316 316L Stainless Steel Round Tube
Type:Seamless/welding
Technique:Cold rolled/Hot rolled
Material:Stainless Steel
Surface Treatment:Polished,2b, Ba, No.1, No.4, Hl, 8K, etc
Section Shape:Round
Process: Annealing, Pickling, Passivation
Length:1-18000mm
Thickness:1-65mm Customize:Yes End: PE Be
Transport Package:Wooden Case
HS Code:7210300000
Production Capacity:50000ton
If you have any projects involving 316 or 316L stainless steel pipes, please click the button below. We would be happy to assist you!
316 Stainless Steel Pipe in stcok
Gnee supplies 316/316L stainless steel seamless tubes that fully comply with ASTM A213, A269, A312, A249, EN, and JIS standards. We offer both seamless and welded options suitable for industrial, marine, and sanitary applications. These tubes are widely used in heat exchangers, boilers, food processing, chemical equipment, marine engineering, pharmaceutical systems, and architectural decoration.
316/316L stainless steel tubing specification
| Item | Specification |
|---|---|
| Material Grade | ASTM A312 TP316 / TP316L (UNS S31600 / S31603) |
| Standards | ASTM A312, ASTM A213, ASTM A269, ASTM A554, EN 10217, JIS G3459 |
| Tube Type | Seamless / Welded |
| Outer Diameter (OD) | 6 mm – 219 mm (1/8" – 8") |
| Wall Thickness | 0.5 mm – 12 mm (Sch 5S – Sch 40S or custom) |
| Length | 6 meters (standard), or custom cut-to-length |
| Surface Finish | Annealed & Pickled / Polished (180G, 240G, 400G, Mirror #8) |
| Mechanical Properties | Tensile Strength ≥ 485 MPa, Yield Strength ≥ 170 MPa |
| Hardness (max) | HRB ≤ 95 / HB ≤ 217 |
| Temperature Range | -196°C to 870°C (intermittent) |
| Corrosion Resistance | Excellent in chlorides, acids, and marine environments |
| Applications | Chemical processing, marine tubing, structural pipe, sanitary systems |
316/316L Stainless steel seamless pipe testing
All pipes shall be furnished in the heat-treated condition unless the order specifically states that no final heat treatment shall be applied. Tensile tests, hydrostatic test, nondestructive electric tests, ultrasonic tests, eddy-current tests, tension tests, and flattening tests shall be made to conform to the requirements specified.
316 Stainless Steel Pipe Certificate
GNEE provides manufacturer TCs (test certificates), raw material certificates, 100% radiographic testing reports, and third-party inspection reports conforming to EN 10204/3.1B standards. We also provide standard certificates such as EN 10204 3.1 and additional requirement certificates such as NACE MR 01075. Austenite content testing can be provided according to standards upon customer request.
• EN 10204/3.1B
• Raw material certificates
• 100% radiographic testing reports
• Third-party inspection reports, etc.
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316 Seamless steel Tubes Manufactures,Distributor
GNEE, with 18 years of experience in pipe manufacturing, is a trusted supplier of stainless steel pipes. The factory not only produces annealed steel pipes in standard sizes but also offers extended lengths of 18 meters and 25 meters to meet diverse customer needs. The factory is fully equipped, including cold rolling mills, smokeless furnaces, immersion tanks, ultrasonic eddy current cleaning machines, and physical and chemical laboratories.
Best quality product packaging
Packaging shall be in bundles or laminated wooden crates, wrapped in plastic, and appropriate protective measures shall be taken to ensure seaworthiness for transport or as required.
Marking shall comply with the provisions of A1016/A1016M specifications and shall include whether the pipes are hot-worked or cold-worked, including but not limited to: standard, grade, size, furnace number, and batch number.
GNEE Customer Visit
GNEE supplies 316 stainless steel pipes for export to more than 150 countries and regions, including the United States, Mexico, Venezuela, Kuwait, Colombia, Turkey, Italy, Brazil, France, Iran, and Vietnam.
FAQ
Q: What are the surface treatment options for 316L stainless steel round tubes?
A: Bright Annealed (BA)
Polished
Pickled
Mill Finish
Q: What is your terms of payment?
A: T/T 100%, or 50% balance against the copy of BL. We'll show you the photos of the products and packages before you pay the balance.
Q: What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q: How about your delivery time?
A: It will take 5 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the
quantity of your order.
Q: Can you produce according to the samples?
A: Yes, samples are available for you to check our quality, sample delivery time will be 1-10 days.
Q: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but customers have to pay the courier cost.
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