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Help CenterASTM A53 Grade B Carbon Steel Pipe 8 Inch Schedule 40 0.322 Inch Wall Beveled Ends
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As a professional manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are dedicated to providing high-quality carbon steel pipes for global customers. Our ASTM A53 Grade B Carbon Steel Pipe 8 Inch Schedule 40 with 0.322 Inch Wall Thickness and Beveled Ends is a reliable solution for various industrial applications. Founded in 2025, our company has quickly established an annual export value of US$50-100 million, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With ISO9001 certification and a skilled team of 51-100 employees, we ensure every pipe meets rigorous quality standards.
This pipe is manufactured in strict accordance with ASTM A53 Grade B specifications, making it suitable for pressure and mechanical applications, as well as for conveying gas, water, and oil in the petroleum and natural gas industries. The 8-inch nominal diameter (DN200) with Schedule 40 wall thickness offers a balance of strength and flow capacity, while the beveled ends facilitate efficient welding and installation.
Key Product Features and Benefits
- High Strength & Durability: ASTM A53 Grade B material provides excellent tensile and yield strength, ensuring long-term performance under pressure and stress.
- Schedule 40 Wall Thickness: The 0.322-inch wall offers superior resistance to internal pressure and external loads, suitable for both above-ground and buried pipelines.
- Beveled Ends: Pre-beveled at 30°-37.5° for quick and secure welding, reducing installation time and labor costs.
- Versatile Applications: Ideal for oil and gas transmission, structural supports, plumbing, and industrial fluid handling.
- Customizable Length: Available in standard 6m (20ft) or 12m (40ft) lengths, or customized to your project requirements.
- Surface Options: Choose from black painted, bare (mill finish), or hot-dip galvanized coating for enhanced corrosion resistance in harsh environments.
- Consistent Quality: Manufactured under ISO9001 quality management system, each pipe undergoes strict dimensional, chemical, and mechanical testing.
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Pipe Size | 8 Inch (DN200) |
| Outside Diameter | 8.625 Inch (219.1 mm) |
| Wall Thickness | 0.322 Inch (8.18 mm) – Schedule 40 |
| Pipe Weight | 28.55 lb/ft (42.56 kg/m) |
| End Preparation | Beveled Ends (30°-37.5° included angle) |
| Length | 6m / 12m (Random Lengths Available) |
| Material Grade | ASTM A53 Grade B |
| Chemical Composition (max) | C: 0.30%, Mn: 1.20%, P: 0.05%, S: 0.045% |
| Tensile Strength (min) | 60,000 psi (415 MPa) |
| Yield Strength (min) | 35,000 psi (240 MPa) |
Why Choose Hemaokang Steel?
With our large production capacity and rigorous quality control, we supply carbon steel pipes to demanding projects worldwide. Our ISO9001-certified facility ensures traceability from raw material to finished product. We have served clients in over 20 countries, and our annual export volume reflects our strong reliability. Our team of experienced engineers and sales staff provides professional technical support, fast delivery, and flexible payment terms.
We understand that pipeline projects require consistent quality and timely supply. That's why we maintain ample stock of 8-inch Schedule 40 pipes and offer quick turnaround for custom orders. Whether you need standard black pipes or galvanized coating for corrosion protection, we can accommodate your requirements.
Frequently Asked Questions (FAQ)
-
What is the minimum order quantity (MOQ) for this pipe?
Our MOQ for 8-inch Schedule 40 pipe is typically 10 tons. However, for sample orders or smaller quantities, please contact us directly for special arrangements. -
What are the available length options?
Standard lengths are 6m (20ft) and 12m (40ft). We also offer random lengths and custom cuts based on your project requirements. -
Can you provide third-party inspection?
Yes, we welcome third-party inspectors such as SGS, BV, or Intertek. Inspection fees are negotiable, and we can arrange at buyer's request. -
What is the typical lead time?
For stock items, delivery is usually within 7-15 days after deposit. For custom lengths or special coatings, lead time may be 20-30 days, depending on order quantity. -
Do you offer galvanized coating for this pipe?
Yes, we offer hot-dip galvanized coating (ASTM A123) as an option. Please specify your requirement when placing an order. -
What payment terms do you accept?
We accept T/T (telegraphic transfer), L/C (letter of credit), and for certain orders, D/P or Western Union. Terms are negotiable based on order value and customer history. -
Is the pipe suitable for high-pressure gas transmission?
Yes, ASTM A53 Grade B Schedule 40 pipe is commonly used for natural gas and oil transmission within its pressure rating. Please refer to the applicable piping code for design limits. -
Do you provide mill test certificates (MTC)?
Absolutely. Each shipment includes a mill test certificate conforming to EN 10204 3.1 or 3.2, confirming chemical and mechanical properties.
Contact us today for a competitive quote and expert advice on your next pipeline project. With Hemaokang Steel, you get quality, reliability, and global reach.
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