Stainless Steel 304L Tubes

Stainless Steel 304L Tubes Manufacturer, Supplier & Exporter

Solitaire Overseas is one of the leading manufacturers, suppliers and exporters of high quality 304L stainless steel tubes. SA 213 TP304L tubes are designed in a continuous process. This provides them with great strength and durability. They are suited to the high temperatures and industry. The density of these tubes is 8 g/cm³. They have a lower content of carbon than normal 304. They contain equal proportions of manganese, phosphorus, silicon, sulphur, chromium and nickel as well. The combination of this renders them highly resistant to corrosion and simple to weld.

We supply complete varieties of stainless steel 304L tubes. This consists of seamless and welded ones. They are all designed to meet international standards such as ASTM A213 TP304L. Great weldability, low roughness and easy installation are some of the qualities helpful in 304L stainless steel tubing. It provides quality performance in harsh industrial environments.

Quality is the number one priority at Solitaire Overseas. All SS 304L tubes are carefully quality inspected to guarantee the durability of the performance. Having a big inventory, we can guarantee fast delivery and good prices and serve a wide variety of industries. Use Solitaire Overseas as the 304L stainless steel tubes are of the best quality. They are strong, anti-corrosive, and have fine engineering.

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What are Stainless Steel 304L Tubes?
Stainless Steel 304L Tubes Specifications
Chemical Composition of Stainless Steel 304L Tubes
Mechanical Properties of Stainless Steel 304L Tubes
Physical Properties of Stainless Steel 304L Tube
Equivalent Grades for Stainless Steel 304L Tubes
304L Stainless Steel Pressure Rating
Stainless Steel 304L Tube Tolerance
ASTM A 213 304L Stainless Steel Tube Sizes
Types of Stainless Steel 304L Tubes
Applications of Stainless Steel 304L Tubes
Why Choose US for Stainless Steel 304L Tubes
Related Products
FAQ’s About Stainless Steel 304L Tubes

What are Stainless Steel 304L Tubes?

Stainless Steel 304L Tubes are a low-carbon substitute for standard 304 stainless steel. The L is a symbol representing low carbon, where the highest percentage content of carbon is 0.035. Such a low level of carbon also helps to avoid a typical welding issue, carbide precipitation, that may expose the steel to corrosion. This implies that you can weld 304L tubing and can do so without having to heat-treat the metal afterward, which is a significant benefit in terms of complex fabrication. 304L stainless steel tubing is highly versatile, but it has great corrosion resistance, particularly in the marine and chemical worlds. It also is good and formable and non-magnetic in the annealed form.

ASTM B444 UNS N06625 Pipe Specification

Our Stainless Steel 304L Tubes are made to precise specifications to meet a wide range of industrial requirements.

Parameter	Details	Notes
Grade	SS 304L	Low carbon ≤ 0.035% for improved weld corrosion resistance.
Standards	ASTM A213 / ASTM A312 / ASTM A249	Optimized for welded applications without post-annealing.
Outer Diameter (OD)	3.00 mm – 168.28 mm	Slightly narrower range than 304 to match industry demand.
Wall Thickness (WT)	0.40 mm – 8.00 mm	Commonly used in sanitary and light-duty pipelines.
Shapes	Round, Square, Rectangular, Coil	Coil form popular in marine piping systems.
Lengths	Up to 24 meters, custom sizes available	Ideal for site-specific installations.

Chemical Composition of Stainless Steel 304L Tubes

The specific chemical composition of 304l stainless steel tubing is key to its properties. The low carbon content is the primary reason for its exceptional weldability.

Element	Content (%)
Carbon (C)	≤ 0.035
Chromium (Cr)	18.0 - 20.0
Nickel (Ni)	8.0 - 12.0
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.030
Iron (Fe)	Balance

Mechanical Properties of Stainless Steel 304L Tubes

SS 304L Tube has dependable mechanical properties, providing a good mix of strength and flexibility for different uses.

Property	Value	Note
Tensile Strength	≥ 485 MPa	Adequate for most industrial and marine piping.
Yield Strength	≥ 170 MPa	Slightly lower than 304 due to reduced carbon.
Elongation	≥ 40%	Excellent ductility for complex welding jobs.
Hardness	≤ 92 HRB	Matches sanitary tube requirements.

Physical Properties of Stainless Steel 304L Tube

The physical properties of Stainless Steel 304L Tube are essential for understanding its performance under various environmental conditions, particularly concerning heat and electrical conductivity.

Grade	Density (kg/m³)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/°C)	Thermal Conductivity (W/m.K)	Specific Heat 0-100°C (J/kg.K)	Electrical Resistivity (nΩ.m)
304L	8000	193	17.2	16.2	500	720
0-100°C	at 100°C

Equivalent Grades for Stainless Steel 304L Tubes

This table provides a cross-reference of SS 304L across various international standards, which is helpful for sourcing and specification in global projects.

Standard	Designation
UNS No	S30403
Old British	304S31
EN / Euronorm	1.4306 / 1.4307
Swedish SS	2332
Japanese JIS	SUS 304L
GOST	03Х18Н11
BS En No Name	X5CrNi18-10

304L Stainless Steel Pressure Rating

Selecting the correct pipe for high-pressure systems is critical for safety and operational efficiency. This table outlines the maximum allowable working pressure (in PSI) for 304L stainless steel tube products at various temperatures.

Pipe Size (inches)	Pipe Schedule	Pressure Rating (PSI) at various Temperatures (°F)
		100°F
1"	40	3048
	80	4213
	160	6140
1.5"	40	2257
	80	3182
	160	4619
2"	40	1902
	80	2747
	160	4499
3"	40	1806
	80	2553
	160	3840
4"	40	1531
	80	2213
	160	3601
5"	40	1342
	80	1981
	160	3414
6"	40	1219
	80	1913
	160	3289
8"	40	1073
	80	1692
	160	3175
10"	40	974
	80	1609
	160	3147

Stainless Steel 304L Tube Tolerance

Precision is paramount in industrial applications. This table details the permissible dimensional tolerances for SS 304L tube products, specifically concerning their outer diameter (OD). Adhering to these strict standards ensures that our 304L stainless steel tubing fits perfectly within your systems, preventing leaks and ensuring a smooth, secure installation. These tolerances are critical for the reliability and function of the final product.

Stainless Steel 304L Pipe OD	ASTM A312 TP304L Pipe Tolerance
4 to 35mm	+/- 0.08mm
35 to 38mm	+/- 0.15mm
38 to 60mm	+/- 0.20mm
60 and above	+/- 0.25mm

ASTM A 213 304L Stainless Steel Tube Sizes

Our ASTM A 213 304L Stainless Steel Tubes are available in a wide range of diameters and wall thicknesses, suitable for seamless and welded applications. Lengths are offered in single random, double random, or cut sizes to meet diverse industrial needs.

Product	Size / OD	Wall Thickness	Length Options
ASTM A213 304L Stainless Steel Tube	1/2" OD – 12" OD	0.40 mm – 12.70 mm	Single Random, Double Random & Cut Length
ASTM A213 304L Stainless Steel Seamless Tubing	3.00 mm – 219.10 mm OD	0.40 mm – 12.70 mm	Single Random, Double Random & Cut Length

Types of Stainless Steel 304L Tubes

We offer different types of Stainless Steel 304L Tubes to fit various project needs.

Tube Type	Description
Stainless Steel 304L Seamless Tube	Perfect for high-pressure systems, these tubes are made from a single piece of steel without a welded seam. This ensures maximum strength, durability, and integrity, making them ideal for critical applications in industries like oil & gas, power generation, and chemical processing.
Stainless Steel 304L Welded Tube	A more affordable choice for lower-pressure applications, these tubes are made from a strip of steel that is rolled and welded along a single seam. They offer excellent dimensional consistency, corrosion resistance, and a smooth surface finish, suitable for general industrial and decorative purposes.

Applications of Stainless Steel 304L Tubes

The low-carbon composition of Stainless Steel 304L Tubes makes them ideal for weld-heavy installations in demanding environments where corrosion prevention is critical. They are a preferred material in industries where post-weld heat treatment is not practical.

Chemical Processing Plants: Welded piping and tanks for corrosive liquid handling without post-annealing.
Marine Engineering: Shipboard fluid transfer systems, ballast water lines, and offshore platform piping with high weld integrity.
Pharmaceutical Manufacturing : Sterile processing lines and cleanroom piping requiring smooth welds and hygienic surfaces.
Food & Dairy Industry: Sanitary welded tubing for pasteurization plants, breweries, and dairy equipment.
Water Treatment Facilities: Welded distribution lines and storage vessels in chloride-bearing environments.

Why Choose US for Stainless Steel 304L Tubes

We specialize in providing low-carbon stainless steel tubes that meet the unique demands of weld-intensive and corrosion-prone environments. Our SS 304L tubes are precision-made to ensure seamless fabrication without post-weld heat treatment.

Weld-Optimized Production – Manufactured to prevent carbide precipitation in welded joints.
Sanitary & Hygienic Standards – Perfect for food, beverage, and pharmaceutical installations.
Custom Fabrication – Available in special lengths, surface finishes, and shapes for specific projects.
Rapid Delivery – Ready stock for urgent marine, chemical, and industrial orders.
Compliance Assured – Conforms to ASTM A213, ASTM A249, and ASME SA312 requirements.

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

FAQ’s About Stainless Steel 304L Tubes

What is 304L stainless steel used for?

304L stainless steel is widely used in applications requiring corrosion resistance and high-temperature strength. Common uses include chemical processing equipment, heat exchangers, boiler tubes, food processing machinery, and piping systems where welding is required.

What is the difference between SS 304 and 304L?

The main difference is carbon content. SS 304L has a lower carbon content (max 0.035%) than SS 304, which reduces the risk of intergranular corrosion after welding and makes it more suitable for high-temperature and welded applications.

What does the “L” stand for in 304L stainless steel?

The “L” in 304L stands for “Low Carbon”, indicating that the steel has lower carbon content than standard 304 stainless steel, enhancing weldability and corrosion resistance in welded structures.

Will 304L stainless steel rust?

304L stainless steel is highly resistant to rust and corrosion in most environments due to its chromium and nickel content. However, in extremely harsh conditions, such as exposure to chlorides or saltwater, some surface rust may occur over time if not properly maintained.