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Help CenterFactory Direct Galvanized Steel Pipe With Mill Test Report 2 Inch 3 Inch Schedule 40 Q235 Standard Compliant
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Hemaokang Steel (Shandong) Co., Ltd. is proud to present our Factory Direct Galvanized Steel Pipe with Mill Test Report in sizes 2 inch and 3 inch, Schedule 40, compliant with Q235 standard. As a newly established but rapidly growing manufacturer with an annual export value of US$50-100 million and a team of 51-100 skilled professionals, we ensure every pipe meets rigorous quality benchmarks. Our direct factory supply eliminates middlemen, offering you competitive pricing without compromising on durability or certification. Each pipe is accompanied by a Mill Test Report to guarantee traceability and performance.
This galvanized steel pipe is engineered for versatility and longevity. The hot-dip galvanizing process provides superior corrosion resistance, making it ideal for both indoor and outdoor applications. With Schedule 40 wall thickness, it balances strength and weight, suitable for high-pressure fluid transport, structural framing, and fencing. The Q235 grade ensures excellent weldability and formability, while the factory-direct model ensures strict quality control from raw material to finished product.
Key Features & Benefits
- Hot-Dip Galvanized Coating – Uniform zinc layer (≥550g/m²) prevents rust and extends service life up to 50 years in normal environments.
- Schedule 40 Wall Thickness – Provides high pressure rating (up to 3000 psi) and structural integrity for demanding applications.
- Q235 Standard Compliance – Meets Chinese GB/T 3091-2015 for welded steel pipes, ensuring consistent mechanical properties.
- Mill Test Report Included – Each batch comes with a certificate detailing chemical composition, tensile strength, yield strength, and coating weight.
- Factory Direct Pricing – Save 15-20% compared to distributor prices, with flexible order quantities from 1 ton to bulk container loads.
- Customizable Lengths & Ends – Available in standard 5.8m/6m, or cut-to-length as requested. End types: plain, beveled, or threaded with coupling.
Technical Specifications
| Parameter | 2 Inch (DN50) | 3 Inch (DN80) |
| Outer Diameter (mm) | 60.3 | 88.9 |
| Wall Thickness (mm) | 3.91 | 5.49 |
| Weight per Meter (kg) | 5.44 | 11.29 |
| Working Pressure (psi) | 3000 | 2500 |
| Zinc Coating Weight (g/m²) | ≥550 | ≥550 |
| Tensile Strength (MPa) | 375-500 | 375-500 |
| Yield Strength (MPa) | ≥235 | ≥235 |
Applications
- Water supply and distribution systems (potable water, irrigation)
- Structural supports, handrails, and scaffolding
- Oil and gas pipelines (low-pressure)
- Fencing, gates, and agricultural equipment
- HVAC systems and fire sprinkler lines
Why Choose Hemaokang Steel?
With an annual export value of US$50-100 million and a dedicated team of 51-100 employees, our factory in Liaocheng, Shandong operates with advanced production lines and strict quality control. We hold ISO9001 certification and serve customers across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our commitment to transparency is reflected in the Mill Test Report provided with every shipment, ensuring you receive exactly what you order. We offer flexible payment terms, fast lead times (15-25 days), and professional after-sales support. Whether you need 2-inch or 3-inch Schedule 40 pipes, we deliver consistent quality at factory-direct prices. Contact us today for a quote or to request a sample.
Frequently Asked Questions
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Q: What is the difference between Schedule 40 and Schedule 80?
A: Schedule 40 has a thinner wall compared to Schedule 80. For 2-inch pipe, Schedule 40 wall thickness is 3.91mm, while Schedule 80 is 5.54mm. Schedule 40 is lighter and more cost-effective for standard applications. -
Q: Does the pipe come with threaded ends?
A: Yes, we can provide plain, beveled, or threaded ends with couplings upon request. Threaded ends are available for both 2-inch and 3-inch sizes. -
Q: Can I get a sample before placing a bulk order?
A: Absolutely. We offer sample orders (minimum 1 meter) with freight collected. Samples are shipped within 5 working days after payment. -
Q: What certifications does the Mill Test Report contain?
A: The Mill Test Report includes chemical composition (C, Si, Mn, P, S), mechanical properties (tensile, yield, elongation), and coating weight test results. It is issued by our quality department. -
Q: Is the pipe suitable for underground water lines?
A: Yes, the hot-dip galvanized coating provides excellent corrosion resistance. For aggressive soil conditions, we recommend additional wrapping or coating as an optional extra. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is 1 ton for standard sizes. For customized lengths or special end finishes, MOQ may be higher. Contact our sales team for details. -
Q: How long is the delivery time?
A: Standard delivery is 15-25 days after order confirmation, depending on quantity. We can expedite for urgent orders subject to stock availability. -
Q: Do you accept third-party inspection?
A: Yes, we welcome inspections by SGS, Bureau Veritas, or any other accredited third-party agency. The cost is borne by the buyer unless otherwise agreed.
Trust Hemaokang Steel for your piping needs – quality, reliability, and factory-direct savings.
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