SS 253MA Seamless Tubes Manufacturer & Supplier in Thailand
253MA Seamless Tubes is a tube which features seamless construction, excellent heat and corrosion resistance, and long-lasting durability. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a trusted manufacturer of high-quality 253MA seamless tubes in Thailand, delivering reliable solutions for harsh environments. These stainless steel tubes are better than regular stainless steel because of their superior high-temperature strength and enhanced oxidation resistance. Available in a variety of sizes, wall thicknesses, lengths, and outer diameters to meet diverse industrial needs. Our DIN 1.4835 tubes are manufactured using precise processes and advanced technology. Each tube undergoes strict quality checks to ensure reliable performance. Surface finishes are smooth and refined, suitable for critical applications.
Product Overview of 253MA Seamless Tubes
253MA seamless tubes are high-temperature stainless steel tubes made from a chromium-nickel alloy with added nitrogen, designed for excellent performance in extreme heat. They are available in outside diameters from 6.0mm to 76.10mm and wall thicknesses from 0.50mm to 8.0mm. UNS S30815 tubes come in various sizes, lengths, and shapes with smooth surface finishes. UNS S30815 seamless tubes are commonly used in furnace components, burners, retorts, refinery tube hangers, and petrochemical industries, 253MA seamless tubes provide lasting strength and reliability in high-temperature environments.
Key Benefits of 253MA Seamless Tubes
These 253MA seamless tubes offer key benefits such as creep strength, weldability and more that make them perfect for demanding applications.
High Creep Strength
Maintains strength under prolonged stress at elevated temperatures.
Excellent oxidation resistance
These tubes resist scaling and oxidation even in extreme heat.
High-Temperature Performance
They perform reliably in continuous high-temperature environments.
Combustion Gas Resistance
These tubes withstands corrosion from combustion gases in industrial settings.
Good Weldability
DIN 1.4835 seamless tubes are easy to weld without compromising strength or durability.
Economical Choice
253MA seamless tubes offer long service life, reducing replacement and maintenance costs.
Why Choose Our 253MA Seamless Tubes?
Our 253MA Seamless Tubes are known for consistent quality, accurate dimensions, and smooth finish. We use high-grade raw materials, follow strict manufacturing standards, and ensure timely delivery. Each tube is tested for strength and durability, making them reliable for demanding industrial applications. Customer satisfaction and product performance are our priorities.
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
Specifications of 253MA Seamless Tubes
The key specifications of 253MA seamless tubes include standards, size, length, type, finish, and schedule details.
| Grade | Stainless Steel 253 MA |
|---|---|
| Length | Single Random, Double Random and Cut Length. |
| Thickness | 0.3mm – 50 mm |
| Form | Round, Rectangular, Square Etc. |
| End | Treaded End, Beveled End, Plain End. |
| Seamless Tubes Size | 1 / 2” NB - 8” NB |
| Outer Diameter | 6.0-630mm |
| Type | Seamless |
| Schedule | SCH20, SCH30, SCH40, SCH80, SCH60, SCH80, SCH120, SCH140, SCH160, STD, XXS, XS |
253MA Seamless Tubes Chemical Composition
The chemical composition of UNS S30815 seamless tubes includes the percentage of each element present.
| Cr | Ni | C | Si | Mn | P | S | N | Ce | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 20.00-22.00 | 10.00-12.00 | 0.05-0.10 | 1.40-2.00 | ≤0.08 | ≤0.04 | ≤0.03 | 0.14-0.20 | 0.03-0.08 | Balance |
253MA Seamless Tubes Mechanical Properties
The mechanical properties of 253MA, including tensile strength, yield strength, and elongation are mentioned below
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 253 MA | 515 | 205 | 40 | 201 | 92 |
Equivalent of 253MA Seamless Tubes
The equivalent table for DIN 1.4835 tubes outlines global standards, grade names, and UNS designations.
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 253 MA | S 30815 | – | – | 1.4835 | X9CrNiSiNCe21-11-2 | – | 2368 | – |
Manufacturing Process of 253MA Seamless Tubes
There are 5 steps involved in the 253MA seamless tube manufacturing process which are given below. Every step of production is precisely controlled to comply with stringent industry standards.
1. Raw Material Selection
High-quality stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Tube 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.
Application of 253MA Seamless Tubes
253MA seamless tubes are primarily used in the petrochemical industry for high-temperature furnace and heat exchanger applications. They are also utilized in power plants, cement kilns, and thermal processing equipment.
Oil and Gas Industry
Chemical and Petrochemical Industry
Food and Beverage Industry
Pharmaceutical & Biotechnology
Heat exchangers
Power generation systems
Steam boiler tube hangers
Marine & Shipbuilding
Heat exchangers
FAQ's
What is 253 MA stainless steel tube?
What is 253 MA stainless steel tube?
A 253 MA stainless steel tube is a heat-resistant tube made for very high-temperature use. It has good strength, great oxidation resistance, and solid corrosion protection. This grade works well in furnaces, heaters, power plants, and heat-treating units. It stays strong even when other stainless grades weaken under heat stress. It also offers long life in dry and hot gas areas.
What is the difference between 253 MA and 316 stainless steel tube?
What is the difference between 253 MA and 316 stainless steel tube?
The main difference is heat resistance. 253 MA handles higher heat than 316. It also has better oxidation strength and creep resistance at high temperature. In normal corrosion jobs, 316 works fine, but 253 MA gives better life in hot service and gas-exposed zones. So, 316 suits general work, while 253 MA is made for extreme heat and harsh furnace jobs.
What is the maximum temperature for 253 MA tube?
What is the maximum temperature for 253 MA tube?
A 253 MA tube can work at temperatures up to about 1150°C in dry air. At this heat level, the metal keeps its strength and resists surface scale. It also holds shape under load, which matters in furnace parts and burners. In lower heat ranges, it gives even more stable and long-term performance. Follow proper heat rules to get the best life from this grade.