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Help CenterGalvanized Steel Pipe for Irrigation System 1.5 Inch OD 3.5mm Wall 6m
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Hemaokang Steel (Shandong) Co., Ltd. is a trusted manufacturer and exporter of high-quality galvanized steel pipes, with an annual export value exceeding US$50 million and a dedicated team of 51–100 professionals. Our Galvanized Steel Pipe for Irrigation System (1.5 inch OD, 3.5mm wall, 6m length) is designed to deliver long-lasting performance in demanding agricultural environments. The pipe is hot-dipped galvanized to provide superior corrosion resistance, ensuring a service life that meets the expectations of modern irrigation projects. We serve markets across North America, South America, Europe, Africa, Oceania, and Asia, and our products are backed by ISO 9001:2015 certification.
This pipe is specifically engineered for irrigation systems that require reliable water conveyance under pressure. The 1.5-inch outer diameter and 3.5mm wall thickness offer an optimal balance of strength and flow capacity, while the 6-meter standard length reduces the number of joints needed for long-distance installation. Below we detail the key features, technical specifications, and benefits that make this product a preferred choice for contractors and farmers worldwide.
Key Features & Benefits
- Superior Corrosion Resistance: Hot-dipped galvanized coating (zinc layer) protects against rust, even in wet soil or humid environments, extending the pipe’s lifespan significantly.
- High Pressure Capacity: With 3.5mm wall thickness, the pipe withstands water pressure fluctuations common in pump-fed irrigation systems.
- Easy Installation: Standard 6m length reduces welding or coupling work; optional threaded ends allow quick connection without welding.
- Versatile Compatibility: Fits standard fittings and connectors (1.5-inch nominal size) used in drip irrigation, sprinkler systems, and flood irrigation.
- Low Maintenance: The smooth galvanized surface minimizes friction loss and prevents clogging from scale buildup.
- Customizable Options: Available in different lengths, end finishes (plain, beveled, threaded), and coating thickness upon request.
Technical Specifications
| Parameter | Value |
| Outer Diameter | 1.5 inch (38.1 mm) |
| Wall Thickness | 3.5 mm |
| Length | 6 meters (custom lengths available) |
| Zinc Coating Weight | ≥ 200 g/m² (hot-dipped, can be customized) |
| Material Grade | Q195, Q235, or equivalent |
| Standard Compliance | ASTM A53, BS 1387, EN 10255 (available upon request) |
| End Finish | Plain, Beveled, Threaded, or Coupled (optional) |
| Working Pressure | Up to 20 bar (depending on application and joining method) |
Detailed Product Description
The Galvanized Steel Pipe 1.5″ OD x 3.5mm x 6m is manufactured using a rigorous hot-dip galvanizing process that ensures a uniform and durable zinc coating. This coating acts as a barrier against moisture, chemicals, and soil corrosiveness, which is particularly important for irrigation systems exposed to water and fertilizers. The pipe’s 3.5mm wall thickness provides structural integrity even under heavy loads, making it suitable for both above-ground and buried installations.
For agricultural use, the pipe can be connected via threaded fittings, flanges, or welded joints. The standard 6-meter length minimizes the number of connections, reducing potential leak points and installation time. The pipe’s smooth interior surface ensures low friction loss, which helps maintain consistent water pressure across the entire irrigation network. Additionally, the zinc coating eliminates the need for frequent painting or anti-rust treatment, saving labor and material costs over the long term.
Our production process adheres to ISO 9001:2015 quality management standards, and every batch undergoes rigorous testing for dimensional accuracy, zinc coating thickness, and mechanical properties. We offer customization options such as different lengths (4m, 8m, 12m, or custom), special zinc coating weights for aggressive environments, and color coding for easy identification in the field. This flexibility ensures that the pipe can be tailored to specific project requirements, whether for a small farm or a large-scale irrigation district.
Why Choose Hemaokang Steel?
- Extensive Export Experience: With annual export value of US$50–100 million, we have shipped millions of tons of steel pipes to over 20 countries, including the USA, Canada, Australia, Germany, Saudi Arabia, and Kenya.
- Professional Team: Our 51–100 employees include skilled engineers, QC inspectors, and logistics specialists who ensure on-time delivery and consistent quality.
- ISO 9001:2015 Certified: Our factory is audited annually to maintain ISO certification, guaranteeing traceability and process control.
- Competitive Pricing: We source raw materials directly from Chinese mills and operate efficient production lines, allowing us to offer factory-direct prices without compromising on quality.
- After-Sales Support: We provide technical documentation, installation guides, and responsive customer service. For any issues, our team is available for consultation via email or video call.
We understand that irrigation projects demand reliability, and our galvanized steel pipe has been tested in a variety of climates—from arid regions in the Middle East to humid tropical areas in Southeast Asia. The pipe’s performance has been proven in thousands of installations, earning the trust of farmers, contractors, and government agencies alike.
Whether you need a small quantity for a pilot project or a bulk order for a large-scale agricultural development, we are ready to accommodate your requirements. Our liaocheng, Shandong factory is strategically located near major ports, enabling efficient logistics to any destination worldwide. We invite you to experience the durability and cost-effectiveness of our product firsthand.
Contact us today for a quotation or technical consultation. Our team will respond within 24 hours with product specifications, shipping options, and payment terms. Let Hemaokang Steel be your reliable partner for irrigation infrastructure.
Frequently Asked Questions (FAQ)
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Q: Is this pipe suitable for underground installation?
A: Yes, the hot-dipped galvanized coating provides excellent corrosion resistance against soil moisture and chemicals. However, for extremely corrosive soil conditions, we recommend specifying a heavier zinc coating (e.g., ≥ 300 g/m²) or additional wrapping protection. -
Q: What is the working pressure of this pipe?
A: The safe working pressure depends on the connection method and operating conditions. For plain-end pipe with couplings, typical working pressure is up to 10 bar. For threaded joints, it is recommended to stay below 6 bar. Welded joints can withstand higher pressures—please consult our technical team for specific calculations. -
Q: Can I get the pipe with threaded ends?
A: Yes, we offer threaded ends (NPT or BSP) as an option. Please specify the threading standard and whether you need couplings included. Additional cost applies. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, the MOQ is 1 ton (approximately 50 pieces of 6m pipe). For customized sizes or special coatings, MOQ may be higher. We can also accommodate trial orders for new customers. -
Q: How long does the zinc coating last?
A: The service life of the galvanized coating depends on environmental conditions. In typical agricultural irrigation environments (moderate humidity, soil pH 6–8), the coating can last 20–30 years before the first maintenance. For more aggressive environments, we recommend a thicker coating or periodic inspection. -
Q: Do you provide samples before bulk order?
A: Yes, we can provide samples (e.g., 30cm length) for quality evaluation. The sample is free, but the customer pays for shipping. We can also arrange for third-party inspection before shipment. -
Q: Is this pipe compliant with international standards?
A: Our pipe can be manufactured to ASTM A53, BS 1387, EN 10255, or equivalent standards. Please specify your required standard when placing an order. We also have ISO 9001 certification to ensure consistent quality. -
Q: What payment terms do you accept?
A: We accept T/T (30% deposit, 70% before shipment), L/C at sight, and for long-term partners, negotiable terms. For small orders, full payment via T/T is preferred.
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