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Help CenterSeamless Steel Pipe Used in Boiler Tubes ASTM A192 4 Inch
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Hemaokang Steel (Shandong) Co., Ltd. proudly presents our ASTM A192 Seamless Steel Pipe specifically designed for boiler tubes. With a diameter of 4 inches, this product meets the rigorous demands of high-temperature and high-pressure applications in power generation, industrial boilers, and heat exchangers. Our company, established in 2025, has rapidly grown to achieve an annual export value of US$50 million to US$100 million, serving customers across North America, South America, Europe, Asia, and Africa. This seamless steel pipe is manufactured under strict quality control, backed by our ISO9001 certification, ensuring reliability and performance in your critical operations.
The ASTM A192 standard specifies minimum wall thickness for seamless carbon steel boiler tubes, making our 4-inch pipe ideal for superheaters, economizers, and steam pipelines. Our production process includes hot-rolled or cold-drawn methods, resulting in excellent dimensional accuracy and smooth surface finish. Each pipe undergoes rigorous testing, including hydrostatic, eddy current, and ultrasonic inspection, to guarantee zero defects. This ensures long service life, reduced maintenance, and enhanced safety for your boiler systems.
Key Features & Technical Specifications
- Material: High-quality carbon steel (C ≤0.25%, Mn 0.27-0.63%, S ≤0.035%, P ≤0.035%)
- Outer Diameter: 4 inch (101.6 mm ± 1%)
- Wall Thickness: Available from 4.0 mm to 12.0 mm, customizable per project
- Length: Random length 5.8-12.0 m, or fixed length as per your request
- Surface: Black (as-rolled), oiled, or galvanized finish available
- Ends: Plain end, beveled end for welding, or threaded ends
- Testing: Hydrostatic pressure test, eddy current test, UT, and tensile test
Dimensional & Mechanical Properties (Typical)
| Parameter | Specification |
|---|---|
| Outer Diameter | 4 inch (101.6 mm) |
| Wall Thickness | 4.0 - 12.0 mm (customizable) |
| Tensile Strength (min) | 325 MPa |
| Yield Strength (min) | 180 MPa |
| Elongation (min) | 35% |
| Working Temperature | Up to 500°C (932°F) |
Our ASTM A192 seamless steel pipe offers significant advantages for your boiler tube applications:
- High Temperature & Pressure Resistance: Designed to withstand extreme conditions, ensuring safe and efficient operation.
- Excellent Corrosion Resistance: Carbon steel composition with proper treatment minimizes scaling and oxidation.
- Superior Weldability: Beveled ends and consistent material chemistry enable easy field welding.
- Cost-Effective: Seamless construction eliminates weak points, reducing failure risk and maintenance costs.
- Customizable: We offer various sizes, thicknesses, lengths, and surface finishes to meet your specific project requirements.
Trust & Reliability
As a ISO9001 certified manufacturer, Hemaokang Steel (Shandong) Co., Ltd. has a dedicated team of 51-100 employees and a robust supply chain that supports an annual export value of US$50 million to US$100 million. Our products are trusted by clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and domestic markets. We are located in Liaocheng, Shandong, China, a renowned steel production hub. Our commitment to quality, on-time delivery, and competitive pricing ensures that you receive the best value for your investment. We invite you to contact us for a quote or technical consultation. Experience the reliability of Hemaokang Steel today!
Frequently Asked Questions (FAQ)
Q1: What is the application of the ASTM A192 4-inch seamless pipe?
A: It is primarily used as boiler tubes, superheaters, economizers, and heat exchangers in power plants, industrial boilers, and petrochemical industries.
Q2: What are the wall thickness options available for this pipe?
A: Wall thickness ranges from 4.0 mm to 12.0 mm, but we can customize thickness according to your project requirements. Please contact us for specific needs.
Q3: Does this pipe come with a certificate of material?
A: Yes, we provide a mill test certificate (MTC) with each shipment, including chemical composition and mechanical properties, as per ASTM A192 standards.
Q4: Can you supply the pipe with beveled ends for welding?
A: Absolutely. We can provide plain ends, beveled ends (30° or 37.5°), or threaded ends based on your specifications.
Q5: What is the typical lead time for orders?
A: For standard sizes, lead time is approximately 15-25 days after order confirmation. For customized specifications, please allow 30-45 days.
Q6: How is the pipe packaged for export?
A: Pipes are bundled with steel strips, wrapped in waterproof material, and secured in containers. Custom packaging is available upon request.
Q7: Is the pipe tested for pressure?
A: Yes, every pipe undergoes hydrostatic pressure testing, eddy current testing, and ultrasonic inspection to ensure no leaks or defects.
Q8: Do you accept small trial orders?
A: Yes, we welcome small orders for trial purposes. Minimum order quantity is negotiable. Contact our sales team for details.
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