ASTM A192 Carbon Steel Tubes – Manufacturer
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Midland Alloys Inc. is a trusted Indian manufacturer and global supplier of ASTM A192 Carbon Steel Tubes, catering to high-pressure applications across industries. These tubes are designed specifically for superheater and boiler systems, where durability and heat resistance are critical. ASTM A192 Carbon Steel Pipes, commonly known as ASTM A192 High Pressure Steel Boiler Pipes, are seamless carbon steel pipes known for their uniform structure, superior mechanical strength, and resistance to high temperatures. They are produced in accordance with stringent ASTM A192 standards and have a precise chemical composition such as carbon (0.06–0.18%), manganese (0.27–0.63%) and trace elements such as phosphorus and sulfur. Their mechanical properties, which ensure exceptional toughness under pressure, include a minimum yield strength of 180 MPa, a tensile strength of at least 325 MPa, elongation exceeding 35% and a significant decrease in area.
Benefits of ASTM A192 Carbon Steel Tubes
Heat exchangers and boiler systems support ASTM A192 tubes due to their exceptional performance in high-pressure environments. Their structural and chemical integrity makes them dependable to use over long period under thermal and mechanical stress.
- In pressure applications such as high tensile strength ensures mechanical dependability.
- Excellent heat resistance for long term operation in boiler equipment
- Outstanding corrosion resistance extends service life
- Weak weld points are eliminated by seamless construction.
- Uniform wall thickness maintains stable thermal conductivity
- Lightweight compared to alloy alternatives without compromising strength
- Affordable solution for power and heat exchanger units
- Performs well in high-pressure steam and fluid transportation systems
ASTM A179 Carbon Steel TubesSpecifications
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
Technical Details & Delivery Condition
| Element | A/SA 179 |
|---|---|
| C | 0.06-0.18 |
| Mn | 0.27-0.63 |
| P | ≤0.035 max |
| S | ≤0.035 max |
| Element | A/SA 179 |
|---|---|
| Tensile Strength KSI (MPa) | 47 (325) |
| Yield Strength KSI (MPa) | 47 (325) |
| Elongation min. % | 35 |
| ASTM A179 Pipe Types | Out diameter | Wall thickness | Length |
|---|---|---|---|
| ASTM A179 Heat Exchanger Tube | 16″ NB – 100″ NB | As per requirement | Custom |
| ASTM A179 Seamless Tube (Custom Sizes) | 1/2″ NB – 60″ NB | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Custom |
| ASTM A179 ERW Tube (Custom Sizes) | 1/2″ NB – 24″ NB | As per requirement | Custom |
| ASTM A179 Welded Tube (in Stock + Custom Sizes) | 1/2″ NB – 24″ NB | As per requirement | Custom |
Carbon Steel Tubes Grades We Offer
Difference Between ASTM A192 Carbon Steel Tubes and ASTM A179 Carbon Steel Tubes
Though both are utilized in boiler and heat exchanger applications, ASTM A192 Carbon Steel Seamless Tubes are produced for high-pressure conditions, providing more tensile strength and thicker wall thickness than ASTM A179.ASTM A179 tubes are generally suited for low-pressure and moderate-temperature applications and have lower carbon content for improved ductility. In contrast, ASTM A192 is engineered with enhanced strength and greater heat tolerance, making it ideal for critical service areas such as superheaters and high-pressure steam systems. The SA192 Welded Tubes variant can be customized further for mechanical strength and thermal reliability, unlike the thinner ASTM A179 types.
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 ASTM A192 Carbon Steel Tubes
ASTM A192 carbon steel tubes in India are widely used in thermal power plants, petrochemical refineries, and industrial boilers. These tubes function efficiently as CS ASTM A192 heat exchanger tubes, managing high-pressure steam and fluid systems with precision. Their application in boiler economizers, superheaters and condensers highlights their applicability across heavy industrial applications and power plant infrastructure projects. With flawless construction and robust thermal quality, ASTM A192 Tubes provide uniform performance in severe heat transfer applications.
Why Choose Midland Alloys Inc. for SA192 Welded Tubes
Midland Alloys Inc. is a leading Indian manufacturer and exporter of high-quality SA192 Welded Tubes, known for our precision-driven production, strict adherence to ASTM/EN standards, and ISO-certified manufacturing processes. We provide flexible customization options such as cut-to-length sizes, special end finishes, surface treatments, and tailored schedules to meet project-specific requirements. With a strong global supply footprint, we serve customers in the Gulf, Europe, Africa, and Southeast Asia on a regular basis, providing reliable service and prompt delivery. We ensure that each ASTM A192 Tube meets performance and compliance standards through in-house testing, mill certifications and third-party inspection facilities. We handle both small and bulk orders with the same diligence with the intention of fostering long-term relationships on the grounds of trust, quality and customer satisfaction. Each tube is properly labeled in accordance with ASTM/ASME standards and also comes with Mill Test Certificates (MTC) assuring full chemical and mechanical compliance.
FAQs
Wall thicknesses differ between 0.8 mm to 12 mm and standard sizes range from 6.35 mm OD to 101.6 mm OD.
Depending on the pressure, these tubes can operate continuously at temperatures as high as 575°C.
Prices usually range from ₹90 to ₹150 per kg, though they can vary depending on size, length, and order volume.
Yes, ASTM A192 Carbon Steel Seamless Tubes are made especially for superheater, and high-pressure boiler systems.
In accordance with ASTM guidelines, tubes are subjected to hydrostatic testing, flattening, flaring, hardness testing and chemical analysis.
