maintenance
For chloride-containing environments or aggressive chemical media, 316 and 316L grades are recommended due to their enhanced molybdenum content and superior pitting corrosion resistance.
Our manufacturing facility operates under internationally recognized management systems:
· ISO 9001 Quality Management System
· ISO 14001 Environmental Management System
· ISO 45001 Occupational Health & Safety Management System
· ISO 13485 Medical Device Quality Management System
In addition, the company has been recognized as a National High-Tech Enterprise and a Specialized & Innovative Manufacturing Enterprise.
To ensure products arrive in optimal condition, all tubes are carefully packaged using industrial-grade protective materials.
Standard packaging includes:
· Plastic end caps
· Moisture-resistant polyethylene wrapping
· Export-grade wooden crates
· Steel band reinforcement
· Product identification labels
Labels include material grade, dimensions, heat number, quantity, and production batch information for complete traceability.
Under normal operating conditions and proper system design, service life can exceed 20 years in neutral and mildly acidic environments.
For maximum durability:
· Maintain clean operating conditions when possible
· Select appropriate surface finishes for the environment
· Choose 316/316L grades when chloride concentration exceeds 200 ppm at 60°C
· Follow recommended welding and passivation procedures
With strict quality control, advanced annealing technology, and comprehensive inspection procedures, our stainless steel tube for chemical processing provides a dependable solution for chemical plants, pharmaceutical facilities, petrochemical systems, and industrial fluid handling applications worldwide.

FAQ
1. Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes, stainless steel coils, plate, rolls can be also provided if you need.
2. Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the client may afford the freight fees.
3. Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.
4. Q: What is your delivery time?
A: Different products and procurement quantities have different delivery times. The product will be delivered as soon as possible on the basis of quality assurance. Usually, if the goods are in stock, it takes 3-10 days. Alternatively, if the goods are out of stock, it will take 25 to 45 days.
5. Q: Can you arrange shipment?
A: Of course, we have freight forwarders who have been cooperating for many years. We are VIP and can provide you with the most favorable prices and professional services.
6. Q: What if I don't have import experience?
A: We have rich export experience. As long as you have an import license, please leave the rest to us! We will help you choose the most suitable transportation service to safely and accurately deliver the product to the place where it is needed.
Address
No.66, A Area, Daitoucai Industrial Zone, Zeguo Town, Wenling City, Taizhou, Zhejiang Province, China
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