SMO 254 Seamless Tubes Manufacturer and Supplier in Thailand
SMO 254 Seamless Tubes is a high-performance tubing solution designed for extreme environments, offering exceptional resistance to corrosion, pitting, and acidic conditions ideal for marine, chemical, and offshore applications. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., based in Chon Buri, is a trusted SMO 254 seamless tubes supplier, offering top-quality tubes in various sizes and grades backed by years of manufacturing expertise. Our Chon Buri-based facility ensures reliable bulk supply and custom cut-to-length services, tailored to meet industry demands. With a strong focus on quality, compliance, and customization, Thaida stands as a preferred partner for durable, high-grade seamless tubing solutions. Explore our product range and discover the superior performance of SMO 254 Seamless Tubes.
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Product Information : SMO 254 Seamless Tubes
Manufactured to strict international standards including ASTM A213 and ASTM S31254, these tubes ensure optimal performance and dimensional accuracy. The UNS S31254 Seamless Tubes variant is widely used in various industries to its excellent mechanical strength and superior corrosion resistance. One of the standout features of SMO 254 Seamless Tubes is their long service life in harsh operating conditions, reducing maintenance and downtime. For engineers and project managers evaluating materials for harsh environments, SMO 254 offers a balance of strength and lifecycle cost-efficiency. Moreover, the material is 100% recyclable, supporting sustainable and ecologically responsible production practices, which is an added advantage for projects with environmental compliance goals. With their reliability, compliance with ASTM standards, and unmatched performance, these Tubes are an excellent choice for high-performance fluid handling and structural systems. It is a high-alloy austenitic stainless steel tube designed for demanding applications. Also known as Alloy 254 SMO (6-moly) tubing, these tubes contain high levels of molybdenum, nitrogen and chromium, which make them especially resistant to pitting and crevice corrosion.
Key Benefits of SMO 254 Seamless Tubes
SMO 254 Seamless Tubes offer a superior combination of strength, and durability making them ideal for highly demanding industrial environments. Here are the key benefits:
Superior Corrosion Resistance
SMO 254 offers exceptional protection against pitting, crevice corrosion, and chloride attack, making it ideal for aggressive environments.
Extended Service Life
The robust alloy composition ensures longer tube lifespan and minimizes maintenance costs, offering greater reliability.
High Mechanical Strength
It provides nearly double the strength of 300-series stainless steels, allowing it to perform well under high pressure and stress.
Meets Global Standards
Compliant with DIN 1.4547 and other international standards, ensuring consistency in quality and performance.
Excellent Weldability and Fabrication
SMO 254 remains easy to weld and form, providing flexibility for complex designs without compromising strength.
Ideal for Critical Applications
SMO 254’s reliability under extreme conditions makes it a trusted choice for high-risk industries such as offshore and chemical.
Why Choose Thaida for Your SMO 254 Seamless Tubes
We are a trusted manufacturer and supplier of SMO 254 Seamless Tubes based in Chon Buri, Thailand, known for our commitment to quality, reliability, and customer satisfaction. We ensure products that consistently meet global standards. Our in-house manufacturing capabilities allow for faster turnaround times and greater flexibility in meeting custom specifications. Our support team works closely with engineers and procurement managers to deliver seamless solutions tailored to project needs. Our strong reputation is built on decades of experience, superior product performance and long-term client relationships across industries.
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 Chart of SMO 254 Seamless Tubes
Detailed dimensions, tolerances, pressure ratings, and mechanical properties for precision engineering is given below in the SMO 254 Seamless Tubing chart.
| Standard Material | ASTM A269 / ASME SA269 |
|---|---|
| Size of 254 SMO Tubing | Round Tubes: Outside diameter: 16 to 119 millimeter or as per need |
| Thickness | 0.25 millimeter to 3.0 millimeter |
| Length | 6 millimeter / as per to your need |
| Tolerance | OD :- ±0.2 millimeter |
| Thk :- ±0.05 millimeter | |
| Length of tube :- ±0.5 millimeter | |
| Ends | bevelled ends / plain end |
| Finishing | A. Mirror #600 to #1000, Gloss #400 |
| B. Threaded, Embossed | |
| C. Wood Grain | |
| D. Brushed | |
| E. Sanded | |
| Industrial use | constructions, Decorations, food industry, etc. |
| Certificate | SGS, ISO |
| Size of Round Pipes | 89, 17, 76.2, 31.8, 38.1, 50.8, 101, 36, 21, 23, 28, 60, 114, 63.5, 20, 22, 18, 35, 25, 19, 16, 48 millimeter |
| Size of Square Pipes | 17, 20, 36, 21, 25, 50, 23, 28, 38, 30, 19, 18, 22, 24 millimeter |
| Size of Rectangle Pipes | 10*40, 10*30, 20*10, 10*50, 24*12, 23*11, 28*25, 25*13, 29*14, 28*13, 30*20, 30*15, 34*22, 30*22, 50*25, 36*23, 75*45, 60*30, 95*45 millimeter |
| Thickness | exact 0.28, 1.15, 0.71, 1.41, 1.11, 0.32, 0.25, 0.51, 0.91, 0.37, 0.41, 0.61 millimeter |
| OD | 6.35 to 219 millimeter |
| Tolerance | Length :- ±0.5 millimeter |
| Outer diameter :- ±0.2 millimeter | |
| Thickness :- ±0.02 millimeter | |
| Method of Process | annealed with nitrogen protection, Cold drawn, automatic shape, ultrasonic, polished |
| Test conducted | Magnetic particle detector, Hydrostatic testing machine, Direct-reading Spectrograph, Ultrasonic flaw detector, X-ray detector |
| Machinery | Bending machine, Press machine, Sand-blasting machine, electric bevelling machine, Pushing Machine etc |
| Certificates of Test | Raw Materials Certificate, as per EN 10204 / 3.1B Manufacturer Test Certificate, Third Party Inspection Report, 100% Radiography Test Report |
Types of SMO 254 Seamless Tubes
The following are the types of SMO 254 Seamless Tubes offered by us, tailored to meet diverse industrial needs.
SMO 254 Seamless Heat Exchanger Tubes
Designed for superior thermal conductivity in high-temperature and pressure heat exchanger systems.
SMO 254 Seamless Precision Tubes
Manufactured with tight dimensional tolerances, these tubes are ideal for instrumentation and precision engineering applications.
SMO 254 Seamless Cold Drawn Tubes
These tubes undergo cold drawing to enhance surface finish, mechanical strength, and dimensional accuracy for demanding uses.
SMO 254 Seamless High Pressure Tubes
Built to withstand extreme pressure conditions, making them perfect for hydraulic and high-stress fluid transfer systems.
SMO 254 Seamless Sanitary Tubes
Electropolished and contamination-free, these tubes ensure hygiene and corrosion resistance in food, beverage, and pharma sectors.
SMO 254 Seamless Ferrule Tubes
Used in compression fittings, these tubes offer leak-proof performance and compatibility with instrumentation systems.
Chemical Properties of SMO 254 Seamless Tubes
This chemical composition of SMO 254 Seamless Tubes table includies key elements like chromium, nickel, and carbon.
| Grade | C | Si | Mn | P | Cr | Ni | Mo | N | S | Others |
|---|---|---|---|---|---|---|---|---|---|---|
| 254SMO | ≤0.02 | ≤0.80 | ≤1.00 | ≤0.03 | 19.50-20.50 | 17.50-18.50 | 6.00-6.50 | 0.18-0.22 | ≤0.01 | Cu 0.50-1.00 |
Mechanical Properties of SMO 254 Seamless Tubes
Mechanical Properties of SMO 254 Seamless Tubes, such as tensile strength, yield strength, elongation, and hardness, are listed here.
| Element | Melting Point | Density | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|---|---|
| SMO 254 | 1320-1390 ℃ | 8.0 g/centimeter3 | 300 | 650 | 35 |
SMO 254 Seamless Tubes Manufacturing Process
The manufacturing of SMO 254 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 SMO 254 Seamless Tubes
SMO 254 Seamless Tubes are primarily used in the chemical processing and offshore oil & gas industries, where extreme corrosion resistance is critical. These tubes are widely used in heat exchangers, condensers, and piping systems handling highly acidic or chloride-rich fluids, such as sulfuric acid, seawater, and brine solutions. In offshore platforms and desalination plants, they prevent pitting and crevice corrosion in harsh marine environments. The pulp & paper industry also relies on SMO 254 tubes for bleaching equipment due to their resistance to chlorides and oxidizing acids. They are used in flue gas desulfurization (FGD) systems in power plants to withstand aggressive sulfur compounds. Their high molybdenum and nitrogen content make them ideal for applications where standard stainless steels fail.
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
FAQ's
What is the difference between SMO 254 and SS316?
SMO 254 has a much higher level of corrosion resistance than SS316. It handles strong acids, saltwater, and chloride-rich settings better. SS316 works well for general steel use, but SMO 254 suits harsh and chemical-heavy jobs. SMO 254 also has higher strength and better pitting resistance in seawater and chemical plants.
What is the SMO 254 material grade?
SMO 254 is a high-alloy austenitic stainless steel grade made for severe corrosion areas. It has high nickel, chromium, and molybdenum content, along with nitrogen for strength. This grade is used when standard stainless steel cannot survive. It fits tasks in desalination units, chemical tanks, paper plants, and marine lines.
What is an SMO 254 tube made of?
A SMO 254 tube is made mainly from iron, nickel, chromium, molybdenum, and nitrogen. These elements work together to give strong corrosion and pitting resistance. The mix also helps the tube stay strong in hot, salty, and acidic media. It is designed to give long service life and stable performance under stress.
What are the properties of the SMO 254 tube?
A SMO 254 tube has very high corrosion and pitting resistance, even in seawater and acids. It offers good strength and toughness in hot and cold areas. The tube fights stress cracking, which helps in pressure and heat systems. It keeps its shape and performance in harsh chemical zones and marine work. The material also gives long life and low failure risk in hard service use.