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Stainless Steel 304 Tubes
Stainless Steel 304 Tubes are tubular products made from austenitic SS 304 alloy containing chromium and nickel, offering excellent corrosion resistance, durability, and formability. They are widely used in industries such as food processing, chemical, pharmaceutical, construction, and heat exchangers due to their ability to withstand oxidation, moisture, and moderate temperatures while maintaining strength and a clean surface finish.
ASTM A249 TP304 Stainless Steel Tube Manufacturer & Supplier in India
SS 304L Round Tubing, ASME SA213 TP304 Stainless steel Seamless Tube, Stainless Steel 304 Welded Tubes, Stainless Steel ERW Tube and SS 304 Tubes Stockist
Solitaire Overseas is a leading manufacturer of quality Stainless Steel 304 tubes. Although SS 304 is highly resistant, it has certain boundaries: in high temperature (and high base) settings, such as sodium hydroxide, the metal may be etched or cracked- particularly when chlorides such as sodium hypochlorite are used. Nevertheless, it is still a leading option to a majority of high temperature and water-based applications. Particularly, SS 304L tubes are the most appropriate material for desalination plants since they can accommodate corrosive water making large-scale infrastructure more cost-effective to build.
When working with 304 SS welded tubes, we recommend using matching filler metals during the welding process to ensure the joints maintain the same mechanical strength and corrosion resistance as the base metal. If you are performing bending operations on 304 ERW tubes, note that they require slightly more force than standard austenitic steels. Because of their chemical stability, Stainless Steel 304 round tubes are also a standard choice for the safe storage and transport of acetic acid.
At Solitaire Overseas, you can choose the appropriate 304 grade at the best price in India, with the confidence that all products comply with ISO quality standards. While these tubes are commonly used for structural support, SS 304 hollow tubes are essential for conveying elements like oil, gas, water, and steam. Their high tensile strength and durability also make them ideal for manufacturing high-end mechanical engineering parts and specialized components for the defense industry.
Our complete range of ASTM A249 TP304 products is engineered for longevity, featuring accurate dimensions and high wear resistance. We offer various specialized forms to meet modern technology standards, including 304 electropolished tubes, capillary tubes, coiled tubing, and SS 304 EFW tubes. Whether your priority is a low carbon footprint or a clean aesthetic appearance for architectural projects, our manufacturing process ensures a premium finish that meets international requirements.
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Table of Contents
- Key Characteristics of Stainless Steel 304 Tubes
- Specifications of Stainless Steel 304 Tubes
- Chemical Composition of Stainless Steel 304 Tubes
- Mechanical Properties of Stainless Steel 304 Tubes
- Stainless Steel 304 Tubing Physical Properties
- Equivalent Grades for Stainless Steel 304 Tubes
- SS UNS S30400 Tubing Tolerances
- Stainless Steel 304 Tubes Wall Thickness
- Dimensional Tolerances for Stainless Steel 304 Tubes
- Stainless Steel TP304 Seamless Tube Sizes
- Stainless Steel 304 Tube Stock – ISO 1127 Series 1
- Types of Stainless Steel 304 Tubes
- Applications of Stainless Steel 304 Tubes
- Related Products
- FAQs About Stainless Steel 304 Tubes
Key Characteristics of Stainless Steel 304 Tubes
- Excellent Corrosive Resistance: The chromium content is very high resulting in a passive, self-mending oxide layer on the surface giving it a strong protection against rust and corrosion in a broad spectrum of atmospheric and moderately corrosive environments.
- Outstanding Formability and Weldability: This alloy is easily cold-formed, bent and deep-drawn due to its austenitic structure. It also possesses excellent welding properties and it can be welded by all the conventional welding methods. It does not usually require post-weld annealing and is therefore in much use in fabricated equipment, such as sinks and architectural elements.
- High Strength and Durability: SS 304 has an excellent tensile strength of more than 515 Mpa and toughness which makes the tubing to take huge mechanical stress and pressure throughout its service duration. It has a high operating temperature of up to 870 C, and so it is applicable to high-temperature and high-pressure applications.
These properties collectively make 304 tubing an ideal and economical choice for a wide range of applications, including sanitary kitchen equipment, chemical plants, and automotive exhaust systems.
Request SS 304 Tubes Quote !Specifications of Stainless Steel 304 Tubes
Our Stainless Steel 304 Tubes are manufactured to precise specifications to meet the needs of various industries.
| Specification | Details |
|---|---|
| Standards | ASTM A249, ASTM A213, ASME SA269,ASME SA213, ASTM A269, ASME SA249, AD 2000, PED 97/23/EC, EN 10216-5 TC1 / TC2, NACE MR0175/ISO 15156 |
| Stainless Steel 304 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| Stainless Steel 304 Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Wall thickness | 0.020" –0.220", (special wall thicknesses available) |
| Length | Standard & Cut length, Double Random,Single Random, |
| Finish | AP (Annealed & Pickled),Polished, MF , BA (Bright & Annealed) |
| Form | Boiler, Straight or ‘U’ bent Tubes, Coil, Square, Rectangular, Hollow, Round, Hydraulic, LSAW Tubes Etc. |
| Type | EFW, Fabricated ,Seamless,Welded, ERW |
| Tolerances | In accordance with: ASTM: A269 & A632, JIS: G 3459 |
| End | Treaded, Beveled End, Plain End, Ends are suitable for orbital welding |
| Test Certificate | Manufacturer Test Certificate according to EN 10204 3.1 B Laboratory Test Certificate from Govt. Approved Lab. Under Third Party Inspection |
| Testing & Inspection | Visual inspection, Surface roughness measurement, Helium-leak testing, Scanning Electron Microscopy (SEM), Auger Electron Microscopy (AES), Election Spectroscopy for Chemical Analysis (ESCA or XPS), Particle testing, Moisture testing |
Chemical Composition of Stainless Steel 304 Tubes
The precise chemical balance of SS 304 is what gives it its unique properties.
| Element | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Manganese (Mn) | Silicon (Si) | Phosphorus (P) | Sulfur (S) | Iron (Fe) |
|---|---|---|---|---|---|---|---|---|
| Content (%) | ≤ 0.08 | 18.0 - 20.0 | 8.0 - 10.5 | ≤ 2.0 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | Balance |
The high content of chromium and nickel is vital for forming the corrosion-resistant passive layer and for stabilizing the austenitic microstructure. This balance is critical for the performance of every 304 stainless steel tube.
Mechanical Properties of Stainless Steel 304 Tubes
The mechanical properties of Stainless Steel 304 are essential for its structural applications, ensuring strength and reliability under various conditions.
| Property | Tensile Strength | Yield Strength (0.2% Offset) | Elongation (in 50mm) | Hardness (Rockwell B) |
|---|---|---|---|---|
| Metric Value | ≥ 515 MPa | ≥ 205 MPa | ≥ 40% | ≤ 92 HRB |
Stainless Steel 304 Tubing Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Grades for Stainless Steel 304 Tubes
The table below outlines the common designations for Stainless Steel 304 across various international standards.
| Standard | UNS | WERKSTOFF NR. | JIS | AFNOR | BS | GOST |
|---|---|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | SUS 304 | Z7CN18‐09 | 304S31 | 08Х18Н10 / X5CrNi18-10 |
SS UNS S30400 Tubing Tolerances
We provide SS 304 (UNS S30400) tubes manufactured to strict tolerance standards. The outer diameter (OD) of our stainless steel tubing complies with ASTM A269/A213 specifications, ensuring precise dimensions for industrial and structural applications. Tube tolerances are as follows:
| Tube OD Range | Tolerance |
|---|---|
| 60 mm and above | ±0.25 mm |
| 38 mm to 60 mm | ±0.20 mm |
| 35 mm to 38 mm | ±0.15 mm |
| 4 mm to 35 mm | ±0.08 mm |
Stainless Steel 304 Tubes Wall Thickness
We offer SS 304 tubes in various wall thicknesses, ensuring strength, corrosion resistance, and durability for industrial, chemical, and structural applications. Choose from the following standard wall gauges:
| Wall Gauge | Thickness (inches) |
|---|---|
| 049 | 0.049" |
| 109 | 0.109" |
| 028 | 0.028" |
| 035 | 0.035" |
| 039 | 0.039" |
| 083 | 0.083" |
| 065 | 0.065" |
Dimensional Tolerances for Stainless Steel 304 Tubes
Our manufacturing processes adhere to strict dimensional tolerances to ensure that our 304 stainless tubing fits your systems perfectly.
| Outside Diameter (OD) Range | Permissible OD Variation | Permissible Wall Thickness (WT) Variation |
|---|---|---|
| Under 1/2" (12.7 mm) | +/- 0.005" (+/- 0.13 mm) | +/- 15% |
| 1/2" to 1-1/2" (12.7 to 38.1 mm) | +/- 0.005" (+/- 0.13 mm) | +/- 10% |
| Over 1-1/2" to 3-1/2" (38.1 to 88.9 mm) | +/- 0.010" (+/- 0.25 mm) | +/- 10% |
| Over 3-1/2" to 5-1/2" (88.9 to 139.7 mm) | +/- 0.015" (+/- 0.38 mm) | +/- 10% |
| Over 5-1/2" (139.7 mm) | +/- 0.030" (+/- 0.76 mm) | +/- 10% |
Stainless Steel TP304 Seamless Tube Sizes
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16" , 1/8" , 3/16" |
| .020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
| .012 | 1/8" |
| .016 | 1/8" , 3/16" |
| .028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
| .035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
| .083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
| .095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
| .109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
| .120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
| .125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
| .134 | 1" |
| .250 | 3" |
| .375 | 3 1/2" |
Stainless Steel 304 Tube Stock – ISO 1127 Series 1
We offer a wide range of SS 304 tubes manufactured as per ISO 1127 standards, ensuring precise dimensions, durability, and corrosion resistance for industrial applications.
| Outside Diameter (mm) | Wall Thickness (mm) | Nominal OD |
|---|---|---|
| 42.40 | 2.00 | 1 1/4" |
| 76.10 | 3.60 | 2 1/2" |
| 13.50 | 1.60 | 1/4" |
| 88.90 | 1.60 | 3" |
| 13.50 | 2.30 | 1/4" |
| 21.30 | 2.30 | 1/2" |
| 17.20 | 2.00 | 3/8" |
| 17.20 | 2.30 | 3/8" |
| 21.30 | 1.60 | 1/2" |
| 21.30 | 2.00 | 1/2" |
| 48.30 | 1.60 | 1 1/2" |
| 17.20 | 1.60 | 3/8" |
| 219.10 | 2.00 | 8" |
| 26.90 | 2.60 | 3/4" |
| 33.70 | 1.60 | 1" |
| 33.70 | 2.00 | 1" |
| 139.70 | 2.00 | 5" |
| 42.40 | 1.60 | 1 1/4" |
| 42.40 | 3.20 | 1 1/4" |
| 60.30 | 2.00 | 2" |
| 48.30 | 2.00 | 1 1/2" |
| 48.30 | 3.20 | 1 1/2" |
| 60.30 | 1.60 | 2" |
| 33.70 | 3.20 | 1" |
| 114.30 | 2.00 | 4" |
| 26.90 | 2.00 | 3/4" |
| 26.90 | 1.60 | 3/4" |
| 76.10 | 1.60 | 2 1/2" |
| 88.90 | 2.00 | 3" |
| 88.90 | 4.00 | 3" |
| 60.30 | 3.60 | 2" |
| 168.30 | 2.00 | 6" |
| 76.10 | 2.00 | 2 1/2" |
| 10.20 | 2.00 | 1/8" |
Types of Stainless Steel 304 Tubes
We provide a diverse range of SS 304 tubes to meet various application needs.
Stainless steel 304 welded tubing
GOST 08Х18Н10 Capillary Tube
ASTM A213 ‘U’ Shaped tubing
Stainless steel 304 Gas Tube Ar 15 supplier
SS UNS S30400 seamless tubing
Stainless steel tube 304 Thin Wall tube
WERKSTOFF NR. 1.4301 Tube
Stainless steel 304 Gas Tube
Stainless steel 304 Rectangle Tube
SS 304 Coiled Tubing
Stainless steel 304 Heat Exchanger Tubes
Stainless steel 304 Square Tubing
Stainless steel 304 Square Tube (Radius Corners)
Stainless steel 304 boiler tube
Stainless Steel 304 tubing
Applications of Stainless Steel 304 Tubes
Stainless Steel 304 Tubes are the go-to choice for projects that demand a balance of strength, corrosion resistance, and affordability. Their versatility allows them to be used in both structural and process applications across multiple industries.
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
Get a Quote for Stainless Steel 304 Tubes
Fill out the form below or email sales@solitaire-overseas.com for a fast, no-obligation quote on any Stainless Steel 304 Tubes
Contact UsFAQs About Stainless Steel 304 Tubes
SS 304 tubes come in a variety of outside diameters and wall thicknesses, ranging from small tubes (around 6 mm OD) to larger industrial sizes (over 200 mm OD). Both seamless and welded tubes are available depending on the application.
Seamless tubes are preferred for high-pressure and critical applications due to their strength, while welded tubes are cost-effective for general industrial and structural use.
The price of SS 304 tubes depends on factors such as tube diameter, wall thickness, length, finish, and whether it is seamless or welded. Market fluctuations in stainless steel raw materials can also influence pricing.
Choose the size based on flow requirements, mechanical load, pressure, and installation constraints. Smaller diameters are ideal for precision applications, while larger diameters are suited for industrial piping and structural support.
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