SS 304L Seamless Tubes Manufacturer and Supplier in Thailand

Stainless Steel 304L Seamless Tubes is a low-carbon, corrosion-resistant tubes known for their excellent durability, weldability, and performance in demanding environments. Thaida, a trusted manufacturer based in Chon Buri, Thailand, specialises in producing high-quality Stainless Steel 304L Seamless Tubes with years of pipe manufacturing experience. Our tubes are available in a wide range of sizes, grades, and surface finishes, with services including custom cut-to-length and bulk supply to meet diverse industry needs. With in-house quality checks, export-ready supply, and strict compliance with ASTM and ASME standards. Known for our consistent quality, certified processes, and customer-focused approach, we are your dependable partner for Stainless Steel 304L Seamless Tubes.

Product Overview: Stainless Steel 304L Seamless Tubes

The ASTM A213 TP 304L stainless steel seamless tube is an industrial-grade, acid-resistant, and corrosion-resistant solution, designed for high-performance applications. Made from low-carbon 304L stainless steel, it offers superior weldability, making it ideal for welding and high-purity environments where carbide precipitation could weaken other materials. The seamless construction enhances its strength and ensures leak-proof performance, even under high pressure. With excellent resistance to corrosion, high temperatures, and wear, this tube is commonly used in industries such as pharmaceuticals, food processing, chemical plants, and oil and gas pipelines, where reliability and durability are essential.

304l-tube

Key Features of Stainless Steel 304L Seamless Tubes

Below are some key features of Stainless steel 304L seamless tube that make it a preferred choice for various industrial applications:

Corrosion Resistance

Low Carbon Content

The low carbon content in 304L stainless steel reduces the risk of carbide precipitation, making it ideal for welding applications and preventing corrosion at welded areas. This ensures high-quality performance in sensitive environments.

Hygienic Properties

Good Heat Resistance

304L stainless steel offers excellent heat resistance, making it suitable for high-temperature applications, such as heat exchangers and boilers, where reliable strength is crucial even in elevated temperatures.

Durability and Strength

Corrosion Resistance

Known for its excellent corrosion resistance, 304L stainless steel is ideal for harsh chemical environments, marine applications, and situations involving exposure to acidic substances, ensuring long-term durability.

Environmental Sustainability

Weldability

Due to its low carbon content, 304L stainless steel is easy to weld without the formation of harmful carbon precipitates, allowing for clean, durable joints and preventing weakening of the material.

Low Maintenance

Non-Magnetic in Annealed Condition

In its annealed condition, stainless steel seamless tube is non-magnetic, making it suitable for applications requiring minimal magnetic interference, such as in electrical and medical devices.

 

Why Choose Our Stainless Steel 304L Seamless Tubes?

Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a top manufacturer and supplier of 304L stainless seamless tubes, known for delivering exceptional quality and reliability. Our products are crafted with precision, ensuring superior corrosion resistance, excellent weldability, and long-lasting performance. Also, we offer customized solutions, fast lead times, and rigorous quality control to meet the specific needs of our customers. With a commitment to excellence and customer satisfaction, we stand out as a trusted choice for high-quality stainless steel tubes in various industries.

Competitive Pricing

Competitive Pricing

Global Exports Expertise

Global Exports Expertise

Large Inventory & Fast Dispatch

Large Inventory & Fast Dispatch

Custom Sizes & Finishes

Custom Sizes & Finishes

Industry Certifications & Compliance

Industry Certifications & Compliance

Long service life in harsh conditions

Advanced Production Technology

After-Sales Support, Service- Technical Support

After-Sales Support, Service- Technical Support

In-House Testing & Full Traceability

In-House Testing & Full Traceability

Your trusted source for SS 304L Seamless Tubes

304L Stainless Steel Seamless Tubes Specification

The detailed specifications of Stainless Steel 304L Seamless Tubes, including key information such as dimensions, material grade, tolerances, mechanical properties, and applicable standards.

Standard Specifiaction 304L Stainless Steel Tubes
Seamless Tubes Sizes 1/2 upto 8 inch Nominal Bore
Wall Thickness (WT) Schedule 5S to XXS
Processing Polishing, Polished Grit 120 to 600, Cut-to-length
Length Single Random, Double Random, Cut Length
End Plain End, Beveled End, Treaded
Materials Testing CRYO SERVICE, H2 SERVICE, OXYGEN SERVICE, NACE MR0175

Stainless Steel 304L Seamless Tubes Sizes

The Available sizes for 304L stainless steel tubes, helping you choose the right fit for your specific application

Wall Thickness Stainless Steel 304L Tubes 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"

The equivalent material grades of stainless steel 304L seamless tubes offer suitable alternatives with similar properties.

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
304L S30403 304S11 58E 1.4307 X5CrNi18-10 2332 SUS 304L

The chemical composition of 304L stainless steel tubes, highlighting elements that contribute to its performance.

Grade C Si Mn Cr Ni S P
304L ≤0.035 ≤1.00 ≤2.00 18.00–20.00 8.00–12.00 ≤0.03 ≤0.045

The key mechanical properties of stainless steel 304L seamless tube, such as tensile strength and yield strength, are used to assess their durability.

Property Value
Yield Strength 30 ksi min
Tensile Strength 75 ksi min
Elongation (min 2") 35%
Hardness (Rockwell B Scale) 90 HRB max

The physical properties of 304L seamless tubes, including density and thermal conductivity, for practical application insights.

GradeDensity (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)
0-1000C0-3150C0-5380Cat 1000Cat 5000C
304L800019317.217.818.416.221.5500720

Stainless Steel 304L Seamless Tubes Manufacturing Process

There are 5 steps involved in the stainless steel 304L seamless tubes manufacturing process which are given below. Every step of production is precisely controlled to comply with stringent industry standards.

Stainless Steel Seamless Tubes Manufacturing Process

1. Raw Material Selection
High-quality stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.

2. Tubes Formation
The selected raw material is formed into tubes using seamless extrusion methods, depending on the application.

3. Heat Treatment
Tubes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.

4. Cold Working and Finishing
After heat treatment, tubes are cold-worked for better surface finish, dimensional accuracy and improved strength.

5. Quality Control and Testing
Every tube is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.

Applications of Stainless 304L Seamless Tubes

Stainless steel 304L seamless tubes are primarily used in the chemical and petrochemical industry for transporting corrosive fluids, making it the sector with the highest demand. These tubes are used in heat exchangers, process piping, and fluid transport systems due to their excellent corrosion resistance and weldability. They are also widely used in oil and gas facilities, power plants, and food processing units where hygiene, durability, and clean fluid transfer are essential. In marine environments and water treatment plants, they ensure long service life even under constant exposure to moisture and chemicals.

Oil and Gas Industry

Chemical and Petrochemical Industry

Food and Beverage Industry

Pharmaceutical & Biotechnology

Aerospace & Defense

Power Generation & Heat Exchange

Construction and Architecture

Marine & Shipbuilding

Automotive and Transportation

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FAQ's

Can Stainless Steel 304L Seamless Tubes be used in both industrial and commercial applications?

Yes, Stainless Steel 304L seamless tubes are widely used across industrial and commercial industries due to its excellent corrosion resistance, durability, and weldability. 

Stainless steel 304L seamless tubes are used in industries such as chemical processing, oil and gas, pharmaceuticals, food and beverage, power generation, and pulp and paper, it performs reliably under high temperatures and corrosive conditions. In commercial applications, they are valued for their strength, low maintenance, and aesthetic appeal, making it suitable for architecture, plumbing, kitchen equipment, and general fabrication. The low-carbon “L” grade further enhances weldability and prevents intergranular corrosion, making SS 304L seamless tubes a practical and versatile choice for diverse applications.

Yes, Thaida can provide customized Stainless Steel 304L seamless tubes to meet specific project requirements. We offer various sizes, dimensions, and finishes tailored to industrial and commercial applications.

SS 304 seamless pipe is made from austenitic stainless steel containing 18–20% chromium and 8–10.5% nickel, offering excellent corrosion resistance, strength, and durability. SS 304L pipe, a low-carbon variant with a maximum of 0.03% carbon, provides enhanced weldability and reduced risk of sensitization, making it ideal for welded and low-temperature applications. While both grades deliver outstanding corrosion resistance and performance, SS 304 is preferred for general and high-temperature uses, whereas SS 304L is better suited for environments involving frequent welding or exposure to corrosive conditions.

304L stainless steel tubes are widely used across industries such as chemical, food and beverage, marine, and medical due to their excellent corrosion resistance, durability, and hygienic properties. It is ideal for pipelines and equipment in chemical plants, food processing units, and marine environments, as well as for medical devices, automotive components, and architectural applications. Its ability to resist corrosion after welding and maintain strength in harsh or sanitary conditions makes them a reliable choice for a wide range of industrial and commercial uses.

The “L” in 304L stainless steel denotes “Low Carbon,” with a maximum carbon content of 0.03%. This reduced carbon level enhances weldability and prevents sensitization or intergranular corrosion, particularly in welded areas. By minimizing chromium carbide formation during welding, 304L maintains its corrosion resistance without requiring post-weld heat treatment, making it ideal for welded structures and components.

Yes, 304L stainless steel tube can be easily welded, as its low carbon content prevents sensitization and maintains corrosion resistance in the weld area. Using a suitable low-carbon filler like ER308L and controlling the interpass temperature ensures strong, clean, and durable welds.

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