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316L Stainless Steel Hexagonal Pipe Tube TP316L Hex Pipe Tube Inner Dameter 6 - 70mm
| Place of Origin | China |
|---|---|
| Brand Name | DELTA |
| Certification | ISO |
| Model Number | 201 304 316L 321 310S 314 347 2205 2507 904L.etc |
| Minimum Order Quantity | 500 kgs |
| Price | 2400 - 3500 USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 10 Ton per week |
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xProduct Details
| Products | Stainless Steel Hexagonal Pipe | Grade | 304 316L 321 2205 310S 904L.etc |
|---|---|---|---|
| Standard | ASTM GB EN | Length | 6m Or As Request |
| Diameter | S14-S70 | Innner Diameter | 4 - 60mm |
| Type | Seamless Pipe | Service | Cutting |
| Other Shape | Square, Rectangle | ||
| Highlight | 316L Stainless Steel Hexagonal Pipe Tube,TP316L Hexagonal Pipe Tube,6mm Hexagonal Pipe Tube |
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Product Description
316L Stainless Steel Hexagonal Pipe Tube TP316L Hex Pipe Tube Inner Dameter6 - 70mm
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Commodity
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304 316 321 Hollow Hexagonal Stainless Steel Pipe
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Grade
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Austenitic: 304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L
Duplex steel: S31803,S32205,S32750,S32760 |
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Standard
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ASTM A213, A312, ASTM A269,ASTM A778, ASTM A789, DIN 17456,DIN 17457,DIN 17459, JIS G3459, JIS G3463, GOS T9941,EN 10216, BS3605,
GB13296,etc. |
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Technique
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Hot Rolled / Cold Drawn
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Type
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Seamless pipe
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Size
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S14*6-8 - S80*55-70mm
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Length
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custom any length as request
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Packing
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In bundles, Nylon bags, wooden cases or as required
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Delivery Time
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Ready stocks 3-7 days, customized 7-10 days for customized size
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MOQ
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1 Ton
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Export To
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Singapore, Canada, Indonesia, Korea, USA, UK, Thailand,Saudi Arabia, Vietnam,India, Peru, Ukraine ,Brazil,South Africa, etc.
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316L Stainless Steel Hexagonal Pipe – Technical Overview
1. Introduction of 316L Hexagonal Stainless Steel Pipe
316L stainless steel hexagonal pipe is a hollow hexagonal bar made from low-carbon austenitic stainless steel (316L). It offers excellent corrosion resistance (especially against chlorides and acids), high strength, and good machinability. It is widely used in chemical processing, marine environments, medical devices, and food processing industries.
2. Specifications of 316L Hexagonal Stainless Steel Pipe
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Shape & Dimensions:
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Hexagonal across flats (S): 6mm to 50mm
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Wall thickness (T): 0.5mm to 5mm
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Length: 1m to 6m (custom lengths available)
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Surface Finish: Smooth inner/outer surfaces, polished or matte options.
3. Standards Compliance of 316L Hexagonal Stainless Steel Pipe
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International Standards:
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ASTM A269/A312 (Seamless & Welded Tubes)
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ASTM A554 (Stainless Steel Welded Mechanical Tubing)
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EN 10296-2 (European Standard)
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Chinese Standards:
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GB/T 12770 (Welded Stainless Steel Pipes for Fluid Transport)
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GB/T 14976 (Seamless Stainless Steel Pipes for Structural Use)
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4. Chemical Composition (%) of 316L Hexagonal Stainless Steel Pipe
| Element | C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr | Ni | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | Balance |
Low Carbon (C≤0.03%) minimizes carbide precipitation and intergranular corrosion.
5. Mechanical Properties of 316L Hexagonal Stainless Steel Pipe
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| 316L | ≥485 | ≥170 | ≥40 | ≤217 |
Note: Cold working can enhance strength but may reduce ductility.
6. Manufacturing Process of 316L Hexagonal Stainless Steel Pipe
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Material Preparation: 316L stainless steel billets are selected.
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Forming:
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Seamless Pipes: Hot extrusion or cold drawing.
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Welded Pipes: Rolled into hexagonal shape and TIG welded.
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Heat Treatment: Solution annealing (1050–1100°C) followed by rapid cooling to restore corrosion resistance.
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Surface Treatment: Pickling, polishing, or passivation for improved finish.
7. Key Features of 316L Hexagonal Stainless Steel Pipe
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Superior Corrosion Resistance: Resists pitting and crevice corrosion in harsh environments (e.g., seawater, acids).
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High Strength-to-Weight Ratio: Suitable for structural applications.
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Hygienic & Non-Toxic: Ideal for medical and food industries.
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Aesthetic Appeal: Polished finish for architectural/decorative uses.
8. Packaging of 316L Hexagonal Stainless Steel Pipe
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Standard: Plastic caps on ends, bundled with steel straps, wrapped in waterproof film.
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Custom: Wooden crates for heavy-duty protection during transit.
9. Applications of 316L Hexagonal Stainless Steel Pipe
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Chemical Industry: Pipelines, heat exchangers, reactors.
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Marine Engineering: Ship fittings, offshore platforms.
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Medical Devices: Surgical instruments, implantable components.
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Food Processing: Brewery tanks, conveyor systems.
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Architecture: Handrails, decorative frameworks.
Summary
316L stainless steel hexagonal pipe combines durability, corrosion resistance, and versatility, making it a preferred choice for demanding industrial and commercial applications. Its compliance with international standards ensures reliability across global markets.
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