Stainless Steel 316/316L tubes Manufacturer
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Midland Alloys Inc. is a trusted Stainless steel 316 / 316L Tubes manufacturer in Mumbai, India, known for its constant quality, accredited methods, and dependable production. We specialize in high-performance 316 and 316L stainless steel tubes, made of molybdenum-bearing austenitic alloys that resist corrosion in harsh environments. While 316L has less carbon and is therefore preferable for weld connections in critical applications, grade 316 provides standard durability and strength. The ASTM A269 TP316L tubing comes in seamless, welded and polished variants and custom sizes for marine, chemical, food, and pharma industries. As a supplier of SS 316L welded tubes, we fully comply with ASTM A312, EN, and ISO standards while shipping within India and exporting worldwide.
What Are Stainless Steel 316 and 316L tubes?
Stainless steel 316 and 316L tubes are austenitic alloys with added molybdenum, which boosts resistance to pitting and crevice corrosion, especially in saltwater or acidic environments. Grade 316 contains standard carbon levels, while 316L has lower carbon, making it better for welding without carbide buildup. Both offer stable strength and corrosion resistance across a wide temperature range. These tubes are widely used in industries that demand hygiene, pressure containment, and long-term durability. 316L coil tubes made of stainless steel come in seamless, welded, and electropolished varieties. There are several varieties of tubes available, including AISI 316L stainless steel rectangular tubes, ASTM A213 TP316H tubes and SS 316L IBR certified tubes. The stainless steel 316L tube price varies by size, finish, and form but remains competitive for bulk and project-based supply.
Key Advantages of Stainless Steel 316/316L tubes
Stainless steel 316/316L tubes offer a good balance of strength, corrosion resistance, and workability. These qualities make them a top choice for demanding industrial applications.
- Excellent Corrosion Resistance: Withstand harsh chemicals, saltwater and acidic media without rusting or breaking down over time.
- High Temperature Strength: Maintain structural integrity and resist scaling in high-heat environments like boilers and heat exchangers.
- Superior Weldability: Low carbon in 316L prevents weld decay, allowing clean joints and strong, crack-free welds.
- Great Formability & Fabrication: Can be bent, cut, and shaped with ease, ideal for custom tube work and complex assemblies.
SS 316/316L tubes are perfect for marine, chemical and food grade applications because they are more resistant to corrosion than 304 particularly in conditions that are chloride-rich or marine. 316L has an advantage in welding due to its low carbon content, although 304 is more affordable for moderate conditions. While 321 is better suited for high-temperature applications like furnace or exhaust systems, 316/316L exhibits superior performance in moist and corrosive environments. Duplex stainless steels are superior for heavy-duty or offshore applications because of their higher strength and resistance to stress corrosion. Stainless steel 316/316L is still easier to weld and better suited for low-maintenance or sanitary systems.
Specification of 316/316L Stainless tube
The key specifications of SS 316/316L tubes, including size range, standards, available forms, end types, surface finishes, and delivery conditions.

Seamless Tube OD : 1 / 2" NB - 16" NB
Welded Tube OD : 1 / 2" NB - 24" NB
EFW Tube Size : 6.00 mm OD up to 914.4 mm OD

ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554

Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded

Round, Square, Rectangular, Hydraulic Etc

Single Random, Double Random, Standard & Cut length

Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends)

SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements
Types of SS 316/316L tubes
Stainless steel 316/316L tubes come in several types to meet different needs for strength, corrosion resistance and pressure handling. We provide an extensive selection to accommodate everything from critical industrial systems to basic pipes.
Manufacturing Types
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Seamless TubesMade without welds; ideal for high-pressure, high-temperature, and critical applications like oil, gas, and chemical plants.
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Welded TubesFormed by welding rolled plates; best for low to medium pressure systems and general industrial use.
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ERW TubesResistance to Electricity Welded tubes are utilized for light mechanical work, low-pressure fluid transmission, and structural support.
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U-TubesPre-bent tubes used in heat exchangers, boilers, and condensers to maximize thermal transfer in compact spaces.
Pipe Forms
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Heat Exchanger TubesDesigned for efficient heat transfer in power plants, petrochemical units, and HVAC systems.
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Polished TubesFeature smooth or mirror finishes; preferred in food, pharmaceutical, and decorative applications.
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Capillary TubeExtremely small-diameter tubes used in precision instruments, medical devices, and lab setups.
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Coiled TubeSupplied in long continuous lengths; used in instrumentation lines, hydraulic systems, and remote fluid delivery.
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Instrumentation TubesHigh-precision tubes for process control, gas flow, and sensor lines in chemical and offshore industries.
Contact us today to discuss how Stainless Steel 316/316L Tubes can benefit your application. Whether you need guidance in selecting the right Tubes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
SS 316 and 316L are austenitic stainless steels known for their corrosion resistance and strength. Their performance depends on the precise balance of elements defined in their chemical composition.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 11.00 – 14.00 | 67.845 min |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
Stainless steel 316/316L tubes’ mechanical performance meets ASTM requirements and is essential for structural, load-bearing and pressure-rated applications. These characteristics guarantee durability and secure operation in demanding environments.
| Grade | Density | Melting Point | Tensilee Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 316 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Grade names for SS 316/316L tubes vary by country and standard but refer to similar materials with matching properties. Below are the common international equivalents used across global specifications.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Stainless Steel Tubes Grades We Offer
The price of SS 316/316L tubes in India depends on several factors like tube type (seamless costs more than welded), size, wall thickness, finish and order volume. Rates also vary with changes in nickel and molybdenum prices, which affect stainless steel costs. Finishes like polished, annealed, or pickled add to pricing. The final quote is also impacted by delivery mode (domestic or export) and compliance with standards such as ASTM A312. Prices often fall between ₹450 and ₹650 per kilogram, as a general rule. We offer project-based quotations and bulk orders. With in-house production in Mumbai, we offer reliable quality at competitive rates.
Stainless Steel 316/316L tubes are packed using export-grade materials to prevent damage during handling and transit. Depending on the demands of our clients, we utilize end-capped bundles, wooden boxes, shrink wrap, HDPE wrapping, or customized packaging. For complete traceability, heat numbers, grade, size, and standards are tagged on every package. We offer fast domestic delivery across India by road or rail, and international shipping by sea or air. Our team handles bulk loads, urgent dispatches and project-based orders with care. Custom orders have set lead periods, however stock products frequently ship the same day. Export documents include invoices, test certificates, packing lists, and country-specific paperwork. We also follow GCC and European packing norms on request.
Why 316/316L Performs in Corrosive Environments
Midland Alloys Inc. is a trusted manufacturer and supplier of SS 316/316L tubes, known for reliable quality and on-time delivery. These tubes’ molybdenum content enhances their resistance to pitting, crevice corrosion and substances like acids and chlorides, which helps them function effectively in harsh situations. We follow ASTM and ASME standards and provide full traceability through EN 10204 3.1 certificates and third-party inspections from TUV, BV, or DNV. We keep ready stock and offer custom sizes and finishes for urgent or bulk needs. With strong export support across the Gulf, Europe, and Southeast Asia, and fast, well-handled logistics, we meet demanding project timelines. Competitive pricing, fast response, and long-term client trust make us a preferred choice for corrosion-resistant tubing.
How SS 316/316L Tubes Are Manufactured
Manufacturing stainless steel 316/316L tubes starts with selecting high-purity chromium, nickel and molybdenum alloys to ensure strength and corrosion resistance. In order to reduce the carbon content while maintaining essential components, the mixture is melted in an electric arc furnace (EAF) and then refined using argon oxygen decarburization (AOD). The refined steel is cast into solid billets, which are hot worked using the Mannesmann process for seamless tubes or extrusion and welding for welded ones. The next step is pilgering or cold drawing to adjust surface quality and proportions. After that, tubes are subjected to solution annealing to reduce stress and restore corrosion resistance, followed by brilliant annealing for a clean finish or acid pickling and polishing. We perform non-destructive tests like hydro testing, eddy current testing and Positive Material Identification (PMI) to confirm integrity and alloy grade. Final inspection includes marking, stamping, and issuing mill test certificates (EN 10204 3.1/3.2), with safe packaging for delivery.
Round Bar

Analytic

Cut to Length

Centering

Heating

Perforation

Inspection of Size

Pickling

Inspection of Surface

Lubricating

Cold Drawing (Cold Rolling)

Degreasing

Annealing

Straightening

Cut

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping
Applications of SS 316/316L tubes
SS 316/316L tubes handle harsh, high-demand applications across many industries. Chemical and petrochemical plants use these tubes, to carry corrosive fluids without breaking down. In food and beverage production, they help keep systems clean and safe from contamination. Pharmaceutical companies rely on their smooth finish and cleanability to meet strict hygiene rules. Oil and gas refineries use them in high-pressure lines and heat-intensive systems. Power plants depend on their strength in boilers, heat exchangers and condensers. Marine and offshore operators use it because of its saltwater resistance. Pulp and paper facilities use it in chemical-rich, wet areas. Architects and builders use them for strong, rust-free structures that last. They are an ideal option for demanding applications because of their clean surface, thermal strength, and corrosion resistance.
Customization Options & Stock Availability
We have a large selection of SS 310/310S tube customizing choices. We provide wall thickness adjustments, special outer diameters, cut-to-length service, and surface finishes including bright annealed, milled, and polished. Need special packaging for export or on-site use? We’ve got that covered too. We also provide third-party inspections, full material traceability, and complete documentation support, including test reports and MTCs. We have multiple sizes, so you don’t have to wait long. Whether it’s one tube or a bulk order, we make sure it fits your exact needs.
Why Choose Midland Alloys Inc. for SS 316/316L tubes
Midland Alloys Inc. is a reliable manufacturer and supplier of 316/316L stainless steel tubes. Our goal is to provide reliable, timely, and consistently high-quality service. We follow international standards like ASTM and ASME, and every order comes with full documentation, including mill test certificates (EN 10204 3.1) and options for third-party inspections from agencies like TUV, BV, and DNV. In order to meet urgent and large order requirements, we maintain a large inventory of SS 316/316L tubes and provide customized lengths and surface treatments. Our export services cover the Gulf, Europe, Southeast Asia and other key regions, supported by efficient logistics and shipping. With affordable pricing, quick responses, and strong partnerships with industrial clients worldwide, we are the dependable choice for your stainless steel tube requirements.
FAQs – SS 316/316L Tubes
Up to 870°C (1598°F) for intermittent service and 925°C (1700°F) for continuous service, depending on the specific application and environment.
Common certifications include EN 10204 3.1, Mill Test Certificate (MTC), and compliance with standards like ASTM A213/A269, PED, and NACE MR0175, depending on requirements.
Hot-finished tubes have a rougher surface, are less precise dimensionally, and are more cost-effective. Whereas, cold-finished tubes offer better surface finish, tighter tolerances, and enhanced mechanical properties.
Yes, 316/316L tubes are highly resistant to corrosion and are safe and widely used in potable water systems.



