ASTM A53 Carbon Steel Tubes – Manufacturer
- Home
- Steel Tubes
- ASTM A53 Carbon Steel Tubes
Midland Alloys Inc. is a reliable Indian manufacturer, and worldwide supplier of ASTM A53 Carbon Steel Tubes, providing high-performance tubing for structural and pressure-related applications. The tubes are well known for their durability, flexibility, and long lifespan in harsh environments. Tubes are seamless, or welded carbon steel tubes for steam, water, gas, and air lines. They are in accordance with the ASTM A53/A53M standard, which specifies chemical composition, mechanical properties, and manufacturing tolerances. The material is usually alloyed with carbon, manganese, phosphorus, sulfur and copper to provide balanced strength and formability. These tubes have a minimum tensile strength of 330 MPa, with yield strength of at least 240 MPa. They are also characterized by excellent elongation (at least 20%), and reduction of area and are thus well-suited for bending, welding and coiling. In order to satisfy ASTM and ASME standards, these tubes are manufactured under stringent dimensional and testing requirements and come in Type E (electric resistance welded), Type S (seamless) and Type F (furnace welded) standards.
Benefits of ASME SA53 Carbon Steel Tubes
Across all industries, ASTM A53 Carbon Steel Tubes are valued for their dependable performance in mechanical, and structural systems. They are a popular option for various piping solutions due to their easy fabrication and well-balanced mechanical qualities.
- Long-term structural dependability is ensured by high tensile strength.
- Outstanding resistance to corrosion under moderate conditions.
- Suitable for low-temperature, pressure and mechanical applications
- Easy to bend, weld and shape for intricate piping designs
- These tubes are cost-effective alternative for stainless tubing, and high-alloy steels
- For design flexibility, they are offered in seamless and welded construction.
- Compatible with common fittings and piping components
- Manufactured with strict tolerances to ensure reliable performance
ASME SA53 Carbon Steel Tubes Specifications

Seamless Tube OD : 1/8 -12" NPS
Welded Tube OD : 6.00 mm OD up to 914.4 mm OD
EFW Tube Size : 3.35 mm OD To 101.6 mm OD

ASTM B622, B626 / ASME SB622, SB626

Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded

Round, Square, Rectangular, Hydraulic Etc

Single Random, Double Random, Standard & Cut length Tube

Plain End, Beveled End, Treaded Tube

SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements
Contact us today to discuss how ASME SA53 Carbon Steel Tubes can benefit your application. Whether you need guidance in selecting the right Tubes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
| Element | Alloy B2 |
| C | 0.02 max |
| Mn | 1.00 max |
| Si | 0.1 max |
| S | 0.03 max |
| Co | 1.0 max |
| Ni | Balance |
| Cr | 1.0 max |
| Fe | 2.0 max |
| Mo | 26 – 30 |
| P | 0.04 max |
| Element | Hastelloy Alloy B2 |
| Density | 9.2 g/cm3 |
| Melting Point | 1370 °C (2500 °F) |
| Tensile Strength | Psi – 51000 , MPa – 350 |
| Yield Strength (0.2%Offset) | Psi – 1,10,000 , MPa – 760 |
| Elongation | 40 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Hastelloy B2 | 2.4617 | N10665 |
Carbon Steel Tubes Grades We Offer
Difference Between ASME SA53 Carbon Steel Tubes and ASTM A192 Carbon Steel Tubes
Both ASTM A192 and ASME SA53 carbon steel tubes are utilized in high-pressure and high-temperature settings, their uses and specifications are different. ASTM A53 tubes are designed for structural, mechanical, and pressure systems including steam, water, and air pipelines. In contrast, ASTM A192 tubes are strictly high-pressure boiler tubes meant for heat exchangers and superheaters. A192 tubes exhibit higher tensile strength and tighter dimensional tolerances, tailored for heat transfer applications. On the other hand, A53 tubes are more versatile in use and available in both seamless and welded forms, making them suitable for general-purpose pipelines and construction work. A53 tubes also allow for a wider range of forming and joining techniques due to their broader mechanical flexibility.
Round Bar

Analytic

Cut to Length

Centering

Heating

Perforation

Inspection of Size

Pickling

Inspection of Surface

Lubricating

Cold Drawing (Cold Rolling)

Degreasing

Annealing

Straightening

Cut

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping
Applications of ASME SA53 Carbon Steel Tubes
ASTM A53 Carbon Steel Tubes are used in a wide array of industries due to their adaptability and mechanical strength. In construction, these tubes serve as key components in frameworks, columns, and supports. They are used in the oil and gas industry to transport gas, water, steam and air at both high and low pressures. Refineries and petrochemical facilities use these tubes for fluid handling and thermal applications and power generation facilities utilize them for boiler feed lines as well as piping. Municipal water distribution systems and fire protection pipelines also utilize ASTM A53 Carbon Steel Boiler Tubes due to their reliability, and ease of installation. Their ability to handle mechanical stress and corrosion makes them ideal for both underground and above the ground installations.
Why ASTM A53 Carbon Steel Tubes from Midland Alloys Inc.?
Midland Alloys Inc. is one of India’s leading manufacturers and exporters of precision-engineered high-quality ASME SA53 Carbon Steel Tubes, with a strong focus on precision engineering and adherence to international standards. As an ISO certified company our products meets the international standars such as ASTM and EN norms. We offer wide range customization options such as cut-to-length, end finishes (plain, beveled, or threaded), special schedules and protective surface coatings. We supply to clients across Europe, the Gulf, Southeast Asia, and Africa, ensuring consistency in product quality and documentation. Every batch undergoes in-house mechanical and chemical testing, and we offer mill certifications and third-party inspection reports to meet project-specific requirements. Our strong logistics provide timely deliveries, be it small shipments or bulk export orders. All the pipes are marked according to ASTM/ASME specifications, and shipped with Mill Test Certificates (MTCs) verifying complete chemical and mechanical conformity, providing our partners with peace of mind and long-term value.
FAQs
In accordance, with standard pipe schedules like SCH 40, SCH 80 and SCH 160, the wall thickness usually ranges from 2.11 mm to over 10.97 mm depending on the schedule and pipe size.
A53 carbon steel is appropriate for forming, bending, and pressure-bearing applications as it has a minimum tensile strength of 330 MPa, a yield strength of 240 MPa, 20% elongation, and good ductility.
ASTM A53 standards are used for dimension tolerances, such as ±0.75% on outside diameter, ±12.5% on wall thickness and length tolerance based on type and order spec.



