Stainless Steel 316 Welded Tube Manufacturer & Supplier

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Neeka Tubes is a trusted SS 316 Welded Tube Manufacturer in India, offering premium-quality tubing known for strength, reliability, and corrosion resistance. Our Stainless Steel 316 Welded Tubing is crafted using molybdenum-bearing austenitic stainless steel, making it highly resistant to chlorides, harsh chemicals, and marine exposure. It’s a perfect solution for industries that need strong, long-lasting tubing for high-pressure and corrosive situations. As a dependable SS 316 Welded Tubing Supplier, we ensure every tube complies with ASTM A269, A249 standards. With precision manufacturing and strict quality checks, we deliver tubing that meets both performance needs and industry expectations.

Premium Grade SS 316 Welded Tubes, Best Deals On Stainless Steel Welded 316 Tube, SS 316 Welded Tubes Sizes, high-pressure stainless steel 316 welded tubing, Stainless Steel 316 Welded Tube manufacturers

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What is Stainless Steel 316 Welded Tubing?

Stainless steel 316 welded tubing is manufactured by rolling and welding flat strips or plates of grade 316 stainless steel into cylindrical shapes. The tube is perfect for structural and fluid transfer applications, as the welding process produces a strong, clean seam.  Its high molybdenum content provides exceptional resistance to corrosion, particularly from aggressive cleaning agents, acids, and chlorides. They are a durable, effective option made for applications, require both formability and strength. It effectively manages fabrication, bending, and welding without sacrificing integrity. These durable Stainless Steel 316 Tube Properties make it an ideal choice for engineers and decision-makers working in harsh or hygiene-critical environments.

Benefits of Stainless Steel 316 Welded Tubing

The Benefits of 316 Stainless Steel Tubing are known for its balanced performance, durability, and ease of use.

  • Excellent corrosion resistance: These tubes contain molybdenum which stops rust in its tracks. They work great in places with lots of salt or harsh acids. It stays clean and shiny even in damp or coastal air.
  • High Strength & Durability: This steel is tough and does not bend or break easily under a heavy load. It holds its shape well when things get rough on the job site. You get a solid product that stands up to daily wear and tear for a long time.
  • Superior Weldability: Joining these tubes together is simple and results in a very strong bond. The metal flows well during the welding process to prevent cracks near the seams. This makes it easier for workers to build complex systems without any weak spots.
  • Heat & Pressure Resistance: These tubes stay strong even when they get very hot or hold a lot of weight. They do not get soft or leak when the internal pressure starts to rise. This makes them a safe choice for boilers or hot liquid systems.
  • Low Maintenance: No need to spend much time or money fixing these tubes once they are in. The smooth surface stays clean and resists buildup from the inside. This saves you a lot of effort on repairs and keeps your work running.

316 vs 304 Welded Stainless Steel Tubing – Key Differences

When choosing between Stainless Steel Welded Tubing grades 304 and 316, the decision typically depends on the working environment, expected exposure to corrosive elements, and budget considerations.

Offers Better Corrosion Resistance
The biggest difference between 304 and 316 welded tubing is the presence of molybdenum in 316. Its resistance to acids, chlorides and industrial chemicals is increased by this addition which makes it the best choice in harsh situations.

More cost-effective for standard applications
 If your project doesn’t involve harsh chemicals, saltwater, or acidic solutions, Stainless Steel 304 Welded Tubing is a smart, budget-friendly option. It performs well in dry indoor settings, architectural frameworks, and general fabrication.

Excels in Harsh or Chemical-Rich Environments
 Salt spray, seawater, and chemical vapors can quickly break down standard stainless steel. That’s where 316 is ideal, commonly found in marine fittings, boat rails, offshore platforms, and chemical tanks.

Works Well in Food Prep and Residential Areas
With good resistance to oxidation and most mild chemicals, 304 works great in food prep equipment, sinks, countertops, and freshwater pipelines where exposure isn’t overly aggressive.

Preferred in Hygienic and High-Cleanliness Applications
Environments with regular washdowns or contact with acids require metal that won’t corrode or contaminate. 316 tubing excels here, especially in pharmaceutical lines, dairy plants, breweries and commercial kitchens.

Durability and lifecycle costs
While 316 is more costly initially, it pays over time by decreasing maintenance, corrosion-related failures and part replacements, particularly in harsh situations. When comparing 316 vs 304 SS tube it’s important to weigh performance over time, not just initial pricing.

The difference between 304 and 316 welded tubing is determined by the environment, exposure, and the amount of time the tubing is expected to function properly.

Most Common Types of SS 316 Welded Tubing

SS 316 Welded Tube

316 SS Welded Square Tube

SS 316 Welded Round Tube

SS 316 Welded Rectangular Tube

SS 316 Custom Welded Tube

316 Stainless Steel ERW Tube

SS 316 Polished Welded Tube

SS 316 Welded Cold Drawn Tube

Specifications of SS 316 Welded Tubing

The key 316 welded tube specifications cover dimensions, manufacturing tolerances, and industry standards that ensure compliance with SS 316 welded tubing standards.

Standard SpecificationASTM /ASME A269, A249 /SA269, SA249
Manufacturing TypeERW / Welded / Fabricated / CDW / DOM / CEW / 100% X Ray Welded
Delivery ConditionAnnealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF
Surface FinishBA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish ASME SA249 Standard Tubing or Custom Finish as per customer’s specification
Outside Diameter (OD)6 to 304.8 mm
Wall Thickness Range0.5 to 6 mm
StandardSUS, JIS, AISI, ASTM, GB, DIN, EN
Value Added Services
  • Cutting
  • Beveling
  • Threading
  • Polishing (Electro & Commercial)
  • Draw & Expansion as per required Size & Length
  • Destructive and Non Destructive
  • Ultrasonic Testing
  • Annealed & Pickled Bending
Processing ServiceBending, Welding, Decoiling, Punching, Cutting, Moulding
TechniqueWelded Austenitic Steel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube
Tolerance
  • Outer Diameter: +/- 0.2mm
  • Thickness: +/- 10% OR as customer request
  • Length: +/- 10mm
Test Certificate
  • DFARS compliant
  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
  • 100% Radiography Test Report
  • Raw Materials Certificate
  • Third Party Inspection Report
  • Fumigation Certificates
  • Heat Treatment Charts
  • HS Code Commercial Invoice
  • Form A for Generalized System of Preferences (GSP)
  • Manufacturer Test Certificate
  • Moisture testing
  • Surface roughness measurement
  • Laboratory Test Certificate from Govt. Approved Lab
PackagingPacked in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request
SS 316 Welded Tubes, Best Deals On Stainless Steel Welded 316 Tube, SS 316 Welded Tubes Price, SS 316 Welded Tubes Sizes, Stainless Steel 316 Welded Tube manufacturers

This table details the chemical composition of SS 316 welded tubing, specifying the percentage ranges of key elements like chromium, nickel, molybdenum, carbon, and others that ensure corrosion resistance.

NickelMolybdenumChromiumIronTungstenCobaltManganeseVanadiumSiliconPhosphorusSulfurCarbon
99.0% min.0.25% max.0.40% max.0.35% max.0.15% max.0.35% max.0.35% max.0.35% max.0.35% max.0.35% max.0.35% max.0.01% max.

The mechanical properties for SS 316 welded tubing, including tensile strength and elongation, ensure the tube performs reliably under specified conditions per industry standards.

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31400 °C (2550 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Equivalent grades of SS 316 welded tube for several global standards are listed below to help with material selection and specification matching.

STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
SS 3161.4301S30400SUS 304304S3108Х18Н10Z7CN18‐09X5CrNi18-10
Contact Neeka tubes today for a best offer & competitive quotation Of SS 316 Welded Tubing Please Call on +91 7700067892 or drop an E-Mail : sales@neekatubes.net

UNS S31635 Welded Tubes Dimensions

The Dimensions table for UNS S31635 welded tubes specifies size ranges and tolerances that conform to ASTM A269 316 tube requirements.

OD inchesAve. Wall inchesD/t RatioID inchesTube Cross Sectional Area (in2)Internal Area (in2)
0.2500.02012.500.2100.01450.0346
0.2500.0288.930.1940.01950.0296
0.2500.0357.140.1800.02360.0254
0.2500.0495.100.1520.03090.0181
0.2500.0653.850.1200.03780.0113
0.3750.02018.750.3350.02230.0881
0.3750.02813.390.3190.03050.0799
0.3750.03510.710.3050.03740.0731
0.3750.0497.650.2770.05020.0603
0.3750.0655.770.2450.06330.0471
0.5000.02025.000.4600.03020.1662
0.5000.02817.860.4440.04150.1548
0.5000.03514.290.4300.05110.1452
0.5000.04910.200.4020.06940.1269
0.5000.0657.690.3700.08880.1075
0.5000.0836.020.3340.10870.0876
0.6250.02031.250.5850.03800.2688
0.6250.02822.320.5690.05250.2543
0.6250.03517.860.5550.06490.2419
0.6250.04912.760.5270.08870.2181
0.6250.0659.620.4950.11440.1924
0.6250.0837.530.4590.14130.1655
0.6250.0956.580.4350.15820.1486
0.6250.1095.730.4070.17670.1301
0.7500.02826.790.6940.06350.3783
0.7500.03521.430.6800.07860.3632
0.7500.04915.310.6520.10790.3339
0.7500.06511.540.6200.13990.3019
0.7500.0839.040.5840.17390.2679
0.7500.0957.890.5600.19550.2463
0.7500.1096.880.5320.21950.2223
0.7500.1206.250.5100.23750.2043
0.8750.02043.750.8350.05370.5476
0.8750.02831.250.8190.07450.5268
0.8750.03525.000.8050.09240.5090
0.8750.04917.860.7770.12720.4742
0.8750.06513.460.7450.16540.4359
0.8750.08310.540.7090.20650.3948
0.8750.0959.210.6850.23280.3685
0.8750.1098.030.6570.26230.3390
0.8750.1207.290.6350.28460.3167
1.0000.02835.710.9440.08550.6999
1.0000.03528.570.9300.10610.6793
1.0000.04920.410.9020.14640.6390
1.0000.06515.380.8700.19090.5945
1.0000.08312.050.8340.23910.5463
1.0000.09510.530.8100.27010.5153
1.0000.1099.170.7820.30510.4803
1.0000.1208.330.7600.33180.4536
1.0000.1347.460.7320.36460.4208
1.2500.03535.711.1800.13361.0936
1.2500.04925.511.1520.18491.0423
1.2500.06519.231.1200.24200.9852
1.2500.08315.061.0840.30430.9229
1.2500.09513.161.0600.34470.8825
1.2500.10911.471.0320.39070.8365
1.2500.12010.421.0100.42600.8012
1.2500.1349.330.9820.46980.7574
1.5000.03542.861.4300.16111.6061
1.5000.04930.611.4020.22341.5438
1.5000.06523.081.3700.29301.4741
1.5000.08318.071.3340.36951.3977
1.5000.09515.791.3100.41931.3478
1.5000.10913.761.2820.47631.2908
1.5000.12012.501.2600.52021.2469
1.5000.13411.191.2320.57501.1921
1.5000.14810.141.2040.62861.1385
1.7500.03550.001.6800.18862.2167
1.7500.04940.821.9020.30032.8413
1.7500.06526.921.6200.34412.0612
1.7500.08321.081.5840.43471.9706
1.7500.09518.421.5600.49391.9113
1.7500.10916.061.5320.56191.8433
1.7500.12014.581.5100.61451.7908
1.7500.13413.061.4820.68031.7250
1.7500.14811.821.4540.74491.6604
1.7500.16510.611.4200.82161.5837
2.0000.03557.141.9300.21612.9255
2.0000.04940.821.9020.30032.8413
2.0000.06530.771.8700.39512.7465
2.0000.08324.101.8340.49992.6417
2.0000.09521.051.8100.56852.5730
2.0000.10918.351.7820.64752.4941
2.0000.12016.671.7600.70872.4328
2.0000.13414.931.7320.78552.3561
2.0000.14813.511.7040.86112.2805
2.0000.16512.121.6700.95122.1904

SS 316 Welded Tubing Weight Chart

This weight chart provides calculated weights for SS 316 welded tubing based on size and wall thickness, useful for logistics and material estimation.

Diameter Outside-
A x material-
thickness t (mm)		Weight
kg/meter		Diameter Outside-
A x thickness-
stärke t (mm)		Weight
kg/meter
12×20,5157×34,11
17×1,50,7763,5×22,36
17×20,9370×1,52,61
18×10,4370×23,45
18×1,50,6370×35,11
18×20,8175×23,71
20×10,4876,1×1,63,03
20×1,50,7076,1×23,76
20×20,9176,1×2,64,85
14×10,3360,3×22,96
14×1,50,4860,3×2,63,81
15×10,3660,3×2,94,23
15×1,50,5160,3×34,37
15×20,6660,3×3,34,71
16×10,3860,3×3,65,18
16×1,50,5560,3×45,72
16×20,7160,3×57,02
17×10,6063,5×1,52,36
10×10,2354×22,64
10×1,50,3255×22,69
12×10,2857×1,52,11
20×31,3076,1×35,39
21,3×10,8076,1×3,76,72
21,3×1,50,9880×1,52,99
21,3×2,61,2380×23,96
22×10,5380×35,87
6×10,1353×1,51,96
8×10,1854×1,52,00
13×10,3060,3×11,51
13×1,50,4460,3×1,52,24
12×1,50,4057×22,79
22×1,50,7880×47,72
23×21,0784×24,17
24×10,8685×24,22
24×1,50,5888,9×24,41
25×10,6188,9×2,65,70
25×1,50,9088,9×36,55
25×21,1788,9×3,16,65
25×2,51,4388,9×48,63

Heat & Corrosion Resistance Ratings

SS 316 welded tubing offers excellent heat and corrosion resistance, making it ideal for demanding industrial and marine applications. It can withstand intermittent high-temperature exposure up to 925°C (1697°F) and continuous service temperatures up to 870°C (1598°F) without loss of strength or oxidation issues. The presence of molybdenum enhances its resistance to chloride-induced pitting and crevice corrosion, which are common in seawater, brine, and chemical processing environments. This makes SS 316 welded tubing highly durable and reliable, even in acidic or aggressive media, ensuring long-term performance with minimal degradation.

SS Welded 316 Tubing Manufacturing Process

We manufacture SS 316 welded tubing using advanced processes to ensure superior corrosion resistance, weld integrity, and precise dimensions.

  • High-quality 316 stainless steel strips or coils are selected as raw material.
  • The strips are formed into tubes using precision roll forming techniques.
  • Automatic Tungsten Inert Gas (TIG) welding ensures a strong, clean weld seam.
  • Welded tubes undergo solution annealing to enhance mechanical properties and corrosion resistance.
  • Pickling and passivation are performed to remove heat tint and restore the stainless steel’s corrosion resistance.
  • Non-destructive testing, such as eddy current and ultrasonic testing, verifies weld integrity and internal soundness.
  • Final dimensional and surface inspections are carried out in accordance with ASTM A269 or ASTM A249 standards.

Packaging & Delivery of ASTM A249 TP316 Welded Tubing

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We take the packaging of SS 316 welded tubing seriously to ensure every order arrives in perfect condition. Each tube is coated in moisture-proof material and has plastic end caps to protect against scratches, dirt, and impact. To ensure safety, we put the tubes in sturdy hardwood crates, with visible labeling for easy traceability. We follow international standards, including fumigation and crate reinforcement, so your stainless steel tubing shipment stays secure through long transit. Need something specific? We can provide custom packing alternatives, to meet your specific project or shipment needs. We manage the timely delivery of SS 316 welded tubes through a dependable logistics network, whether it’s a domestic or global shipment

Testing & Certifications for SS 316 Welded Tubing

Every SS 316 seamless pipe goes through a full set of quality checks before shipping. We carry out hydrostatic and pneumatic pressure tests to ensure leak-free performance. We can detect interior faults, using non-destructive procedures such as ultrasonic testing (UT), and eddy current testing (ECT). We use spectroscopy and PMI to verify materials. Mechanical tests, including tensile, hardness, and flattening, confirm pipe strength and durability. Our stainless steel pipe certification process involves third-party examination, which is supported by EN 10204 3.1 or 3.2 certificates. All SS 316 pipe testing adheres to ASME and global standards to ensure complete compliance.

Why Choose Neeka Tubes for SS 316 Welded Tubing

Neeka Tubes is a trusted name in the industry for SS 316 welded tubing manufacturer, known for quality assurance, customization, and on-time delivery.

  • Our stainless steel welded tubing is manufactured under ISO 9001:2015 certified systems, ensuring global quality compliance.
  • Each SS 316 welded tube undergoes rigorous in-house quality checks, with third-party inspection available upon request.
  • We maintain a wide inventory of tubing sizes to meet urgent requirements with minimal lead times.
  • Customization services like cut-to-length, polishing, and special packaging are available to meet your exact needs.
  • Our SS 316 welded tubing is widely used across industries including chemical processing, water treatment, pharmaceuticals, and marine applications.
  • We provide competitive pricing and offer reliable global shipping you can count on.

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Applications of Stainless Steel 316 Welded Tubes

Stainless Steel 316 welded tubing is known for its superior corrosion resistance, strength and clean finish. These features make it the preferred choice in a variety of demanding sectors.

  • Chemical and petrochemical plants: SS 316 welded tubing is reliable in corrosive situations. It’s widely used for transporting aggressive chemicals, and process fluids, making it ideal for chemical processing stainless tubing.
  • Marine and Offshore Environments: With excellent resistance to saltwater and harsh weather, this marine grade welded tubing is suitable for offshore rigs, shipbuilding, and coastal infrastructure.
  • Pharmaceutical and Food Industries: Hygiene and safety are critical in these sectors. Pharma tubing SS 316 supports sanitary fluid transfer and meets strict industry cleanliness standards.
  • Heat Exchangers, Condensers, and Boilers: Due to its thermal stability and corrosion resistance, stainless steel 316 welded tubing is often used in high-pressure, and high-temperature equipment.
  • Architectural Structures and Railings: Its clean finish and strength make SS 316 an ideal option for modern architectural elements, handrails, and structural supports.
  • Water Treatment and Desalination Plants: This tubing resists scaling and corrosion from treated and saline water, supporting long-term performance with minimal maintenance.
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