Why Choose Us as Your Alloy Steel Tubes Supplier?
Selecting a reliable supplier for alloy steel tubes is essential for ensuring safety, efficiency,
and long-term operational performance. CEBEX STEEL INDIA is recognized for strong manufacturing
capabilities, technical expertise, and global export reach.
We manufacture alloy steel tubes in compliance with ASTM A213, ASTM A335, ASTM A179, and ASME
SA213 standards. Each tube undergoes comprehensive testing including PMI, ultrasonic testing,
hydrostatic testing, eddy current testing, and full mechanical testing.
We maintain complete traceability from raw material to finished product with heat numbers and
batch records. All products are supplied with EN 10204 3.1 / 3.2 Mill Test Certificates along
with inspection reports and compliance documentation.
Product Overview & Key Features
Our alloy steel tubes are manufactured using high-quality raw materials and advanced processing
techniques to ensure superior performance.
| Feature |
Specification / Detail |
| Product Type |
Alloy Steel Tubes |
| Standards |
ASTM A213, A335, A179, ASME SA213 |
| Grades |
P5, P9, P11, P22, P91 |
| Tube Types |
Seamless, Boiler Tubes, Heat Exchanger Tubes |
| Size Range |
6 mm OD to 219 mm OD |
| Thickness |
1 mm to 25 mm |
| Surface Finish |
Annealed, Pickled, Normalized |
| Key Properties |
High temperature resistance, excellent strength, creep resistance |
Alloy steel tubes are designed for high-performance applications requiring durability under
thermal and mechanical stress.
Types of Alloy Steel Tubes We Manufacture
We manufacture a wide range of alloy steel tubes suitable for various industrial applications.
Seamless alloy steel tubes are preferred for high-pressure and high-temperature environments
due to their uniform structure and superior strength. Boiler tubes are specifically designed
for heat transfer and pressure applications in power plants.
We also supply heat exchanger tubes and customized alloy steel tubes with precise tolerances,
wall thickness, and finishes as per project requirements.
Grades, Materials & International Standards
Alloy steel tubes are available in multiple grades engineered for specific high-temperature
and high-pressure industrial applications.
| Grade |
Description |
Applications |
| P5 |
Chromium alloy steel |
High-temperature service, refineries |
| P9 |
Chromium-molybdenum steel |
Power plants, boilers |
| P11 |
Low alloy steel |
Heat exchangers, piping systems |
| P22 |
Cr-Mo alloy steel |
Boilers, pressure vessels |
| P91 |
High-performance alloy |
Power plants, superheaters |
| Category |
Standards |
| Tube Standards |
ASTM A213, ASTM A335 |
| ASME Standards |
ASME SA213, SA335 |
| International Standards |
EN, DIN, ISO |
Chemical Composition & Mechanical Properties
Alloy steel tubes offer excellent mechanical strength and outstanding resistance to high
temperatures and corrosive environments.
Chemical Composition (% Typical)
| Grade |
Cr (%) |
Mo (%) |
Other Elements |
| P5 |
4.0–6.0 |
0.45–0.65 |
Mn, Si |
| P9 |
8.0–10.0 |
0.9–1.1 |
Mn, Si |
| P11 |
1.0–1.5 |
0.44–0.65 |
Mn, Si |
| P22 |
2.0–2.5 |
0.9–1.1 |
Mn, Si |
| P91 |
8.0–9.5 |
0.85–1.05 |
V, Nb, N |
Mechanical Properties
| Grade |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
| P5 |
≥ 415 |
≥ 205 |
≥ 30 |
| P9 |
≥ 585 |
≥ 415 |
≥ 20 |
| P11 |
≥ 415 |
≥ 205 |
≥ 30 |
| P22 |
≥ 415 |
≥ 205 |
≥ 30 |
| P91 |
≥ 585 |
≥ 415 |
≥ 20 |
These properties ensure excellent performance under high temperature and pressure conditions.
Dimensions, Sizes & Weight Chart
We manufacture alloy steel tubes in a wide range of sizes suitable for industrial applications.
| OD (mm) |
Thickness (mm) |
Weight (kg/m) |
| 19.05 |
2.11 |
0.89 |
| 25.4 |
2.77 |
1.68 |
| 38.1 |
3.05 |
2.87 |
| 50.8 |
3.68 |
4.52 |
| 76.2 |
5.16 |
9.10 |
Custom sizes, tolerances, and specifications are available as per project requirements.
Applications & Industries Served
Alloy steel tubes are widely used in industries requiring high strength and resistance to
extreme temperatures. These include power generation plants, boilers, heat exchangers,
refineries, petrochemical plants, oil & gas industries, and pressure vessel manufacturing.
Their ability to withstand high thermal stress makes them ideal for superheaters, condensers,
and high-pressure piping systems.
Exporting Alloy Steel Tubes to Africa
As a leading Alloy Steel Tubes Manufacturer in India, we supply high-quality tubes to major
industrial projects across Africa. Our tubes are widely used in Nigeria, Egypt, Kenya,
South Africa, Ethiopia, and other regions across power, oil & gas, and infrastructure
sectors. Visit our
Africa Alloy Steel Tubes Exporter page.
Related Tube Products
We offer a comprehensive range of high-performance industrial tubes designed to meet diverse
application requirements across industries.
Why Choose CEBEX STEEL INDIA?
We deliver consistent quality, competitive pricing, and reliable global supply. Our engineering
team ensures correct material selection, compliance with standards, and technical support
for every project.
