304 Stainless Steel Pipe and Tube Supplier in India
Stellar Alloys is a certified Manufacturer and a leading Supplier of high-quality 304 Stainless Pipe and tube to meet the harshest environments. We know that the versatility of this material and its high level of resistance to corrosion, particularly by the action of strong bases, chlorides and high-temperature water, renders it a necessity in a wide range of infrastructure, such as food processing, petrochemicals and special projects, such as desalination plants.
We make our inventory to the highest international standards and all piping is made according to ASTM A312 TP304 standard. We carry an extensive selection of dimensions, grades and final preparations, thus every type of Seamless and Welded construction is fully available. This entails the necessary wall thickness, such as Schedule 40 (general piping) and Schedule 80 pipe (critical pressure applications). Besides, we distribute specialized versions, such as 304L types and high-integrity 304 ERW Tubes.
All orders of Stellar Alloys are supported with certified Material Test Reports (MTRs) and documentation quality, so engineers and procurement managers can be sure of it. To have the prevailing 304 Stainless Pipe Price, which is in the market and competitive, or to find out directly whether we have your requested grade, standards, and various dimensions in stock, the technical sales team at this firm can offer you an expedited and professional quote promptly.
Table of Contents
- What is 304 Stainless Steel Pipe?
- 304 Stainless Steel Pipe and Tube Specifications
- Available Types of SS 304 Pipes
- Equivalent Grades of 304 Stainless Steel Pipes and Tubes
- Chemical Composition of 304 Stainless Steel Pipes
- Mechanical Properties of SS 304 Pipes
- Schedule Chart for SS 304 Welded Pipe
- 304 Stainless Steel Pipe Dimensions and Weight Chart
- Applications of 304 Stainless Steel Pipes and Tubes
- Why Choose Stellar Alloys for 304 Stainless Steel Pipes?
- Frequently Asked Questions on 304 Stainless Steel Pipes and Tubes
304 Stainless Steel Pipe and Tube Supplier Offering SS 304 Seamless Pipes, Welded Pipes, ASTM A312 TP304 Tubing, SS 304L Pipes and Tubes, Schedule 40 and Schedule 80 Options for Industrial Use
We are the 304 Stainless Steel Pipes and Tubes major Supplier. We are capable of offering high-engineered materials needed in high-stress settings. Our extensive portfolio, such as the certified SS 304 Seamless Pipes and mechanically sound Welded Pipes, is essential to any application where it is required to operate under high temperature to 870 0 C like in power generation. In cases that require an environment with even greater thermal stability, our Stainless Steel 310 Pipe will work in extreme heat conditions.
We strictly adhere to international standards in order to build trust. Our materials are of ASTM A312 TP304, and ASME SA312 TP304, which ensures quality in high-end industries such as the pharmaceutical and oil and gas industries. In projects where there is high corrosion like in the sea or harsh environment that is acidic, we also specialize in the higher grades of Stainless Steel 317L Pipe and the highly alloyed Stainless Steel 904L Pipe. Our common pipe schedules include Schedule 40 general purpose and heavy-wall Schedule 80 and also include Schedule 304L Pipes and Tubes and high-quality 304 ERW Pipes.
Our team conducts the whole manufacturing process professionally and within all the norms of manufacturing. All parameters such as chemical, mechanical, and hardness tests are examined by the quality control to achieve design error-free and dimensionally correct materials. We also offer high quality ASTM A312 TP304 Seamless Pipes at affordable prices and make good use of packaging to deliver the goods with no damages and within the shortest time possible. This renders us one of the cheapest stainless steel pipe suppliers in the market.
What is 304 Stainless Steel Pipe?
The 304 Stainless Steel Pipe is the most common grade that is used all over the world due to its higher strength, corrosion resistance, and fabricability. This material composition is made up of Chromium (approximately 18%) and Nickel (approximately 8%), a combination that is commonly known as 18/8 stainless steel, and which gives it a better resistance to a large variety of atmospheric, chemical, as well as food processing conditions. All this durability and non-reactive character make it unavoidable in industries such as dairy and pharmaceutical, as well as in architectural buildings, and cryogenic tanks.
This type of piping, which is specified under such specifications as ASTM A312 TP304 and ASME SA 312 TP304, is very critical in the transfer of fluids and gases. It comes in seamless (providing more pressure containment) and welded versions that are easily available and conform to the prescribed standards like Schedule 40 and Schedule 80 to meet a specified project pressure and wall thickness. Since 304 stainless steel is not oxidized easily and can be cleaned and sanitized, it is still the default option when the hygiene and structural integrity which are important in the long run, are needed by the industry. To help your engineering projects run on time, we have made sure that this flexible material is in stock at all times to be ordered to commence as soon as you want.
304 Stainless Steel Pipe and Tube Specifications
| Parameter | Specification Details |
| Material Grade | Stainless Steel 304, 304L |
| Standards | ASTM A312 (Pipes), ASTM A249 / A269 / A213 (Tubes) |
| UNS Number | UNS S30400 (304), UNS S30403 (304L) |
| Manufacturing Types | Seamless Pipe, Welded Pipe, ERW Pipe, EFW Pipe, Seamless Tube, Welded Tube |
| Size Range (Pipes) | ½ inch to 24 inch NB |
| Size Range (Tubes) | 6 mm OD to 114 mm OD |
| Wall Thickness | SCH 5S, SCH 10S, SCH 20, SCH 40, SCH 80, SCH 160 |
| Pipe Length | Single Random, Double Random, Custom Cut Length |
| Tube Length | Up to 6 meters, Custom Cut Length |
| Surface Finish | Mill Finish, Annealed and Pickled, Polished (180 / 240 / 320 Grit) |
| Form | Round Pipe, Square Pipe, Rectangular Tube, Coil Tubing, Capillary Tube |
| End Types | Plain End, Beveled End, Threaded End |
| Testing | Hydrostatic Test, Eddy Current Test, PMI Test, Hardness Test, Flattening and Flaring Test |
| Chemical Composition Compliance | As per ASTM A312 / ASTM A249 |
| Mechanical Properties Compliance | As per ASTM A312 / ASTM A249 |
| Corrosion Resistance | Suitable for general corrosion, mild chemicals, water, steam service |
| Applications | Process piping, heat exchangers, food processing, water treatment, fabrication, structural use |
Available Types of SS 304 Pipes
SS 304 Seamless Pipes
SS 304 Welded Pipes
SS 304 ERW Pipes
SS 304 EFW Pipes
SS 304 Rectangular Pipes
SS 304 Square Pipes
Equivalent Grades of 304 Stainless Steel Pipes and Tubes
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
Chemical Composition of 304 Stainless Steel Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
Mechanical Properties of SS 304 Pipes
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Schedule Chart for SS 304 Welded Pipe
| IPS (O.D.) | Schedule Options |
| 1/8″ (.405″) | SCH 40, 80 |
| 1/4″ (.540″) | SCH 10, 40, 80 |
| 3/8″ (.675″) | SCH 10, 40, 80 |
| 1/2″ (.840″) | SCH 5, 10, 40, 80, 160, XXH |
| 3/4″ (1.050″) | SCH 10, 40, 80, 160, XXH |
| 1″ (1.315″) | SCH 5, 10, 40, 80, 160, XXH |
| 1-1/4″ (1.660″) | SCH 10, 40, 80, 160, XXH |
| 1-1/2″ (1.900″) | SCH 10, 40, 80, 160, XXH |
| 2″ (2.375″) | SCH 10, 40, 80, 160, XXH |
| 2 1/2″ (2.875″) | SCH 10, 40, 80, 160, XXH |
| 3″ (3.500″) | SCH 5, 10, 40, 80, 160, XXH |
| 3 1/2″ (4.000″) | SCH 10, 40, 80, 160, XXH |
| 4″ (4.500″) | SCH 10, 40, 80, 160, XXH |
| 5″ (5.563″) | SCH 10, 40, 80, 160, XXH |
| 6″ (6.625″) | SCH 5, 10, 40, 80, 120, 160, XXH |
| 8″ (8.625″) | SCH 5, 10, 40, 80, 120, 160, XXH |
| 10″ (10.750″) | SCH 10, 20, 40, 80 (.500), TRUE 80 (.500) |
| 12″ (12.750″) | SCH 10, 20, 40 (.375), TRUE 40 (.406), SCH 80 (.500) |
| 14″ (14.000″) | SCH 10 (.188), SCH 40 (.375) |
| 16″ (16.000″) | SCH 10 (.188), SCH 40 (.375) |
| 18″ (18.000″) | SCH 40 (.375) |
304 Stainless Steel Pipe Dimensions and Weight Chart
| OD (mm) | WT (mm) | NPS (in) | Schedule | Weight ( |
| 13.72 | 1.65 | 1/4″ | 10S | 0.50 |
| 2.24 | 1/4″ | 40S | 0.64 | |
| 3.02 | 1/4″ | 80S | 0.81 | |
| 17.15 | 1.65 | 3/8″ | 10S | 0.64 |
| 2.31 | 3/8″ | 40S | 0.86 | |
| 3.20 | 3/8″ | 80S | 1.12 | |
| 21.34 | 2.11 | 1/2″ | 10S | 1.02 |
| 2.77 | 1/2″ | 40S | 1.29 | |
| 3.73 | 1/2″ | 80S | 1.65 | |
| 26.67 | 2.11 | 3/4″ | 10S | 1.30 |
| 2.87 | 3/4″ | 40S | 1.71 | |
| 3.91 | 3/4″ | 80S | 2.23 | |
| 33.40 | 2.77 | 1″ | 10S | 2.13 |
| 3.38 | 1″ | 40S | 2.54 | |
| 4.55 | 1″ | 80S | 3.29 | |
| 48.26 | 2.77 | 1 1/2″ | 10S | 3.16 |
| 3.68 | 1 1/2″ | 40S | 4.11 | |
| 5.08 | 1 1/2″ | 80S | 5.49 | |
| 60.33 | 2.77 | 2″ | 10S | 3.99 |
| 3.91 | 2″ | 40S | 5.52 | |
| 5.54 | 2″ | 80S | 7.60 | |
| 88.90 | 3.05 | 3″ | 10S | 6.56 |
| 5.49 | 3″ | 40S | 11.47 | |
| 7.62 | 3″ | 80S | 15.51 | |
| 114.30 | 3.05 | 4″ | 10S | 8.50 |
| 6.02 | 4″ | 40S | 16.32 | |
| 8.56 | 4″ | 80S | 22.67 | |
| 168.28 | 3.40 | 6″ | 10S | 14.04 |
| 7.11 | 6″ | 40S | 28.69 | |
| 10.97 | 6″ | 80S | 43.21 | |
| 219.08 | 8.18 | 8″ | 40S | 43.20 |
| 12.70 | 8″ | 80S | 65.63 |
Applications of 304 Stainless Steel Pipes and Tubes
The 304 Stainless Steel Pipes and Tubes are utilized in the industry where operational performance must continue without corrosion resistance, hygiene, formability and durability. They have the advantage of being used in very broad applications in industry due to their balanced mechanical properties and their compatibility with a variety of process environments.
Key Applications
- Chemical and Petrochemical Processing – For transfer lines, utility piping, fluid handling and mildly corrosive service environments.
- Food and Beverage Equipment – Used in hygienic tubing, process lines, machinery fabrication and storage systems due to easy cleaning and smooth surface finish.
- Water Treatment and Desalination Plants – Suitable for filtration assemblies, distribution lines and structural components requiring long service life.
- Oil and Gas Systems – Applied in low to medium pressure lines, instrumentation lines and supporting assemblies.
- Heat Exchangers and Condensers – SS 304 tubes are used for heat transfer, cooling systems and thermal equipment.
- HVAC and Mechanical Fabrication – For ducting supports, framework construction and engineered components.
- Architecture and Construction Projects- Applied in handrails, structures, fabrication works, and general construction in which looks and durability are important.
- Biotech Industries, Pharmaceutical–Used in preference in processes where hygiene is a key criterion, corrosion resistance and convenient sterilization.
Why Choose Stellar Alloys for 304 Stainless Steel Pipes?
Stellar Alloys is a producer of 304 Stainless Steel Pipes and Tubes, which focus on material reliability, technical consistency and delivery within the stipulated time in the project-based needs. Pipes and tubes are of certified mills and their tracing to the material origin is complete, with chemical composition and mechanical tests. This grade of documentation assists the procurement teams in checking how ASTM A312 TP304 and other specifications are going to be met.
Our team offers buyers the correct sizing advice, choice of schedule, suggestions of thickness and application advice. We have the stock of seamless welded, ERW, and schedule 40 or 80 pipes to minimize the waiting time and guarantee the presence of these pipes with urgent projects. Every batch is checked on surface finish, dimensional and weld integrity in order to achieve reliable functionality in working conditions.
Having experience in delivering chemical processing, fabrication, and water systems, engineering companies and equipment manufacturer Stellar Alloys prioritizes the practical needs like the homogeneous quality, packaging that will be used to deliver its products to long-distance markets, and client-focused support. This renders us a reliable partner to the companies that are in need of a reliable supply of SS 304 pipe used in industries.
Frequently Asked Questions on 304 Stainless Steel Pipes and Tubes
304 stainless steel pipe is an austenitic alloy, which has chromium and nickel and is used to provide the pipe with corrosion resistance, mechanical strength and clean surface finish. It is primarily employed in the chemical processing, water systems, heat exchangers and general fabrication work.
The manufacturing of 304 seamless pipe is without welds and its strength is uniform and better in terms of pressure and temperature fluctuations. 304 welded pipe is made through welding strips of steel and is used in moderate pressure applications where cost performance and availability are important.
General industrial uses of stainless steel prefer 304 because it has a limited number of chlorides, saltwater, or other aggressive chemical exposure, whereas 316 stainless steel exhibits increased resistance to chlorides because of additional molybdenum. In the majority of fabrication, water systems and chemical lines 304 stainless steel pipe makes a good selection as it is a cost effective and reliable choice.
SS 304 pipes come in schedule between 1/2 inch to 24 inch NB which include SCH 5S, SCH 10S, SCH 40, SCH 80 and SCH 160 pipes. Tubes can be manufactured in mechanical use and heat-exchangers with ODs ranging 6 mm to 114 mm.
Yes, 304 stainless steel can be used at high temperatures and is a good oxidation resistant material. Higher temperature or thermal cycling buyers can select 304H or special grade, but 304 stainless steel pipe has good operation on most industrial systems.
SS 304 pipes are also commonly employed in chemical plants, food and beverage systems, water treatment, oil and gas utilities, heat exchangers, fabrication workshops, HVAC structures and other general engineering uses.
Yes,304 stainless steel offers quality corrosion resistance in fresh water, treated water, mild chemicals and atmospheric environment. The right selection of the grades and timetable provides a greater service life under the severe conditions.
