Description
Product Description ASTM A213
ASTM A213 covers seamless ferritic and austenitic alloy steel boilers, superheaters, and heat exchanger tubes. These tubes are designed to operate in high-pressure and high-temperature environments, making them a preferred choice across industries like petrochemicals, power generation, and oil & gas. At Emirerri Steel, we provide high-quality ASTM A213 seamless tubes engineered to meet diverse industrial requirements.
Key Features of ASTM A213 Tubes
- High-Temperature Resistance: Designed for superior performance in environments requiring resistance to extreme heat and pressure.
- Corrosion Resistance: With their alloy composition, these tubes offer excellent resistance to oxidation and corrosion.
- Durability: ASTM A213 tubes are highly durable, ensuring a long service life even under challenging conditions.
- Versatility: Available in a wide range of sizes, grades, and specifications to meet varying industrial needs.
ASTM A213 Tubes Dimension
- Outer Diameter (OD): Typically ranges from 1/2 inch to 24 inches (12.7 mm to 610 mm) or larger, depending on the specific application.
- Wall Thickness (WT): This varies widely depending on the required pressure rating and application. Common wall thicknesses range from 0.065 inches (1.65 mm) to 1.5 inches (38.1 mm) or more.
- Length: Can be supplied in various lengths, including random lengths, single random lengths, and cut lengths.
Specifications of ASTM A213 Tubes
Specification | Details |
Standard | ASTM A213 |
Material | Ferritic and Austenitic Alloy Steel |
Type | Seamless |
Applications | Boiler, Superheater, Heat Exchanger Tubes |
Grades Available | T2, T5, T9, T11, T22, T91, etc. |
Dimensions | Outer Diameter: 6.35 – 114.3 mm |
Wall Thickness | 1 mm – 15 mm |
Length | As per customer requirement |
Ends | Plain, Beveled, Threaded |
Surface Treatment | Pickling, Polishing, Galvanized, etc. |
Grades of ASTM A213 Alloy Steel Tubes
ASTM A213 tubes are manufactured in several grades, each tailored to specific industrial requirements:
- Grade T2: Features excellent mechanical strength and moderate corrosion resistance, suitable for moderate temperature applications.
- Grade T5: Contains chromium and molybdenum, providing superior resistance to heat and oxidation.
- Grade T9: Known for high tensile strength and enhanced resistance to thermal fatigue.
- Grade T11: Popular for its balance of strength and weldability, used in boiler systems.
- Grade T22: Offers exceptional resistance to high-temperature creep and oxidation, ideal for superheaters.
- Grade T91: High-grade tube with advanced creep strength and excellent thermal properties, often used in power plants.
Chemical Composition
Element | Grade T2 (%) | Grade T5 (%) | Grade T22 (%) |
Carbon | 0.10 max | 0.15 max | 0.15 max |
Manganese | 0.30-0.61 | 0.30-0.60 | 0.30-0.60 |
Phosphorus | 0.025 max | 0.025 max | 0.025 max |
Sulfur | 0.025 max | 0.025 max | 0.025 max |
Chromium | 0.44-0.65 | 4.00-6.00 | 1.90-2.60 |
Molybdenum | 0.44-0.65 | 0.45-0.65 | 0.87-1.13 |
Mechanical Properties
Property | Value |
Tensile Strength | 415 MPa min |
Yield Strength | 205 MPa min |
Elongation (%) | 30 min |
Hardness (Brinell) | As per grade specifications |
Impact Resistance | Excellent |
Thermal Conductivity | Suitable for high-temperature uses |
Manufacturing Process
At Emirerri Steel, ASTM A213 seamless tubes are manufactured using advanced processes to ensure superior quality:
- Material Selection: High-quality alloy steel is sourced and inspected for chemical and mechanical properties.
- Hot Extrusion: Alloy steel billets are heated and extruded to form seamless tubes.
- Cold Drawing: Tubes undergo cold drawing to achieve precise dimensions and improved surface finish.
- Heat Treatment: Tubes are heat-treated to enhance strength, durability, and resistance properties.
- Testing and Inspection: Each tube is subjected to stringent quality tests, including non-destructive testing, hydrostatic testing, and chemical analysis.
- Surface Finishing: Tubes are pickled, polished, or galvanized, depending on customer requirements.
Applications of ASTM A213 Tubes
ASTM A213 tubes are widely used in industries that demand high performance and reliability:
- Power Plants: Ideal for high-pressure boiler and superheater systems.
- Petrochemical Industry: Used in heat exchangers and reactors handling high temperatures.
- Oil & Gas Industry: Essential for transporting high-pressure steam and gases.
- Chemical Industry: Deployed in processing units that require corrosion-resistant tubing.
- Aerospace and Defense: High-grade tubes are used in applications needing superior mechanical properties.
- Marine Engineering: Suitable for high-stress environments and seawater exposure.
Advantages of Choosing Emirerri Steel for ASTM A213 Tubes
- Uncompromised Quality: Our products adhere to international quality standards, ensuring exceptional performance.
- Custom Solutions: We offer custom sizes, grades, and finishes to meet your specific requirements.
- Global Distribution: With a robust supply chain, we cater to clients worldwide.
- Competitive Pricing: High-quality products at the most competitive rates.
- Technical Support: Our team of experts provides comprehensive support, from product selection to installation guidance.
Why ASTM A213 Tubes Are an Industry Favorite
- Superior thermal and mechanical properties.
- Exceptional resistance to corrosion and oxidation.
- Versatile for diverse high-temperature applications.
- Long service life, reducing maintenance costs.
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