China Hot Dip Galvanized Steel Pipe BS1387 Factory, Factories

The Product Description

Product name	Hot Dip Galvanized Steel Pipe/Pre-Galvanized Steel Pipe
Wall Thickness	0.6mm--20mm
Length	1--14m According to customer requirements ...
Outer Diameter	1/2’’(21.3mm)---16’’(406.4mm)
Tolerance	Tolerance based on Thickness: ±5～±8%
Shape	Round
Material	Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387......
Surface treatment	Galvanized
Zinc coating	Pre-galvanized steel pipe: 40--220G/M2 \| Hot dip galvanized steel pipe: 220--350G/M2
Standard	ASTM, DIN, JIS, BS
Certificate	ISO, BV, CE, SGS
Payment terms	30%T/T deposit in advance, 70% balance after B/L copy; 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L copy 20--30days
Delivery times	25 days after receive ur deposits
Package	Through a bundle According to customer’s requirement
Loading port	Tianjin/Xingang

Product Detail

Thickness

Length

Diameter

gi pipe zinc coating

HDG pipe Zinc coating

diameter detail

Different From Other Factories

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We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).
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Port: Our factory is located just 40 kilometers from Xingang port, which is the biggest port in the north of China.
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Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines.

Packing and Transport

Customer Case

Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time. Customer tests adhesive strength between the powder and the surface of the square tube. Customers test powder and square surface adhesion is small. We have meetings with customers to discuss this problem and we do tests all the time. We polished the surface of the square tube. Send the polished square tube to the heating furnace for heating. We tests all the time and discuss with customer all the time. We keep finding ways. After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month.

Customer Photos

The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.

Frequently Asked Questions (FAQ)

What types of steel pipes do you manufacture?

We specialize in Hot Dip Galvanized Steel Pipes and Pre-Galvanized Steel Pipes, available in round shapes with multiple grading options.

What is the range of sizes you offer?

Our pipes feature a wall thickness range of 0.6mm to 20mm and outer diameters ranging from 1/2’’ (21.3mm) to 16’’ (406.4mm). The lengths can be adjusted from 1m up to 14m according to your custom specifications.

What are the zinc coating standards for your galvanized pipes?

The zinc coating thickness ranges from 40 to 220 G/M2 for pre-galvanized steel pipes, and from 220 to 350 G/M2 for hot dip galvanized steel pipes.

What advantages does your factory location offer?

Our manufacturing facility is strategically located just 40 kilometers from Xingang Port (Tianjin), which is the largest port in Northern China, ensuring fast and cost-effective transport.

What is your typical production and delivery timeline?

Standard orders are processed and ready for dispatch in approximately 25 days after we receive your deposit payment.

Can you customize surface treatments for special product requirements?

Yes. As shown in our Australian customer case, we conduct rigorous testing, surface polishing, and heat treatment to resolve adhesion issues and satisfy specific powder coating requirements.