Welded Stainless Steel Tubes Supplier in India
Welded stainless steel tubes are precision-manufactured tubular products formed by rolling stainless steel sheets or strips into cylindrical shapes and joining the edges through advanced welding processes, offering cost-effective solutions with excellent dimensional accuracy, surface finish, and mechanical properties. These versatile tubes are engineered to meet demanding requirements across pharmaceutical, food processing, dairy, beverage, chemical, oil and gas, heat exchanger, instrumentation, and structural applications. Available as SS welded tubes, sanitary welded tubes, TIG welded tubes, ERW welded tubes, and laser welded tubes, these products are manufactured to meet stringent international standards for quality, consistency, and performance.
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The TIG welded tube (Tungsten Inert Gas welded) represents the highest quality welded tube, featuring precision welding with minimal heat input, narrow weld bead, excellent weld penetration, and superior mechanical properties approaching seamless tube performance. TIG welding produces clean, oxidation-free welds ideal for high-purity applications, pressure vessels, and critical service. ERW welded tubes (Electric Resistance Welded) utilize high-frequency electrical current to join tube edges through resistance heating, offering economical production with good strength and consistent quality for general industrial applications.
Laser welded tubes employ focused laser beam energy for welding, creating extremely narrow, precise weld seams with minimal heat-affected zones and exceptional weld quality. This advanced process enables manufacturing of small-diameter, thin-wall tubes with outstanding dimensional tolerances and surface finish. Plasma welded tubes use plasma arc technology for high-speed welding, combining quality with productivity for medium to large diameter tubes.
The sanitary welded tube (also called hygienic welded tube) features TIG welding with internal and external weld bead removal (scarfing), followed by bright annealing and electropolishing to achieve smooth, crevice-free surfaces meeting 3-A Sanitary Standards, ASME BPE, and FDA requirements. Bright annealed tubes undergo controlled atmosphere annealing producing shiny, oxide-free surfaces without additional pickling or polishing—ideal for pharmaceutical and food processing. Electropolished welded tubes receive electrochemical surface treatment removing surface material to achieve Ra values of 0.25-0.8 μm, enhancing corrosion resistance and cleanability.
Square welded tubes and rectangular welded tubes serve structural applications, architectural features, frames, and support systems. Capillary tubes (small diameter, thin wall) are used in instrumentation, heat exchangers, and medical devices. Additionally, SS 304 welded tubes provide excellent corrosion resistance for general industrial, architectural, and food processing applications at economical prices, while SS 316 welded tubes offer superior chemical resistance, pitting resistance, and chloride resistance for pharmaceutical, marine, and aggressive chemical environments due to their molybdenum content.
As a leading welded stainless steel tubes supplier in India and trusted sanitary welded tubes supplier India, we specialize in delivering high-quality tubular products that conform to international standards including ASTM A249, ASTM A269, ASTM A270, EN 10217-7, DIN 11850, ISO 1127, 3-A Sanitary Standards, and ASME BPE. Our comprehensive product range includes various tube grades, sizes, wall thicknesses, and surface finishes designed for specific applications. Whether you need TIG welded tubes for pharmaceutical systems or hygienic welded tubes for food processing equipment, our supply network and quality assurance systems ensure you receive certified, traceable products meeting your exact specifications.
1/4″ NB to 24″ NB Seamless 1/4″ NB to 48″ NB Welded
SCH 5 to SCH XXS
ASTM A312, A249, A269, A270
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As prominent welded tubes suppliers in Mumbai and across India, we understand the critical role these products play in system construction, fluid conveyance, structural integrity, and hygienic processing. Our position as reliable welded tubes suppliers in India enables us to serve diverse industries including pharmaceutical manufacturing, biotechnology, food and beverage production, dairy processing, chemical processing, oil and gas, power generation, water treatment, HVAC, architectural applications, and general fabrication. We maintain substantial inventory as welded tubes stockist in Mumbai to ensure immediate availability of standard sizes, grades, and finishes while also offering mill-direct procurement for large-volume projects and special specifications.
Our role as welded tubes exporters in India extends our reach to international markets across the Middle East, Southeast Asia, Africa, Europe, and North America. As dedicated stainless steel welded tubes suppliers and sanitary welded tubes exporters, we ensure timely delivery with comprehensive quality documentation including material test certificates (EN 10204 3.1), dimensional inspection reports, pressure test certificates (where applicable), surface finish reports, and compliance certifications. The SS 304 welded tubes are ideal for general industrial, architectural, food processing, and water service applications offering excellent corrosion resistance and formability at economical prices, while SS 316 welded tubes provide superior performance in pharmaceutical, chemical processing, marine environments, and corrosive service conditions.
Global Export Network
As leading Welded Tubes Exporters and Sanitary Welded Tubes Exporters, we export worldwide to:
North America: USA, Canada, Mexico
South America: Brazil, Argentina, Chile, Peru, Colombia
Europe: Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Austria, Switzerland, United Kingdom
Middle East: Saudi Arabia, UAE, Qatar, Oman, Kuwait, Bahrain
Asia: Singapore, Malaysia, Indonesia, Thailand, Vietnam, Philippines, Japan, South Korea, Sri Lanka, Bangladesh, Nepal
Africa: South Africa, Egypt, Nigeria, Kenya, Tanzania, Morocco
Oceania: Australia, New Zealand
Note: – All shipments are supplied with export-grade packaging and complete documentation.
Serving All Major Cities in India
As trusted Stainless Steel Hose Pipe Suppliers in India, we deliver products across all major industrial and manufacturing regions:
Mumbai, Navi Mumbai, Thane, Palghar, Pune, Nashik, Aurangabad, Ahmedabad, Vadodara, Surat, Vapi, Ankleshwar, Bharuch, Dahej, Jamnagar, Rajkot, Chennai, Bangalore, Coimbatore, Hyderabad, Visakhapatnam, Vijayawada, Kochi, Palakkad, Thiruvananthapuram, New Delhi, Noida, Gurugram, Faridabad, Jaipur, Neemrana, Bhiwadi, Ludhiana, Jalandhar, Kolkata, Howrah, Durgapur, Haldia, Raipur, Bhilai, Nagpur, Indore, Bhopal.
Quality Assurance
At Cera Pure Steel, quality is our priority. Every Stainless Steel Hose Pipe undergoes strict inspection and testing to ensure safety, performance, and durability. As trusted SS Hose Pipe Manufacturers, SS Hose Pipe Suppliers, and SS Hose Pipe Stockist, we deliver reliable solutions backed by certifications and industry compliance.
Types of Welded Stainless Steel Tubes We Offer
Welded Stainless Steel Tubes Pipe Specifications
| Specification | Details |
| Material Grades | SS 304, SS 304L, SS 316, SS 316L, SS 321, SS 347 |
| Hose Type | Corrugated, Braided, Flexible Hose Assembly |
| Size Range | 1/4″ NB to 12″ NB |
| Pressure Rating | Up to 350 Bar (depending on size & braiding) |
| Temperature Range | -200°C to +600°C |
| End Connections | Flanged, Threaded, TC, Union, Ferrule, Custom |
| Braiding | Single / Double SS Wire Braiding |
| Standards | ASTM, ASME, DIN, BS |
| Testing | Hydro Test, Pneumatic Test, Visual Inspection |
| Test Certificates | EN 10204 3.1 / 3.2 |
Welded Tube Types & Manufacturing Processes
Welding Process | Characteristics | Typical Applications | Size Range |
TIG Welded (GTAW) | Highest quality, narrow weld, superior properties | Pharmaceutical, food, pressure vessels | 6mm to 114mm OD |
ERW Welded | Economical, consistent quality, good strength | General industrial, structural, water | 19mm to 219mm OD |
Laser Welded | Precision, minimal HAZ, thin walls | Instrumentation, heat exchangers, medical | 3mm to 50mm OD |
Plasma Welded | High speed, medium-large diameter | Chemical processing, utilities | 50mm to 200mm OD |
Submerged Arc Welded | Large diameter, heavy wall | Oil & gas pipelines, structural | 200mm+ OD |
Sanitary Welded Tubes & Specifications (ASME BPE / 3-A)
Parameter | Standard Grade | High Purity Grade | Ultra-High Purity |
Internal Surface Finish | Ra ≤ 0.8 μm (32 Ra) | Ra ≤ 0.4 μm (15 Ra) | Ra ≤ 0.25 μm (10 Ra) |
Weld Treatment | Ground flush, scarfed | Fully scarfed, polished | Fully scarfed, electropolished |
Heat Treatment | Bright annealed | Bright annealed + passivated | BA + electropolished + passivated |
Typical Standards | DIN 11850, ISO 1127 | ASME BPE SF4 | ASME BPE SF1 |
Applications | Food, dairy, general pharma | Pharmaceutical, biotech | Bioprocessing, sterile APIs |
Price Factor | 1.0x | 1.5-2.0x | 2.5-3.5x |
Tube Size & Pressure Ratings
Outside Diameter | Wall Thickness | Schedule | Working Pressure (Bar) | Typical Flow Rate (Water) |
12mm (1/2″) | 1.0mm | 10S | 100 Bar | Up to 5 LPM |
19mm (3/4″) | 1.2mm | 10S | 90 Bar | Up to 12 LPM |
25mm (1″) | 1.5mm | 10S | 85 Bar | Up to 25 LPM |
38mm (1.5″) | 1.5mm | 10S | 60 Bar | Up to 60 LPM |
50mm (2″) | 1.5mm | 10S | 50 Bar | Up to 120 LPM |
76mm (3″) | 2.0mm | 10S | 40 Bar | Up to 300 LPM |
102mm (4″) | 2.0mm | 10S | 35 Bar | Up to 600 LPM |
Industry Compliance & Standards
Standard | Application Area | Key Requirements |
ASTM A249 | Welded Austenitic Tubes (General Service) | Material composition, mechanical properties, testing |
ASTM A269 | Seamless & Welded Austenitic Tubes (General Service) | General industrial, structural applications |
ASTM A270 | Seamless & Welded Sanitary Tubes | Food, dairy, pharmaceutical, biotech |
ASTM A554 | Welded Tubes (Mechanical Tubing) | Architectural, ornamental, structural |
EN 10217-7 | European Pressure Tubes | Pressure equipment directive compliance |
DIN 11850 | Stainless Steel Tubes for Food & Pharma | Dimensional standards, hygienic requirements |
ISO 1127 | Tubes for Food & Chemical Industries | Material, dimensions, tolerances |
3-A Sanitary Standards | Dairy & Food Equipment | Material, surface finish, cleanability |
ASME BPE | Bioprocessing Equipment | Surface finish (SF1-SF4), documentation |
PED 2014/68/EU | European Pressure Equipment | CE marking requirements |
Equivalent Grades of Welded Stainless Steel Tubes
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | EN |
SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | X5CrNi18-10 |
SS 304L | 1.4307 | S30403 | SUS 304L | 304S11 | X2CrNi19-11 |
SS 316 | 1.4401 | S31600 | SUS 316 | 316S31 | X5CrNiMo17-12-2 |
SS 316L | 1.4404 | S31603 | SUS 316L | 316S11 | X2CrNiMo17-12-2 |
SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | X6CrNiMoTi17-12-2 |
SS 321 | 1.4541 | S32100 | SUS 321 | 321S31 | X6CrNiTi18-10 |
Being a premier sanitary welded tubes supplier, we ensure every tube lot undergoes rigorous quality verification including dimensional inspection (OD, WT, length), surface finish measurement (profilometer Ra testing), hydrostatic pressure testing (where applicable), eddy current testing (weld integrity), material verification (PMI – Positive Material Identification), and complete documentation per EN 10204 3.1 or 3.2 standards. Our TIG welded tubes manufacturers network sources from certified mills with validated welding procedures, heat treatment protocols, and surface finishing capabilities.
Our electropolished tubes stockist inventory includes pharmaceutical-grade tubes with Ra ≤ 0.4 μm internal finish in popular sizes (1/2″, 3/4″, 1″, 1.5″, 2″, 3″, 4″) for immediate availability. As experienced bright annealed tubes suppliers, we provide oxide-free, shiny surface tubes requiring no further cleaning or passivation before installation. We also supply square and rectangular welded tubes for structural applications with mill test certificates and dimensional compliance per ASTM A554.
welded stainless steel tubes are essential materials for piping systems, process equipment, heat exchangers, and structural applications across all industries. As your trusted welded stainless steel tubes supplier in India, we offer a comprehensive range including TIG welded tubes, ERW welded tubes, laser welded tubes, sanitary welded tubes, bright annealed tubes, electropolished tubes, and various grades (SS 304, 304L, 316, 316L, 316Ti, 321) in multiple sizes, wall thicknesses, and surface finishes to meet diverse engineering requirements. With commitment to quality, traceability, and customer satisfaction, we have established ourselves as preferred welded tubes suppliers in Mumbai and throughout India. Our extensive experience as welded tubes exporters ensures that you receive world-class tubular products backed by complete mill test certificates, dimensional reports, pressure test certificates (where applicable), surface finish documentation, and reliable delivery logistics.
Frequently Asked Questions (FAQs)
01.
What's the difference between welded and seamless tubes?
02.
Are welded tubes suitable for pharmaceutical and food applications?
03.
What surface finish should I specify for my application?
04.
How do I verify tube quality and compliance?
05.
What material grade should I choose - 304L or 316L?
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