SS 316L Seamless Pipes Manufacturer and Supplier in Thailand
Stainless Steel 316L Seamless Pipes is a low-carbon, molybdenum-bearing grade known for its excellent corrosion resistance, especially in chloride or marine environments. Thaida is a trusted Stainless Steel 316L Seamless Pipes Manufacturer based in Chon Buri, Thailand, known for its advanced production capabilities and extensive material expertise. Our premium quality ASTM A312 TP316L pipes are manufactured to meet international standards and are recognized for their exceptional durability and resistance to corrosion. We serve various industries, including chemical processing, food and beverage, marine, and petrochemical sectors. Our ss pipes are rigorously tested and certified to ensure they meet the highest quality standards.
Other Related Products
- Stainless Steel Pipes
- Stainless Steel Seamless Pipes
- Stainless Steel 304 Seamless Pipes
- Stainless Steel 304L Seamless Pipes
- Stainless Steel 309 Seamless Pipes
- Stainless Steel 310 Seamless Pipes
- Stainless Steel 316 Seamless Pipes
- Stainless Steel 316Ti Seamless Pipes
- Stainless Steel 317 Seamless Pipes
- Stainless Steel 321 Seamless Pipes
- Stainless Steel 347 Seamless Pipes
- Stainless Steel 904L Seamless Pipes
Product Overview Stainless Steel 316L Seamless Pipes
Stainless steel 316L seamless pipes are manufactured from low-carbon 316L, a molybdenum-bearing grade known for its exceptional corrosion resistance, particularly against chlorides and acidic environments. Unlike welded pipes, SS 316L seamless pipes are produced through a process that eliminates welds or joints, ensuring uniform strength and superior integrity throughout the pipe, making it ideal for high-pressure and high-temperature applications. The seamless construction enhances their ability to withstand extreme operating conditions without the risk of leaks or failures. ASTM A312 TP 316L ss seamless pipes offer excellent durability and mechanical performance, making them suitable for chemical processing, pharmaceuticals, marine applications, and food and beverage processing. These pipes are also available in cold drawn form, providing enhanced dimensional accuracy and surface finish. The UNS S31603 seamless pipes deliver long-lasting performance and reliability under the harshest conditions.
Key Benefits of Stainless Steel 316L Seamless Pipes
The benefits of Stainless steel 316L seamless pipes include extended service life, improved weldability, heat resistance, and corrosion resistance.
Extended Service Life
Excellent Weldability & Fabrication
High Strength & Pressure Tolerance
Heat Resistance
With remarkable heat resistance, these pipes can perform well in high-temperature environments without compromising their structural integrity.
Low Carbon Content
The low carbon content in 316L stainless steel reduces the risk of carbide precipitation, making these pipes highly resistant to intergranular corrosion, particularly in welding zones.
Versatile Applications
Why Choose Thaida for Your Stainless Steel 316L Seamless Pipes Needs?
Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a reliable exporter and stockist of high-grade Stainless Steel 316L seamless pipes at 100% factory price. We are committed to consistent quality, powered by advanced production technology and backed by international certifications. Our skilled workforce ensures precise manufacturing and on-time delivery, all while prioritising customer satisfaction at every step.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Dispatch
Custom Sizes & Finishes
Industry Certifications & Compliance
Advanced Production Technology
After-Sales Support, Service- Technical Support
In-House Testing & Full Traceability
Specification of ASTM A 312 316L Stainless Steel Seamless Pipes
The 316L Stainless Steel Seamless Pipes specifications cover material grade, outer diameter, wall thickness, length, and compliance with international standards.
| Specifications: | ASTM A312 / ASTM SA312 |
|---|---|
| Range: | 6NB to 1200NB |
| Outer Diameter: | 1/8" NPS to 12" NPS |
| Thickness: | 0.6 mm to 12.7 mm |
| Schedules: | SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS |
| Length: | Single Random, Double Random & Cut Length |
| Types: | Round, Square, Rectangle, Hydraulic |
| End: | Plain End, Beveled End |
Chemical Composition Of ASTM A312 TP316L Seamless Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Other |
|---|---|---|---|---|---|---|---|---|---|
| 316L | ≤0.035 | ≤2.00 | ≤1.00 | ≤0.045 | ≤0.03 | 16.00–18.00 | 2.00–3.00 | 10.00–14.00 | – |
Mechanical Strength & Properties of Stainless Steel 316L Seamless Pipes
The following table provides the tolerance details for stainless steel seamless pipes, including information on bursting pressures to ensure optimal performance.
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness - Rockwell B (HR B) max | Hardness - Brinell (HB) max |
|---|---|---|---|---|---|
| 316L | 485 | 170 | 40 | 95 | 217 |
Physical Properties of Stainless Steel 316L Seamless Pipes
| Grade | Density (kg/m³) | Elastic Modulus (GPa) | Thermal Expansion (0–100°C) | Thermal Expansion (0–315°C) | Thermal Expansion (0–538°C) | Thermal Conductivity at 100°C (W/m·K) | Thermal Conductivity at 500°C (W/m·K) | Specific Heat (0–100°C) (J/kg·K) | Electrical Resistivity (n·m) |
|---|---|---|---|---|---|---|---|---|---|
| 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Grade specifications of 316L Stainless Steel Seamless Pipes
| Grade | UNS No | Old British BS | Old British En | Euronorm No | Euronorm Name | Swedish SS | Japanese JIS |
|---|---|---|---|---|---|---|---|
| 316L | S31603 | S31603 | - | 1.4404 | X5CrNiMo17-12-2 | 2348 | SUS 316L |
Manufacturing process of Stainless Steel 316L Seamless Pipes
Five main steps are involved in the Stainless steel 316L Seamless pipes manufacturing process, each contributing to the product’s final quality.
1. Raw Material Selection
High-quality stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working and Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Stainless Steel 316L Seamless Pipes
Stainless Steel 316L Seamless Pipes are primarily used in the chemical and petrochemical industry for transporting corrosive fluids and gases. In these environments, the pipes handle aggressive chemicals at high pressures and temperatures, ensuring long-term durability and safety. Additionally, 316L seamless pipes are widely used in the pharmaceutical, food processing, and marine industries where hygiene, non-reactivity, and resistance to saltwater corrosion are crucial.
Oil and Gas Industry
Chemical and Petrochemical Industry
Food and Beverage Industry
Pharmaceutical & Biotechnology
Aerospace & Defense
Automotive and Transportation
Construction and Architecture
Marine & Shipbuilding
Power Generation & Heat Exchange
FAQ's
How is Stainless Steel 316L Seamless Pipes different from 316 stainless steel?
The primary difference is the carbon content. The ‘L’ in 316L stands for Low Carbon which means it has a maximum carbon content of 0.03%, compared to 316’s maximum of 0.08%. This lower carbon level gives 316L superior resistance to sensitization (intergranular corrosion) during welding, making it the preferred choice for heavy-gauge welded components.
Which industries use Stainless Steel 316L Seamless Pipes?
Stainless steel 316L seamless pipes are used in industries that demand high corrosion resistance, especially after welding. Common industries include Chemical and Petrochemical plants, Pharmaceutical and Food Processing (for the sanitation properties of SS 316L seamless pipes), Marine and Shipbuilding (offering excellent resistance to marine corrosion), Oil and Gas, and Textile and Paper Mills.
Can Stainless Steel 316L Seamless Pipes be welded to other stainless steel grades, such as 304 or 316?
Yes, 316L pipes can be welded to other stainless steel grades like 304 or 316, but the correct filler metal should be used to maintain the desired properties. Welding 316L to 316 is common and can be done using 316L filler metal. The L (low-carbon) ensures excellent corrosion resistance. 304 has lower corrosion resistance than 316, especially in chloride or marine environments. When welding 316L to 304, it is important to use a filler metal with a composition that can handle the differences between the two alloys, such as 308L.
What sizes are available for Stainless Steel 316L Seamless Pipes?
Stainless steel 316L seamless pipes are available in many standard pipe sizes defined by Nominal Bore (NB) or Nominal Pipe Size (NPS), along with various wall thicknesses specified by Schedule (SCH) numbers. Sizes typically range from small diameters (e.g., 1/8″ NPS) up to very large sizes, meeting diverse industrial requirements. Specific dimensions are governed by standards like ASTM A312.
What is 316L pipe?
A 316L pipe is a pipe made from Type 316L austenitic stainless steel. It’s a low-carbon version of 316 stainless steel, containing molybdenum that improves its corrosion resistance. It is known for its excellent weldability without needing post-weld annealing. The seamless construction means it is made without a welded seam, which offers superior pressure integrity and a smooth interior. This makes it ideal for critical, high-pressure, or sanitary applications.
What is 316L stainless steel used for?
316L stainless steel is used for applications that demand enhanced corrosion resistance, especially against chlorides and industrial acids, and excellent weldability. Common applications include Chemical and food processing equipment, Marine and coastal architectural parts, Surgical instruments and medical implants, Heat exchangers and various types of process piping
Is 316L stainless steel of good quality?
Yes, 316L is considered an excellent quality stainless steel grade. It is a premium austenitic stainless steel known for its superior resistance to pitting and crevice corrosion in harsh environments compared to the common 304 grade. Its low-carbon content also makes it highly reliable for welded structures.
What is the composition of 316L pipe?
316L pipe is primarily an iron alloy with key elements that are responsible for its characteristics.
The composition includes Chromium (16.0%-18.0%), Nickel (10.0%-14.0%), Molybdenum (2.0%-3.0%) and Carbon (Max 0.03%). Molybdenum enhances corrosion resistance. Other elements like Manganese, Silicon, Phosphorus, and Sulfur are present in smaller amounts.