High Corrosion Resistant 316L Seamless Stainless Steel Tube For Chemical Plant

High Corrosion Resistant 316L Seamless Stainless Steel Tube For Chemical Plant

This seamless stainless steel tube is made of premium TP316L low-carbon stainless steel with added molybdenum element, specially engineered for severe corrosive working environments of chemical plants. Produced via hot rolling and cold drawing seamless forming processes, the tube eliminates welding seams to deliver outstanding structural integrity, high pressure bearing capacity and zero leakage risk.
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Product Information

 

Item Specification
Product Name High Corrosion Resistant 316L Seamless Stainless Steel Tube for Chemical Plant
Material ASTM A312 TP316L / A269 TP316L / A213 TP316L
Standard ASTM A312, ASTM A269, ASTM A213, ASME B31.3
Type Seamless Cold Drawn / Seamless Hot Rolled
Section Shape Round
Surface Finish Pickled & Passivated, Bright Annealed, Polished (2B/BA/Matte)

 

Chemical Composition

 

Element C Si Mn P S Cr Ni Mo
Value ≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.00–18.50 10.00–14.00 2.00–3.00

 

Mechanical Properties

 

Item Tensile Strength Yield Strength Elongation Hardness Working Temp
Value ≥515 MPa ≥205 MPa ≥40% ≤95 HRB -196°C to 650°C

 

Key Dimensions Range

 

Item Outer Diameter (OD) Wall Thickness (WT) Length Schedule
Range 3mm – 610mm 0.5mm – 50mm Fixed length / Random length / Custom Sch5, Sch10, Sch40, Sch80, Sch160, XXS

 

Advantages

 

Advantage Details
Ultra-High Corrosion Resistance Molybdenum (2.0–3.0%) enhances pitting/crevice corrosion resistance; PREN ~24–28; ideal for chloride & acidic chemical media
Low Carbon Anti-Intergranular Corrosion C ≤0.03% minimizes sensitization in weld HAZ; excellent post-weld corrosion resistance
Seamless Structure Integrity No welded joints; uniform wall thickness; high pressure resistance; low leakage risk for critical chemical lines
Excellent Processability Good weldability, formability, bendability; no post-weld heat treatment required in most cases
Stable High & Low Temp Performance Reliable from cryogenic to high-temperature chemical process conditions

 

Applications

 

Application Scenario Details
Chemical Processing Piping Acid/alkali/salt solution transportation, reaction pipeline, distillation/absorption systems
Petrochemical & Refinery Fluid transfer, heat exchanger tubes, reactor cooling circuits
Chloride-Containing Systems Brine, bleach, seawater desalination, chemical wastewater treatment
Pharmaceutical & Fine Chemical Sanitary process lines, high-purity medium delivery
High-Pressure & High-Temp Lines Boiler tubes, superheater tubes, thermal transfer lines

 

Quality Control & Certifications

 

Item Content
Production Process Cold drawing / hot rolling, full-process inspection
Test Items Hydrostatic test, eddy current test, ultrasonic test, tensile test, hardness test, corrosion test, intergranular corrosion test
Certifications ISO 9001, CE, TÜV, Mill Test Certificate (MTC) per EN 10204 3.1

 

Service & Supply

 

Item Details
Customization Custom OD, WT, length, surface finish, end finishing (beveled/plain)
Packaging Wooden case, steel frame, waterproof packaging, suitable for sea/air freight
Lead Time Standard items in stock; custom orders 7–25 days
Payment Terms T/T, L/C, etc.
Supply Ability Mass production, long-term supply for chemical plant projects

 

Product Show

 

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FAQ

 

Q: Why choose 316L seamless stainless steel tube for chemical plants?

A: 316L seamless stainless steel tube contains molybdenum and low carbon content, which provides excellent resistance to pitting corrosion, crevice corrosion and intergranular corrosion. It performs very well in harsh environments such as acid, alkali, chloride and high humidity. The seamless structure ensures higher pressure resistance, air tightness and structural stability, effectively reducing the risk of leakage and failure, making it the first choice for chemical plant pipelines.

Q: What standards does your high corrosion resistant 316L seamless tube comply with?

A: Our products are manufactured and inspected in strict accordance with international common standards, including ASTM A312, ASTM A269, ASTM A213, ASME B31.3 and other specifications. Each batch of products is provided with a complete factory test certificate (MTC) to ensure that the chemical composition, mechanical properties and dimensional accuracy meet the standard requirements.

Q: Can you provide customized size and surface treatment for chemical industry applications?

A: Yes, we support customized services. According to the actual needs of chemical projects, we can customize the outer diameter, wall thickness, length, end processing (flat end, bevel end), surface treatment (pickling passivation, bright annealing, polishing) and other parameters to fully adapt to different working conditions and installation methods.

Q: What corrosion resistance tests have been performed on the product?

A: In order to ensure the performance in chemical media, we have carried out a number of professional tests, including intergranular corrosion test, pitting corrosion test, hydrostatic pressure test, ultrasonic flaw detection, eddy current flaw detection, etc., to ensure that the product has stable and reliable corrosion resistance and safety performance.

Q: What is the applicable temperature range of 316L seamless tube in chemical plants?

A: The product has excellent high and low temperature resistance, and the applicable working temperature range is from -196°C to 650°C. It can maintain stable performance in cryogenic transportation, medium temperature reaction and high temperature transmission systems, and is suitable for most chemical process working conditions.

 

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Address: Chenda Road,Daqiuzhuang Town Jinghai County,Tianjin,China.

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