China Q235B Hot Dipped Galvanized Round Steel Pipe price Factory, Factories

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China Q235B Hot Dipped Galvanized Round Steel Pipe price Factory, Factories

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Product Description

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	25days after receive ur deposits
Package	Through a bundle According to customer’s requirement
Loading port	Tianjin/Xingang

What benefits do customers get

Factory-Direct Advantage

We are a factory. Our price will have a distinct competitive advantage over trading companies.

Regular Price Updates

We update prices regularly according to the steel market. We suggest purchasing when prices go down to get high-quality products at low prices.

Premium Service

Customers can reliably expect high-quality steel products paired with highly efficient service.

Product Detail

Thickness

Length

Diameter

gi pipe zinc coating

HDG pipe Zinc coating

Diameter Detail

Different From Other Factories

Delivery Date

We proactively discuss and coordinate the precise delivery date with the customer to ensure alignment.

Prompt Reply

We promptly check and handle customer emails even after working hours to solve problems efficiently.

Port Location

Our factory is located just 40 kilometers from Xingang port, the largest port in the north of China.

The Quality of the Product

Finished with no joint pipe, square cuts, and cleanly deburred edges.

Packing and Transport

Customer Case

An inquiry has been received from a customer in Singapore. The customer needs steel pipes. After we give the price to the customer, the customer says our price is high compared with other suppliers. However, the customer purchased 10 containers in our factory for the first time. Now, we are still supplying goods to this customer every month. The customer is highly satisfied with the quality of our products and has established a long-term cooperative relationship with our factory.

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)

Q1: What is the main difference between pre-galvanized and hot dip galvanized steel pipes?

A1: The main difference lies in the thickness of the zinc coating. Pre-galvanized steel pipes have a zinc coating of 40–220G/M2, whereas hot dip galvanized steel pipes feature a thicker coating of 220–350G/M2 for enhanced corrosion resistance.

Q2: What dimensional parameters and tolerances do you offer?

A2: We offer wall thicknesses from 0.6mm to 20mm, outer diameters ranging from 1/2’’ (21.3mm) to 16’’ (406.4mm), and customizable lengths from 1 to 14m. The wall thickness tolerance is typically within ±5% to ±8%.

Q3: Which materials and international standards do your pipes conform to?

A3: Our pipes are manufactured using materials ranging from Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387. They meet ASTM, DIN, JIS, and BS standards.

Q4: What testing certificates support the quality of your pipes?

A4: All our products are verified and hold industry certifications including ISO, BV, CE, and SGS, ensuring top international quality compliance.

Q5: What are your shipping ports and typical delivery timeline?

A5: We load shipments from the Tianjin/Xingang port. The general delivery time is 25 days after receiving your initial deposit.

Q6: What are your standard payment and packaging methods?

A6: We accept a 30% T/T deposit in advance with the remaining 70% balanced against the B/L copy, or 100% Irrevocable L/C. Pipes are securely packaged either in bundles or customized according to specific customer requirements.