Stainless Steel 310/310S Tubes Manufacturer & Supplier
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Midland Alloys Inc. is a trusted stainless steel tube manufacturer in India, known for quality and reliability. We offer Stainless Steel 310/310S Tubes, designed for high-heat applications in industries like power, refineries, and heat treatment. Grade 310 contains high chromium and nickel for excellent strength and oxidation resistance, while 310S is the low-carbon version that improves weldability. Our 310 SS Tubing conforms to ASTM A312, A213, A249, and EN standards, with strict dimensional tolerances and smooth surface finishes. These tubes resist corrosion, withstand high temperatures, and provide great mechanical performance. As a leading Stainless Steel 310/310S Tubes exporter in Mumbai, India, we provide global shipping, custom sizes, and competitive prices. Certified to ISO 9001:2015 and PED standards, every order includes MTCs and third-party inspection if needed.
310/310S Stainless Steel tubes Overview
310/310S stainless steel tubes are designed for high-heat and corrosion-prone environments. The SUS310 UNS S31000 Tubing offers excellent oxidation resistance, strong performance at elevated temperatures, and reliable strength in harsh conditions. The SA213 TP310 Tubes contain more carbon in them, which makes them stronger. The 310S is the low-carbon version that is easier to weld. Both are ideal for heat exchangers, furnaces, and thermal processing systems. These AISI 310S Round Tube work well across industries like power, chemical, and refinery. Options such as SS 310 heat exchanger tube, WNR 1.4845 square tubing, and AISI 310S round tube provide versatility for many applications.
Benefits of Stainless Steel 310/310S tubes
Stainless Steel 310/310S tubes offer excellent resistance to heat, oxidation, and corrosion, making them ideal for high-temperature and harsh environments. They provide durability, strength, and reliability in industries like chemical processing, power generation, and marine applications.
- Excellent resistance to oxidation and corrosion at high temperatures.
- Performs well in continuous service up to 1150°C.
- Maintains strength and toughness even in cryogenic conditions.
- Suitable for both reducing and oxidizing environments.
- Highly durable in sulfur-containing atmospheres.
- Good weldability and machinability for fabrication.
- Long-lasting performance in furnace parts, heat exchangers, and kilns.
Stainless steel 310 and 310S are high-temperature stainless steels with high chromium and nickel content. They stand out for heat resistance, handling up to ~1150°C, while 310 handles ~870°C, 316 up to ~925°C, and 321 around ~900°C. SS 310/310S also has better yield and tensile strength than 310 and 316, with decent elongation. These grades are built for heat-heavy applications such as furnaces, heat exchangers, and petrochemical plants. In comparison, 310 suits food equipment and home use, 316 works well in marine and chemical areas and 321 fits aircraft and exhaust systems. Stainless steel 310/310S costs more than 310 and 316 and may not be as widely stocked, but when you need strength at high heat, nothing else performs like them.
Stainless Steel 310/310S tubes Specifications
The specifications of Stainless Steel 310/310S tubes is essential for proper material selection and engineering design, highlighting size, dimensions, finish, and many more.
Seamless Tube OD : 1/8 -12" NPS
Welded Tube OD : 6.00 mm OD up to 914.4 mm OD
EFW Tube Size : 1 / 2" NB - 24" NB
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 Stainless Steel 310/310S Tubes
Stainless Steel 310/310S tubes come in different types based on manufacturing method and tube structure. Each type offers unique benefits, making them suitable for various high-temperature and industrial applications.
Manufacturing Types
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Seamless TubesMade without any welds, these tubes offer uniform strength and smooth internal surfaces. Ideal for high-pressure and heat-critical systems.
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Welded TubesThese tubes, made by welding stainless steel strips or plates, are affordable and ideal for low to medium-pressure systems.
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ERW (Electric Resistance Welded) TubesThese tubes are made by rolling metal and welding it using electric resistance. ERW 310/310S tubes offer good dimensional accuracy and are commonly used in mechanical and engineering applications.
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EFW (Electric Fusion Welded) TubesMade using high-voltage electric fusion welding, EFW tubes are best for large-diameter and high-temperature systems like boilers and process piping.
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U-TubesU-shaped stainless steel tubes are used in heat exchangers, condensers, and boilers. They save space and allow efficient heat transfer in compact layouts.
Pipe Forms
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Round TubeA cylindrical tube widely used for structural, mechanical, and fluid transport applications due to its strength and versatility.
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Square TubeA tube with equal sides and a square cross-section, commonly used in construction, frames, and support structures.
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Rectangular TubeA tube with a rectangular cross-section that provides high strength and stability, ideal for structural and architectural use.
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Capillary TubeA very small-diameter tube designed for precise fluid or gas flow, often used in medical, instrumentation, and refrigeration applications.
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Coiled TubeA continuous tube wound into coils for efficient space-saving and flexibility, widely used in heat exchangers, condensers, and fluid transfer systems.
Midland Alloys supplies various types of Stainless Steel 310/310S tubes, ready to meet specific project needs—whether for high heat, pressure, or corrosion resistance.
Contact us today to discuss how Stainless Steel 310/310S 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
ASTM A213 310 Stainless Steel Tube is known for its balanced austenitic structure, achieved through controlled levels of chromium, nickel, and other key elements. This precise composition increases its strength, resistance to heat and localized corrosion, making it excellent for use in harsh situations.
| Grade | C | Mn | Si | P | S | Cr | Ni |
| SS 310 | 0.015 max | 2 max | 0.15 max | 0.020 max | 0.015 max | 24 – 26 | 19 – 21 |
| SS 310S | 0.08 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 24 – 26 | 19 – 21 |
ASTM A213 310 Stainless Steel Tube is known for its balanced austenitic structure, achieved through controlled levels of chromium, nickel, and other key elements. This precise composition increases its strength, resistance to heat and localized corrosion, making it excellent for use in harsh situations.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
The price of SS 310 and SS 310S tubes in India, ranges from ₹375 to ₹475 per kg. This range provides a rough benchmark but real pricing may vary depending on a number of factors, including tube size, wall thickness, finish (polished or mill), quantity and daily market conditions. Polished tubes usually cost more than mill finish ones. Custom sizes and thicker tubes have an impact on price. Small quantity orders may be charged at a slightly higher cost per kg. Midland Alloys, based, in Mumbai maintains a ready stock of SS 310/310S tubes, and provides timely delivery throughout India. We provide competitive rates for both retail and bulk orders. For the latest price or a quote tailored to your needs, contact us directly. We’ll get back with clear pricing and quick support.
Resistance Capabilities
Our Stainless Steel 304/304L tubes are great for use in food processing, marine and manufacturing environments since they don’t rust, corrode, or react with various chemicals. The austenitic structure makes the material durable and strong at high temperatures. The low carbon concentration in 304L makes it easier to weld and keeps carbide from forming, which keeps the material from rusting after fabrication. Understanding international equivalents such as ASTM, DIN or JIS is essential for global procurement, certifications, and replacements. These standards ensure that our tubes meet consistent quality and performance benchmarks worldwide, enabling smooth cross-border sourcing, regulatory compliance, and hassle-free substitutions in maintenance or project upgrades.
Stainless Steel Tubes Grades We Offer
Difference Between 310 and 310s Stainless Steel
Stainless steel 310 and 310S are similar in many ways, but the main difference is the carbon content. SS 310 has higher carbon, which gives it better strength at high temperatures. But that also makes it more likely to form carbide buildup when welded. Stainless steel 310S has lower carbon, which helps prevent carbide precipitation during welding when working in corrosive or high-heat environments. The lower carbon content makes 310S easier to weld and shape without the risk of cracking or rusting over time. Both grades offer good heat resistance and corrosion strength. While 310 offers slightly higher strength at extreme heat, 310S is the go-to choice for cleaner welds and better corrosion resistance, especially in harsh environments like boilers, heat exchangers, or furnace parts.
Manufacturing Process of 310/310S Stainless Steel Tubes
To make high-performance stainless steel tubes that are durable, reliable, and safe to use at high temperatures, the production process must be controlled and traceable. We start with high-quality raw material that is melted in an Electric Arc Furnace. Then we use AOD (Argon Oxygen Decarburization) to fine-tune it and make sure the appropriate alloy combination is locked in. The metal is cast into billets, then heated and molded using the Mannesmann process for seamless tubes or hot extrusion for shaped ones. Cold working techniques like as pilgering or cold drawing help in adjusting wall thickness, diameter, and surface polish. We follow that with solution annealing to relieve stress and boost strength. Next comes pickling or bright annealing for a clean finish, then straightening and full NDT checks to catch flaws. Each tube is certified to ASTM A312 and ISO 9001:2015 standards, with full traceability provided by Mill Test Certificates (MTCs).
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 and Uses of Stainless Steel 310/310S Tubes
Stainless Steel 310 and 310S tubes are commonly used in industries that need materials that are strong and can handle heat. These include furnaces, petrochemical factories, refineries, power generation units, and cement making facilities, places where materials must perform under extreme temperatures. Common applications include heat exchanger tubes, superheater tubes, radiant tubes, and flue gas ducts, where both strength and corrosion resistance are critical. These tubes hold up well in oxidizing and carburizing atmospheres, making them ideal for thermal processing and combustion zones. 310S, with its low carbon content is especially suited for welded structures since it resists sensitization and intergranular corrosion during welding. This makes it a trusted choice for fabrication in demanding environments. For engineers, industrial buyers and EPC contractors, SS 310/310S tubes offer long-term reliability and proven performance in tough operational conditions.
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.
Midland Alloys Inc., based in India, exports SS 310/310S tubes to customers around the globe. We ship regularly to Gulf countries like the UAE, Saudi Arabia, Oman, Qatar, and Kuwait—mostly for oil, gas, and construction work. Our presence is also growing in Europe, including Germany, the UK, France, and Italy, as well as across the Asia-Pacific region—Singapore, Malaysia, Indonesia, and South Korea. We serve clients in Africa and Latin America too, including South Africa, Egypt, Nigeria, and Brazil. Every export comes with proper customs paperwork, export-grade packaging, and careful port handling. We focus on timely delivery, no matter the size of the order. Over the years, we’ve built strong working ties with contractors, OEMs, distributors, and government buyers worldwide. Whether it’s a single shipment or a long-term project, we deliver stainless steel tubes you can trust—on time, every time.
All SS 310/310S tubes are manufactured in full compliance with international standards such as ASTM A312, A213, A249, and relevant EN norms. These standards ensure the tubes meet strict requirements for high-temperature and pressure applications. We are ISO 9001:2015 certified, which confirms that a strong quality management system is in place throughout the entire manufacturing process. Each tube comes with complete traceability backed by Mill Test Certificates (MTCs) as per EN 10204 3.1 or 3.2, giving buyers confidence in the material’s source, composition, and test results. Optional third-party inspections from global agencies like TUV, DNV, BV, SGS, and Lloyd’s Register are available to meet specific project needs or client requests. For industries requiring special compliance, the tubes can also meet PED 2014/68/EU for pressure equipment, NACE MR0175 for sour service, and AD 2000 W0 for pressure vessel design. We use a strict, end-to-end quality process that includes raw material inspection, batch traceability, production logs, mechanical testing, and full non-destructive testing (NDT) records. This approach ensures every tube is safe, reliable, and ready for critical use in demanding environments.
We pack SS 310/310S tubes with export-grade materials to offer complete protection during handling and transportation. Standard packaging comprises HDPE wrapping, shrink wrap, wooden boxes, and bundles with end caps, or according to client instructions. Every tube is properly tagged with heat numbers, size, grade, and relevant standards for easy traceability. We provide reliable domestic delivery throughout India via road and rail as well as international shipping via sea or air freight. Stock items ship the same day. while custom orders follow lead times. All exports include full documents like invoices, test reports, and compliance papers.
Why Choose Midland Alloys Inc. for SS 310/310S Tubes
Midland Alloys Inc. is a top manufacturer and exporter of high-quality Stainless Steel 310/310S Tubes. We focus on precise manufacturing and adhere to ASTM and EN requirements in ISO 9001:2015-certified processes. We provide customized solutions like as cut-to-length sizes, specific end finishes, surface treatments and non-standard schedules. Our tubes reach clients across the Gulf, Europe, Africa, and Southeast Asia. We run in-house tests, provide mill test certificates, and support third-party inspections. We ship on time and handle both small and bulk orders with care. We guarantee prompt delivery, expert support, and efficient processing of both small and large export orders. With us you get more than just material; you get quality, dependability and a reliable long-term partner.
FAQs – SS 310/310S Tubes
310S has lower carbon, which makes it better for welding. It reduces the risk of carbide buildup.
Common finishes include pickled, bright annealed (BA), and polished, depending on the application.
Not always, 310S usually doesn’t need PWHT, but it depends on service conditions and design codes.
