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Help CenterGalvanized Steel Pipe 1.5mm-4.0mm Wall Thickness 6m Length Hot Dipped Zinc Coating 300g/m2
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Hemaokang Steel (Shandong) Co., Ltd. is proud to present our premium Galvanized Steel Pipe with a wall thickness range of 1.5mm to 4.0mm, standard length of 6 meters, and a hot-dipped zinc coating of 300g/m². As a newly established yet rapidly growing enterprise backed by an annual export value of US$50 million to US$100 million, we combine modern manufacturing expertise with rigorous quality control to deliver corrosion-resistant pipes that meet diverse industrial needs. Our pipes are designed to provide long-lasting performance in harsh environments, making them the ideal choice for infrastructure, construction, and fluid transportation projects worldwide.
Each pipe is manufactured using high-quality steel and undergoes a meticulous hot-dip galvanizing process to ensure uniform zinc adhesion and superior protection against rust. With ISO9001 certification, you can trust that every batch is produced to consistent standards. Whether you are a distributor, contractor, or engineer, our galvanized steel pipes offer the perfect balance of strength, durability, and cost-effectiveness.
Key Features & Technical Specifications
- Wall Thickness Options: Available from 1.5mm to 4.0mm, allowing you to select the appropriate strength for your application.
- Standard Length: 6 meters per pipe, with custom lengths available upon request for large orders.
- Hot-Dipped Zinc Coating: 300g/m² coating weight ensures excellent corrosion resistance, extending service life in outdoor and underground use.
- High Strength: Made from Q195, Q215, or Q235 steel, providing reliable mechanical properties.
- Versatile End Types: Plain end for welding or threading, with threaded options available for easy connection.
- Easy to Install: Lightweight yet sturdy, suitable for quick assembly and reduced labor costs.
- Wide Applications: Ideal for water supply, gas transmission, fence posts, scaffolding, greenhouse frames, and structural supports.
| Parameter | Specification |
|---|---|
| Outer Diameter Range | 20mm – 219mm (customizable) |
| Wall Thickness | 1.5mm – 4.0mm |
| Length | 6m (standard), Custom lengths available |
| Zinc Coating Weight | 300g/m² (average) |
| Material Grade | Q195, Q215, Q235 |
| Surface Treatment | Hot Dipped Galvanized (HDG) |
| Standard | ISO9001, GB/T 3091-2015 |
| End Type | Plain End / Threaded (optional) |
Advantages for Your Business
Choosing our galvanized steel pipes means investing in quality that reduces maintenance and replacement costs. The 300g/m² zinc coating provides superior protection against corrosion, even in coastal or high-humidity environments. With a wide range of wall thicknesses, you can select the exact pipe for your pressure or load requirements. Our 6-meter standard length minimizes waste during installation, and custom lengths help you optimize material usage for large-scale projects.
Additionally, our pipes are compatible with various joining methods—welding, threading, or using couplings—giving you flexibility in assembly. The smooth surface finish also reduces friction for fluid transportation, improving efficiency in water supply and drainage systems.
Why Partner with Hemaokang Steel?
Hemaokang Steel (Shandong) Co., Ltd. is a reliable supplier with an annual export value of US$50 million to US$100 million. Our team of 51–100 experienced professionals ensures that every order is handled with care, from raw material sourcing to final inspection. We serve markets across North America, South America, Europe, Asia, Africa, Oceania, and more. With ISO9001 certification, our production processes are audited regularly to maintain consistent quality.
We offer competitive pricing, flexible shipping options (FOB, CIF, etc.), and dedicated after-sales support. Whether you need a small sample or a full container load, we are committed to delivering on time and to your specifications. Contact us today to discuss your requirements or request a quote. Let us be your trusted partner for galvanized steel pipe solutions.
Frequently Asked Questions (FAQ)
Q1: What is the difference between hot-dipped galvanized and pre-galvanized pipes?
A: Hot-dipped galvanized (HDG) pipes are immersed in molten zinc, resulting in a thicker, more durable coating that bonds metallurgically with the steel. Pre-galvanized pipes are coated with zinc before forming, which can lead to thinner coating and less protection at cut edges. Our HDG pipes offer superior corrosion resistance for outdoor and underground applications.
Q2: Can you provide pipes with wall thickness less than 1.5mm or more than 4.0mm?
A: Yes, we can customize wall thicknesses outside the standard range for large orders. Please contact our sales team with your specific requirements, and we will provide a tailored solution.
Q3: What is the minimum order quantity (MOQ)?
A: Our MOQ for standard sizes is typically 1 ton. For non-standard dimensions or custom lengths, MOQ may be higher. We welcome small trial orders to evaluate quality.
Q4: How do you ensure the zinc coating weight is 300g/m²?
A: We perform random sampling and testing using magnetic thickness gauges and gravimetric methods in our QC lab. Each batch is tested to ensure the average coating weight meets the specified 300g/m².
Q5: Are your pipes suitable for drinking water systems?
A: Yes, our galvanized pipes are manufactured with food-grade zinc coating that complies with relevant standards. However, for potable water, local regulations may require additional testing. We recommend consulting with your local authority.
Q6: What payment terms do you accept?
A: We accept T/T (wire transfer), L/C (letter of credit), and other negotiable terms. For first-time customers, a 30% deposit and 70% balance before shipment is common.
Q7: How long is the delivery time?
A: For standard sizes and quantities, delivery is usually within 15-20 days after deposit confirmation. For custom orders, lead time may vary. We will provide an accurate schedule upon order confirmation.
Q8: Do you provide free samples?
A: Yes, we can provide small samples (e.g., 30cm length) for quality evaluation. The client is responsible for shipping costs. Sample orders are processed quickly.
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