SS 253MA Seamless Pipes Manufacturer & Supplier in Thailand
253MA Seamless Pipes is a high-temperature austenitic stainless steel pipe made primarily from chromium, nickel, and silicon. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a trusted manufacturer of high-quality UNS S30815 seamless pipes that meet international standards. These pipes are designed with seamless construction to provide superior corrosion resistance, excellent heat resistance up to 1150°C, and durability in high-temperature environments. Available in a range of sizes, including 260 mm (10.2 in) outer diameter, Schedule 80S, and 10Nb, 17.10mm OD X 3.2mm wall thickness, we offer flexibility to meet various industrial needs. Our precise manufacturing processes and strict quality assurance practices makes us a reliable supplier globally. Our pipes are used in petrochemical, thermal processing, and refinery applications, providing reliable and efficient solutions for high-stress environments.
Product Overview: 253MA Seamless Pipes
253MA seamless pipes are pipes specifically designed for high-temperature service up to 1150°C. These pipes come in dimensions up to 260 mm (10.2 in.) and specifications such as 10Nb, 17.10mm OD X 3.2mm wall thickness, and Schedule 80S (6-meter length – priced per metre). These pipes conform to ASTM A312 standards. DIN 1.4835 pipes come in a wide range of sizes, lengths, shapes, grades, and surface finishes. They are widely used across industries like furnace manufacturing, petrochemical, refineries, and thermal processing equipment, including burners, retorts, and tube hangers.
Key Benefits Of 253MA Seamless Pipes
Below are DIN 1.4835 seamless pipe features such as oxidation resistance, toughness, strength and more that make it a preferred choice for various demanding applications:
High Creep Strength
Designed to resist deformation under prolonged stress at elevated temperatures, 253MA pipes maintain mechanical integrity in extreme heat conditions.
Excellent Oxidation Resistance
These pipes form a stable oxide layer that protects against scaling and corrosion, even in oxidizing and carburizing environments.
High-Temperature Performance
253MA seamless pipes perform reliably at temperatures up to 1150°C, making them ideal for furnaces, heat exchangers, and boilers.
Good Weldability
The alloy allows easy welding using standard methods without compromising strength or corrosion resistance at the joints.
Structural Stability
Even under high thermal stress, 253MA pipes retain structural strength and resist cracking or distortion, ensuring long service life.
Toughness at Low Temperatures
In addition to high-heat resistance, these pipes offer good impact strength at low temperatures, enhancing versatility in varying conditions.
Why Choose Our 253MA Seamless Pipes
Our 253MA seamless pipes are manufactured with precision using high-grade raw materials to ensure excellent performance in high-temperature and corrosive environments. With strict quality control, industry certifications, and prompt delivery, we offer reliable and durable piping solutions trusted across various industries.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Delivery
Custom Sizes & Special Orders
Industry Certifications & Compliance
Premium Materials & Strict Quality Control
After-Sales Support & Service
In-House Testing & Full Traceability
Specifications Of UNS S30815 253MA Seamless Pipes
The standard specifications for UNS S30815 253MA seamless pipes include size range, wall thickness, and manufacturing standards.
| Grade | Stainless Steel 253 MA / UNS S30815 / WNR 1.4835 |
|---|---|
| Length | Single Random, Double Random and Cut Length. |
| Thickness | 0.3mm – 50 mm |
| Form | Round, Rectangular, Square Etc. |
| 253MA Seamless Pipes | A312 / SA312 |
| End | Treaded End, Beveled End, Plain End. |
| Seamless Pipes 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 |
| SS 253 MA Pipes Range | SS 253 MA Pipes Range: Round Pipes, Square Pipes, Rectangular Pipes, Oval Pipes, Colour Coated Pipes, High Pressure Pipes, Decorative Polished Pipes, Large Size Seamless Pipes, Large Diameter Fabricated Pipes. |
253MA Stainless Steel Seamless Pipes Chemical Composition
The chemical composition of 253MA stainless steel pipes tables outlines elements like chromium, nickel, and silicon levels.
| 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 |
Mechanical Properties 253MA Seamless Pipes
The key mechanical properties of UNS S30815 seamless pipes such as tensile strength, yield strength, and elongation are listed below.
| Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | |||
| 600 | 310 | 40 | 95 | 217 |
Equivalent Of 253MA Seamless Pipes
The equivalent grades of 253MA seamless pipes tables includes various international standards and material codes.
| Grade | UNS | WERKSTOFF NR. | EN | SS |
|---|---|---|---|---|
| 253MA(UNS S30815) | S30815 | 1.4835 | X9CrNiSiNCe21-11-2 | 2368 |
Physical Properties of 253MA Grade Stainless Steel Seamless Pipes
These details physical characteristics of 253MA stainless steel pipes, including density, thermal conductivity, and specific heat.
| Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat | Electrical Resistivity (nW.m) | |||
|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-600°C | 0-1000°C | at 20°C | at 1000°C | 0-100°C (J/kg.K) | |||
| 7800 | 200 | 17 | 18.5 | 19.5 | 15 | 29 | 500 | 850 |
Manufacturing Process of 253MA Seamless Pipes
The manufacturing of 253MA seamless pipes 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. 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.
Application Of 253MA Seamless Pipes
253MA Seamless Pipes are widely used in the petrochemical industry for high-temperature furnace and heat exchanger systems. Their ability to withstand extreme heat makes them ideal for reformer tubes, cracker furnaces, and other thermal processing units. They are also used in power plants, oil refineries, and various other industries
Oil and Gas Industry
Chemical and Petrochemical Industry
Food and Beverage Industry
Power Generation & Heat Exchange
Aerospace & Defense
Automotive and Transportation
Construction and Architecture
Marine & Shipbuilding
Pharmaceutical & Biotechnology
FAQ's
What is 253 MA stainless steel?
What is 253 MA stainless steel?
The uniqueness of SS 253MA seamless pipes is it’s superior high-temperature performance, derived from their specialized composition. The inclusion of nitrogen and carbon increases the steel’s creep strength, allowing it to withstand prolonged stress at extreme heat. Furthermore, silicon and rare earth metals provide outstanding oxidation resistance. This combination of properties makes 253MA a more cost-effective alternative to higher-nickel alloys while still delivering robust performance in severe thermal conditions.
What makes Stainless Steel 253MA Seamless Pipes unique compared to other stainless steels?
What makes Stainless Steel 253MA Seamless Pipes unique compared to other stainless steels?
The uniqueness of SS 253MA seamless pipes is it’s superior high-temperature performance, derived from their specialized composition. The inclusion of nitrogen and carbon increases the steel’s creep strength, allowing it to withstand prolonged stress at extreme heat. Furthermore, silicon and rare earth metals provide outstanding oxidation resistance. This combination of properties makes 253MA a more cost-effective alternative to higher-nickel alloys while still delivering robust performance in severe thermal conditions.
Are Stainless Steel 253MA Seamless Pipes suitable for high-temperature applications?
Are Stainless Steel 253MA Seamless Pipes suitable for high-temperature applications?
Yes, Stainless Steel 253MA seamless pipes are exceptionally suited for high-temperature applications. They are designed to maintain structural integrity and resist oxidation at temperatures up to 1150°C (2100°F). This makes SS 253MA seamless pipe an ideal choice for industrial processes involving extreme heat, such as in furnaces, kilns, and heat exchangers. Their reliable performance under demanding conditions ensures both equipment longevity and operational efficiency.
What is the maximum temperature for 253MA?
What is the maximum temperature for 253MA?
The maximum service temperature for Stainless Steel 253MA in dry air is approximately 1150°C (2100°F). This high-temperature tolerance is a defining feature of the alloy, enabling its use in some of the most demanding thermal processing applications across various industries.
What is the equivalent grade of 253MA?
What is the equivalent grade of 253MA?
Stainless Steel 253MA is known by several equivalent grades under international standards. The most common designations are UNS S30815 and EN 1.4835. These grades are used to specify the material in global markets and ensure its chemical and mechanical properties meet standardized requirements.
What industries commonly use Stainless Steel 253MA Seamless Pipes?
What industries commonly use Stainless Steel 253MA Seamless Pipes?
The properties of 253MA seamless pipes make them essential in industries where high-temperature performance is critical. Common applications are found in petrochemical processing for components like tube hangers and in power generation for boilers. The furnace and heat treatment industry employs them for parts like burners and retorts, and they are also widely used in equipment for metal and steel production.
Are customized Stainless Steel 253MA Seamless Pipes available?
Are customized Stainless Steel 253MA Seamless Pipes available?
Yes, manufacturers and suppliers commonly offer customized 253MA seamless pipes to meet specific project needs. Customization options typically include specific dimensions, lengths, and wall thicknesses. Many suppliers also provide value-added services such as precision cutting, end beveling, and various surface finishes to deliver a product that aligns perfectly with a customer’s engineering specifications.