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Help CenterBlack Coated Carbon Steel Pipe A106 Gr.B SCH40 SCH80 SCH160 Ends Beveled For Piping Systems
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Hemaokang Steel (Shandong) Co., Ltd. presents a premium range of Black Coated Carbon Steel Pipe A106 Gr.B, engineered specifically for demanding piping systems. As a reliable manufacturer and exporter established in 2025, we combine modern production capabilities with a customer-centric approach, ensuring every pipe meets rigorous industrial requirements. Our A106 Gr.B pipes are available in SCH40, SCH80, and SCH160 schedules with beveled ends, providing versatile solutions for high-pressure and high-temperature applications. With an annual export value of US$50–100 million and a dedicated team of 51–100 employees, we are committed to delivering quality, consistency, and on-time supply to global buyers.
These pipes are manufactured under strict quality control and comply with the ISO9001 quality management system, ensuring dependable performance across various industrial piping networks. Whether for oil and gas transmission, petrochemical plants, power generation, or general structural use, our black coated carbon steel pipes offer excellent strength, durability, and corrosion resistance. The black coating not only enhances the pipe's resistance to atmospheric corrosion but also provides a uniform surface finish that is easy to handle and install.
Below are the key features and technical specifications of our A106 Gr.B black coated carbon steel pipes:
- Material grade: ASTM A106 Gr.B carbon steel, known for good weldability and mechanical properties.
- Wall thickness options: SCH40, SCH80, SCH160 – suitable for different pressure ratings and structural needs.
- End preparation: Beveled ends (30° to 37.5°) to facilitate easy and secure field welding.
- Surface finish: Uniform black paint coating (optional also available with oiled or bare finish).
- Length: Standard 5.8m / 6.0m / 11.8m, or custom lengths as per project requirements.
- Pipe size range: 1/2" to 24" (DN15 to DN600), with other diameters available upon request.
- Application: Suitable for high-temperature and high-pressure piping systems in oil, gas, chemical, and power industries.
- Quality assurance: 100% hydrostatic testing and eddy current inspection performed.
- Packaging: Steel bundle or bulk, with plastic caps on ends to protect threads and bevels during transit.
| Specification | Details |
|---|---|
| Standard | ASTM A106 / A106M |
| Grade | Gr.B |
| Schedule | SCH40 / SCH80 / SCH160 |
| Wall Thickness | 2.77 mm – 20.62 mm (depending on pipe size and schedule) |
| End Type | Plain / Beveled |
| Coating | Black paint / Black oiled / Bare |
| Inspection | Hydrostatic, Eddy Current, Chemical & Physical Testing |
| Certification | ISO9001; Mill Test Certificate available |
| Shipping Port | Qingdao, China |
Our A106 Gr.B black coated pipes are manufactured from high-quality hot-rolled billets through a strict seamless pipe making process. The black coating is applied using a premium anti-corrosive paint that adheres firmly to the pipe surface, offering protection in outdoor storage and moderately corrosive environments. Beveled ends are precision-machined to meet standard welding requirements, reducing field preparation time and enabling faster installation. These pipes are an ideal choice for engineers and contractors who need reliable carbon steel piping that performs well in both high-pressure and high-temperature service.
Because we control the entire supply chain from sourcing raw materials to final delivery, we can offer competitive pricing without compromising on quality. Our flexible production capabilities allow us to fulfill both large-scale bulk orders and small custom orders. For special projects, we also offer customized lengths, schedules, end preparations, and additional surface treatments such as varnish coating or oiled finish. Every pipe is clearly marked with standard information including size, schedule, grade, heat number, and mill name, ensuring full traceability from production to installation.
At Hemaokang Steel, we understand that the success of any pipeline project depends on the quality and consistency of the pipe materials. Therefore, we have established a rigorous quality inspection system in accordance with ISO9001 guidelines, covering every stage from incoming material inspection to final product release. Our skilled team and advanced testing facilities help ensure that each pipe we ship meets the required mechanical, chemical, and dimensional specifications. We also provide engineering support to help customers select the right schedule and coating for their specific operating conditions.
As an ISO9001 certified company, Hemaokang Steel has built a solid reputation among clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. We focus on long-term partnerships, accurate documentation, and timely delivery. Our location in Liaocheng, Shandong, allows convenient access to Qingdao Port, one of China's major shipping hubs, ensuring fast and secure transportation to destinations worldwide. With an annual export value of US$50–100 million, we have demonstrated our capacity to handle substantial order volumes while maintaining high service standards.
We welcome inquiries for both standard and customized A106 Gr.B pipe requirements. Our knowledgeable sales team is ready to provide prompt quotations, technical advice, and sample support. Whether you are planning a new pipeline, upgrading an existing system, or need a dependable long-term supplier, Hemaokang Steel is your trustworthy partner. Contact us today to learn more about our black coated carbon steel pipes in SCH40, SCH80, and SCH160, and let us support your piping systems with quality products and professional service.
Frequently Asked Questions
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Q1: What is the difference between SCH40, SCH80, and SCH160?
SCH (schedule) represents wall thickness. SCH40 is a standard wall thickness for moderate pressure, SCH80 has a thicker wall for higher pressure, and SCH160 provides an even thicker wall for extremely high-pressure applications. The larger the schedule number, the thicker the pipe wall and the higher the pressure rating. -
Q2: Are beveled ends standard? Can I get plain ends?
Yes, beveled ends are standard on our A106 Gr.B pipes to facilitate welding. Plain ends are also available upon request. We can provide any end preparation that suits your installation method. -
Q3: What is the advantage of the black coating?
The black coating serves as a protective layer that minimizes surface corrosion during transportation and storage, and also gives the pipe a clean, uniform appearance. It is especially useful for outdoor applications where the pipe is exposed to moisture. -
Q4: Do you provide test certificates?
Yes, we provide a Mill Test Certificate (MTC) for each batch of pipes, which includes chemical composition, mechanical properties, heat treatment, and hydrostatic test results. The certificate is issued based on the actual test data of the batch. -
Q5: Can I customize the pipe length?
We offer standard lengths of 5.8m and 6m, as well as 11.8m depending on the schedule and size. Custom lengths are available subject to order quantity and production capabilities. Please send your specific requirements to our sales team. -
Q6: What is the typical lead time?
For standard sizes and schedules, the lead time is typically 15–25 days after deposit confirmation. For large quantities or customized specifications, the lead time may be slightly longer. We will provide an accurate schedule when you place the inquiry. -
Q7: Do you ship worldwide?
Yes. We regularly export to North America, South America, Europe, Southeast Asia, Africa, the Middle East, Oceania, and other regions. We ship from Qingdao Port, China, and can work with your preferred freight forwarder or provide shipping arrangements. -
Q8: Can I get samples before placing a bulk order?
Yes, we can provide small sample pieces for your quality evaluation. The sample cost may be charged, but it will be deducted from the bulk order payment. Please contact us to discuss your sampling needs.
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