316 SS Seamless Tubes Manufacturer and Supplier in Thailand

Stainless Steel 316 seamless tubes are premium-grade tubes known for their exceptional corrosion resistance, high strength, and durability, making them ideal for demanding industries like marine, chemical processing, oil & gas, and pharmaceuticals. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., based in Chon Buri, specialises in high-performance stainless steel seamless tubes, backed by years of manufacturing expertise. As a trusted supplier, we offer a wide range of sizes and grades, along with custom cut-to-length and bulk supply services to meet diverse industrial needs. Our strict quality control, deliver reliable and long-lasting tubing solutions for global clients. Choose us for precision-engineered SS 316 seamless tubes tailored to your specifications.

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Product Information of Stainless Steel 316 Seamless Tubes

Stainless Steel 316 Seamless Tubes are high-performance piping components manufactured through a precision extrusion process that creates a continuous, joint-free structure without any welded seams. Made from premium 316-grade austenitic stainless steel alloyed with 2-3% molybdenum, these tubes offer superior corrosion resistance – especially against chlorides, acids, and saline environments – compared to standard 304 stainless steel. The seamless construction provides enhanced structural integrity with uniform wall thickness, exceptional pressure containment capabilities, and improved resistance to stress corrosion cracking. These properties make SS 316 seamless tubes ideal for critical applications in demanding industries like oil & gas, chemical processing, marine environments, and pharmaceutical systems where reliability and durability are paramount. The absence of welds eliminates potential weak points, ensuring maximum performance under high pressure, extreme temperatures (up to 870°C/1600°F), and corrosive conditions while maintaining a smooth internal surface for optimal fluid flow and cleanliness.

Key Benefits of Stainless Steel 316 Seamless Tubes

SS 316 Seamless Pipes feature enhanced weldability and low carbon content explore dimensions, pressure ratings, and material properties in our features table.

With added molybdenum, these tubes resist pitting, crevice corrosion, and chemical attack in harsh conditions—perfect for marine and chemical industries.

Maintains structural integrity in elevated temperatures, ensuring safe and reliable use in boilers, heat exchangers, and pressure vessels.

Leak-proof and uniform, seamless tubes reduce maintenance needs, enhance system safety, and support smooth fluid or gas flow.

Offers high tensile and yield strength with excellent formability and weldability—ideal for fabrication and long-term usage.

Why Choose Thaida for 316 Seamless Stainless Steel Tubing?

Thaida is a trusted SS 316 seamless tubing manufacturer and stainless steel tube supplier based in Thailand, offering a unique blend of quality, precision, and service. We ensure competitive pricing and consistent quality backed by comprehensive in-house testing and full traceability of materials. With global export expertise, we serve diverse industries across borders, delivering custom sizes and finishes tailored to specific project requirements. Our facilities maintain large inventories for fast dispatch, minimizing lead times. Certified to meet stringent international standards, we guarantee industry compliance and product reliability, making us the preferred partner for stainless steel solutions in critical applications.

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Specification of Stainless Steel 316 Seamless Tubes

Check the full 316 Seamless Stainless Steel Tubing table technical specifications including size ranges, schedules, surface finishes and testing methods for industrial applications.

Standard	ASTM A213 \| ASME B36.19
Seamless Tubes Sizes	0.1" to 7/8"
Capillary Tubes Sizes	0.35mm to 6.35mm
Coil Tubes Sizes	3.35 to 101.6 mm
Form	Square, Hex, Flat, Rectangle

ASTM A213 SS 316 Seamless Tubes Chemical Composition

Check the complete ASTM A213 SS 316 Seamless Tubes chemical composition, including chromium, nickel and molybdenum percentages in our detailed table.

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Other
316	≤0.08	≤2.00	≤1.00	≤0.045	≤0.03	16.00-18.00	2.00-3.00	11.00-14.00	–

316 Stainless Steel Seamless Tubes Physical Properties

View key physical properties table of 1.4401 Stainless Steel Seamless Tubes including density, melting point and thermal conductivity in our detailed table.

Grade	Density	Specific Heat from 0 to 1000C	Thermal Conductivity		Modulus	Mean Coefficient			Electrical Resistivity
Grade	Density	Specific Heat from 0 to 1000C	at 5000C	at 1000C	Modulus	0 – 5380C	0 – 1000C	0 – 3150C	Electrical Resistivity
316	8.0 g/cm³	500	18.7	14.2	200	17	15.9	16.2	720 n.m

Stainless Steel 316 Seamless Tubes Mechanical Properties

Mechanical Properties of stainless steel UNS S31600 seamless tube, such as tensile strength, yield strength, elongation, and hardness, are listed here.

GRADE	TENSILE STRESS (MPA) MIN	YIELD STR 0.2% PROOF (MPA) MIN	ELONG (% IN 50MM) MIN	HARDNESS
GRADE	TENSILE STRESS (MPA) MIN	YIELD STR 0.2% PROOF (MPA) MIN	ELONG (% IN 50MM) MIN	ROCKWELL B (HR B) MAX	BRINELL (HB) MAX
SS 316 Tubes	515	205	40	95	217

ASTM A213 SS 316 Seamless Tubes Pressure Rating

Explore the ASTM A213 SS 316 Tubes Pressure Rating chart, wall thickness, OD, and working pressure limits.

Outside Diamter (O.D.) (Inch)	Working Pressure (per square Inch Gauge)	Tube Wall (Inch)	Weight (Kg/m)
1/6"	12 000	0.020	0.01
1/6"	8 100	0.014	0.01
1/4"	10 200	0.065	0.19
	7 500	0.049	0.16
	5 100	0.035	0.12
1/2"	5 100	0.065	0.45
	3 700	0.049	0.35
	2 600	0.035	0.26
	6 700	0.083	0.55
3/4"	3 300	0.065	0.71
3/4"	2 400	0.049	0.56
1/8"	10 900	0.035	0.05
1/8"	8 500	0.028	0.04
5/8"	4000	0.065	0.58
5/8"	2 900	0.049	0.45
3/8"	6 500	0.065	0.32
	4 800	0.049	0.25
	3 300	0.035	0.19
1"	3 100	0.083	1.2

Stainless Steel 316 Seamless Tubes Manufacturing Process

The manufacturing of stainless steel 1.4401 seamless tubes follows a five-step process, ensuring compliance with industry standards.

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 Steel 316 Seamless Tubes

Stainless Steel 316 seamless tubes are most widely used in the chemical and petrochemical industry for handling corrosive fluids like acids, chlorides, and solvents. They are essential in heat exchangers, condensers, and pressure vessels due to their superior corrosion resistance, especially against chlorides and acidic environments. The oil and gas sector also heavily relies on them for offshore platforms, downhole tubing, and refinery piping where high strength and pitting resistance are critical. They are used in pharmaceutical and food processing for hygienic, contamination-free fluid transfer, and in desalination plants for seawater handling. Their high durability and temperature resistance make them ideal for these demanding applications.

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

What is stainless steel 316 used for?

Stainless Steel 316 is an austenitic stainless steel alloy containing Chromium, Nickel, and Molybdenum. It is highly valued for its outstanding corrosion resistance, especially in environments exposed to chlorides and harsh chemicals. This grade maintains excellent strength and durability under extreme conditions and retains its original non-magnetic properties before welding.

What is the pressure rating of 316 stainless steel tubes?

The pressure rating of 316 stainless steel tubes varies based on size, wall thickness, and temperature. Generally, thin-wall tubes can handle around 1,000–2,000 psi, while thicker-wall tubes can withstand up to 5,000 psi or more at room temperature. However, as operating temperature increases, the pressure rating decreases slightly. Exact values are determined using ASME standards or manufacturer specifications.

Which is better 304 or 316 stainless steel tube?

Stainless Steel 304 and 316 are both austenitic grades that look identical but differ in composition and performance. The key difference is that 316 contains about 2% molybdenum, which significantly improves its corrosion resistance, especially in marine and chemical environments. While 304 is cost-effective and widely used in kitchen equipment and general applications, 316 is preferred for harsher conditions, offering better durability and resistance to chlorides.

What are the advantages of 316 stainless steel tubes?

Stainless Steel 316 offers excellent corrosion resistance, strength, and durability, making it ideal for marine, chemical, and high-temperature applications. The addition of molybdenum enhances its protection against chlorides, pitting, and crevice corrosion. It also provides good formability, weldability, and hygiene properties, making it suitable for industries like food, pharmaceuticals, and construction. With a sleek appearance and long service life, SS 316 is both a reliable and sustainable material choice.