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Help Center2 Inch Schedule 40 Hot Dip Galvanized Steel Pipe ASTM A53 Grade B Threaded End
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As a professional manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are proud to present our 2 inch Schedule 40 Hot Dip Galvanized Steel Pipe ASTM A53 Grade B Threaded End. This product is engineered to meet the highest standards of durability and corrosion resistance, making it an ideal choice for a wide range of industrial and commercial applications. With our state-of-the-art production lines and strict quality control, we ensure every pipe delivers consistent performance and long service life.
Our pipe is manufactured from ASTM A53 Grade B carbon steel, which provides excellent tensile strength and weldability. The hot dip galvanizing process adds a robust zinc coating that protects against rust, chemicals, and harsh environmental conditions. The threaded ends are precision-cut to ensure tight, leak-free connections, saving installation time and reducing maintenance costs.
Below are the key technical specifications of our 2" Schedule 40 HDG threaded pipe:
| Parameter | Value |
| Nominal Diameter | 2 inch (DN50) |
| Schedule | 40 |
| Outside Diameter | 2.375 inch (60.3 mm) |
| Wall Thickness | 0.154 inch (3.91 mm) |
| Weight per Foot | 3.65 lbs (1.66 kg) |
| Zinc Coating Thickness | ≥ 85 μm (average) |
| Thread Type | NPT (National Pipe Thread) or BSPT (available upon request) |
| Standard Length | 20 ft (6 m) or custom lengths |
Product Features:
- Corrosion Resistance: The hot dip galvanized coating provides excellent protection against rust and corrosion, extending the pipe's service life in outdoor or moist environments.
- High Strength: Made from ASTM A53 Grade B steel, this pipe offers a minimum yield strength of 35,000 psi and tensile strength of 60,000 psi, ensuring reliable performance under pressure.
- Threaded Ends: Precision-threaded ends allow for quick and easy installation with standard fittings, reducing labor costs and downtime.
- Versatile Applications: Suitable for water, oil, gas, steam, and structural applications in construction, petrochemical, agricultural, and mining industries.
- Compliance: Manufactured in accordance with ASTM A53 standards and certified under ISO9001 quality management system.
- Consistent Quality: Each pipe undergoes hydrostatic testing, dimension inspection, and visual checks to ensure zero defects.
- Customizable: Available in different lengths, threading options (NPT/BSPT), and packaging (bundled, capped, or palletized) as per customer requirements.
Benefits to Customers:
- Reduced maintenance and replacement costs due to long-lasting galvanized coating.
- Faster project completion with pre-threaded ends that eliminate on-site threading.
- Enhanced safety and reliability with pressure-rated pipes that meet industry standards.
- Cost-effective solution for large-scale projects requiring high-volume procurement.
- Reliable supply chain with stable inventory and fast delivery from our factory in Liaocheng, Shandong, China.
Company Trustworthiness:
At Hemaokang Steel (Shandong) Co., Ltd., we have established a strong reputation in the global steel market since our founding in 2025. With an annual export value of US$50 million to US$100 million and a dedicated team of 51–100 employees, we are capable of handling large orders with consistent quality. Our products are exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions, serving clients across diverse industries. We hold ISO9001 certification, which underscores our commitment to quality management. Our factory is equipped with modern production lines and testing equipment, ensuring every pipe meets your specifications. We invite you to contact us for samples, quotes, or technical support. Choose Hemaokang Steel for dependable, high-performance pipe solutions.
Frequently Asked Questions (FAQ)
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Q: What is the difference between Schedule 40 and Schedule 80 pipes?
A: Schedule 40 has a thinner wall than Schedule 80. For a 2-inch pipe, Schedule 40 wall thickness is 0.154 inch, while Schedule 80 is 0.218 inch. Schedule 80 can handle higher pressure but is heavier and more expensive. Choose based on your application pressure requirements. -
Q: Is the zinc coating uniform on the threaded area?
A: The pipe is threaded after galvanizing for most threaded end products. However, we can also supply galvanized after threading upon request. Standard practice is to thread after galvanizing, which removes the coating from the threads; but a thin layer of zinc remains on the crests. For fully protected threads, we recommend using galvanized couplings or applying a cold galvanizing spray after installation. -
Q: Can I get this pipe in lengths other than 20 feet?
A: Yes, we offer custom lengths from 1 m to 12 m, subject to minimum order quantity. Please contact our sales team to discuss your specific requirements. -
Q: What is the maximum working pressure for this pipe?
A: According to ASME B31.1, a 2-inch Schedule 40 ASTM A53 Grade B pipe has a maximum allowable working pressure of approximately 710 psi (for seamless) and 530 psi (for welded) at 100°F. Always consult a qualified engineer for your specific application. -
Q: Do you provide cutting and threading services for custom lengths?
A: Yes, we can cut and thread pipes to your desired length. Additional charges may apply. Please inquire for details. -
Q: Is this pipe suitable for underground water lines?
A: Yes, the hot dip galvanized coating provides excellent corrosion resistance in soil. However, for direct burial in corrosive soil, additional protective wrapping or cathodic protection may be recommended. -
Q: What kind of packaging do you offer for export?
A: We typically pack pipes in bundles steel strapped, with plastic caps on each end to protect threads. For sea freight, we use waterproof wrapping or wooden crates as needed. Custom packaging is available. -
Q: How do I place a sample order?
A: You can request a sample by contacting our sales team. A small quantity of 1–2 pipes can be shipped via express courier. Sample cost is refundable upon bulk order placement.
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