Industrial Steel Round Pipes Procurement Guide
Welcome to PS Steel Supplier. If you are thinking of purchasing Steel Round Pipes for Stainless Steel, Carbon Steel or other industrial applications, understanding the full technical spectrum—including types of stainless steel pipes and their structural capabilities—is essential for your engineering project.
Because while purchasing a pipe, simply checking that the pipe is round and made of steel is not enough. You must analyze the exact material grade, outside diameter, wall thickness, manufacturing process, surface finish, standard, and application. For precise calculations, check our SS pipe & tube weight chart list or use our pipe weight chart calculator before placing bulk orders.
Our Premium Steel Round Pipe Categories
Explore direct factory-grade pipe options tailored for international buyers and industrial projects.
SS 304 Round Pipe
304 grade is widely used in general-purpose stainless steel applications like food processing, fabrication, architectural and industrial setups.
| Grade | ASTM A312 / SS 304 |
| Thickness | SCH 10 to SCH 80 |
| Application | Food, Sanitary & Structural |
SS 316 / 316L Round Pipe
Contains molybdenum giving better corrosion resistance in chemical processing, marine, and chloride exposure environments.
| Grade | ASTM A312 / SS 316L |
| Finish | 2B / Mirror / Satin Polish |
| Application | Chemical & Marine |
Seamless Steel Round Pipe
Manufactured without a welded seam. Ideal for high-pressure, demanding mechanical applications and fluid transport lines.
| Standard | ASTM A106 / API 5L |
| Outer Diameter | 1/2" to 24" OD |
| Application | Oil & Gas, Boilers |
ERW Welded Round Pipe
Welded from steel strip/sheet. Check our MS pipe collection and MS pipe weight chart for economical structural work.
| Standard | IS 1239 / IS 3589 |
| Length | 6 Meters / 12 Meters |
| Application | Scaffolding & Structural |
Galvanized (GI) Round Pipe
Coated with zinc layers to protect against outdoor environmental weathering. Pairs well with GI pipe fittings for water infrastructure.
| Coating | Hot Dip Galvanized |
| Wall Thickness | 1.8 mm to 6.0 mm |
| Application | Water Transport & Fencing |
Precision Hydraulic Tube
High dimensional accuracy pipes designed for automobile chassis, hydraulic systems, machinery components, and precision engineering setups.
| Tolerance | Strict OD & ID Tolerance |
| Surface | Honed / Bright Annealed |
| Application | Automotive & Hydraulics |
Understanding Dimensions, Schedules & Surface Finish
When you purchase a round pipe, two things are very important—Outside Diameter (OD) and Wall Thickness. For detailed reference, you can review our stainless steel pipe sizes & dimensions guide along with the SS pipe gauge chart. If you need offline documentation, feel free to download the SS pipe size chart PDF.
What is Schedule & Thickness?
Schedule (e.g., Schedule 10, Schedule 40, Schedule 80) is directly linked to wall thickness designation. Refer to our SS pipe thickness chart to avoid standard selection errors. Note that if your project requires alternative shapes, we also manufacture steel square pipes and stainless steel rectangular pipes.
International Purchasing & Total Landed Cost
If you are an international buyer, importer, or distributor sourcing pipes in bulk—such as our clients looking for a trusted stainless steel pipe supplier in Nepal or across South Asia—do not compare product price alone. Evaluate total landed cost including product price, custom packaging, freight, and complete test documentation.
How to Send a Professional RFQ to PS Steel?
Instead of sending a simple message like “Please send pipe price”, send a complete requirement for an instant, accurate quotation:
• Material Grade (e.g., SS 304, SS 316, Carbon Steel)
• Outside Diameter (OD) & Wall Thickness / Schedule
• Manufacturing Type (Seamless / Welded)
• Surface Finish & Length
• Total Quantity & Destination Country / Port
5 Golden Rules Every Procurement Manager Should Remember
- Rule 1: Do not make a purchase decision just by looking at the name of the pipe.
- Rule 2: Always match the material grade with the project application environment.
- Rule 3: Along with diameter, verify the exact wall thickness using our SS pipe weight chart.
- Rule 4: Compare total landed cost for international import shipments.
- Rule 5: Confirm specifications and verify official stainless steel pipe certifications and Mill Test Certificates (MTC) in advance.
Get Direct Factory Quotes from PS Steel
Share your project specifications (Grade, Size, Thickness, Quantity, Destination) with us for fast response and mill test certified deliveries. You can also explore our stainless steel pipe fittings catalogue.
Architectural & Structural Steel Products
Beyond round industrial piping, PS Steel manufactures and supplies specialized architectural components. For decorative and balcony setups, check our SS railing pipe price list and refer to the SS pipes for railing weight chart to estimate total structural load.
Structural Channels & Angles
Heavy structural frameworks require high tensile strength support sections. Explore our stainless steel channels catalog, verify the SS 304 channel weight chart, or opt for mild steel channels for industrial fabrication.
View SS 304 Angle Weight Chart →Plates, Sheets & Floor Base
For heavy industrial flooring and tank construction, refer to our SS plate weight chart in KG, MS plate weight chart, or MS sheet dimensions chart. We also supply anti-skid SS chequered plates and round long neck floor flanges.
Explore Stainless Steel Angles →Flanges, Bends & Pipe Fittings
A complete piping network requires precision-engineered joint connections. Ensure leak-proof high-pressure systems using our tested pipeline fittings:
- Industrial Flanges: Check SS flanges weight chart, SS 150 Class flanges, and MS pipe flange dimension charts.
- Piping Components: Source high-grade SS bends, steel reducers, and specialized SS pipes for HVAC systems.
- Regional Supply & Valves: Get quick deliveries from our stockyards via steel pipe fittings in Lucknow, industrial valves supply, or contact our regional Gujarat SS pipe desk.
Choosing the Right Grade & Manufacturing Type
Selecting the correct material grade is crucial for ensuring chemical resistance and mechanical strength. For general industrial applications, examine our SS 304 pipe weight chart in KG. For marine, coastal, or high-acid chemical environments, upgrade to corrosion-resistant grades via our SS 316 pipe price list and SS 316 L grade pipe specifications.
High-pressure boilers and hydraulic lines require seamless steel pipes due to their uniform wall structure. For structural framing and general fluid transportation, explore ERW welded pipes or check overall market dynamics via our steel pipe price per kg guide.
Frequently Asked Questions (FAQs)
You can calculate theoretical weight using the formula: Weight (kg/m) = (OD - WT) * WT * 0.02466 (where OD is outer diameter and WT is wall thickness in mm). For quick estimation, refer to our pre-calculated SS pipe weight chart PDF download or use the MS pipe weight calculator tool.
Steel rates fluctuate based on raw material availability and market demand. Check our updated Jindal SS pipe price list and daily mild steel pipe price list for real-time rates.
Schedule numbers indicate pipe wall thickness. Higher schedules mean thicker walls and higher pressure capacity. You can cross-reference dimensions across all schedules using our SS pipe schedule chart.
Steel Round Pipe Specifications
Standard dimensional tolerances and manufacturing compliance for our complete steel pipe inventory:
| Parameter | Standard Range / Details |
|---|---|
| Outer Diameter (OD) | 1/8" to 24" NB (10.3mm to 610mm) |
| Wall Thickness | 0.5mm to 20mm (SCH 5, 10, 40, 80, 160, XXS) |
| Standard Lengths | Single Random (6m / 20ft), Double Random (12m), Cut-to-Length |
| Manufacturing Standards | ASTM A312, ASTM A213, DIN 17458, IS 1239, IS 3589 |
Theoretical Weight Calculator & PDF Chart
Quickly estimate shipment weights per meter/foot or download our comprehensive reference chart for off-line use.
| Pipe Size (NPS) | Outer Diameter (mm) | Wall Thickness (mm) | Approx Weight (KG / Meter) |
|---|---|---|---|
| 1/2" (15 NB) | 21.3 mm | 2.77 mm (SCH 40) | 1.27 kg/m |
| 1" (25 NB) | 33.4 mm | 3.38 mm (SCH 40) | 2.50 kg/m |
| 2" (50 NB) | 60.3 mm | 3.91 mm (SCH 40) | 5.44 kg/m |
| 4" (100 NB) | 114.3 mm | 6.02 mm (SCH 40) | 16.07 kg/m |
Key Industry Applications
Our heavy-duty steel round pipes serve critical operations across diverse industries:
HVAC Systems
Chilled water lines, ductwork support, and heat exchanger tubing.
Plumbing & Fluid Handling
High-pressure water supply, gas pipelines, and chemical conveyance.
Structural Fabrication
Building columns, trusses, scaffolding, and architectural frames.
Automotive Engineering
Exhaust systems, drive shafts, roll cages, and structural chassis.
Furniture & Handrails
Decorative balustrades, modular furniture, and architectural railing.
Why Choose PS Steel?
Quality Assurance
100% tested materials with Mill Test Certificates (MTC) & ISO compliance.
Direct Factory Rates
Eliminate middleman margins with direct manufacturer pricing.
Ready Stock
Massive inventory of standard sizes for immediate dispatch.
Fast Shipping
Reliable logistics network across India for fast site delivery.
Pan-India Steel Pipe Supply & Distribution Network
PS Steel is a trusted manufacturer, stockist, and exporter delivering high-grade stainless steel and mild steel pipes across major industrial hubs in India. We ensure immediate dispatch and hassle-free transit for bulk structural and industrial orders.
Ready Stock Hub
Port & Industrial
Chemical & Process
Regional Supply
Automotive & Heavy
Structural & Infra
Key Factors to Check Before Ordering Steel Round Pipes
- Dimensional Accuracy: Always verify exact outer diameter (OD) and wall thickness against standard schedule charts.
- Material Test Certificates (MTC): Ensure raw material authenticity with standard EN 10204 3.1 chemical & mechanical test reports.
- Corrosion Resistance Grade: Select SS 304 for general atmosphere and SS 316/316L for chemical/saline environments.
- Surface Finish & Polishing: Check for mirror polish (600 Grit) for architectural railings or mill finish for industrial process lines.
International Quality Standards & Certifications
Our round steel piping inventory strictly conforms to national and international manufacturing benchmarks, ensuring high durability, pressure rating, and thermal resistance: