China Hot Dipped Galvanized Round Steel Pipe Manufacturer, Supplier

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China Hot Dipped Galvanized Round Steel Pipe Manufacturer, Supplier

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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--14mAccording 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/M2Hot 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

customer's benefit

What benefits do customers get：

We are factory. (our price will have an advantage over trading companies.)
We will update the price regularly with customers according to the steel market price. Our suggestion is, when prices go down, customers purchase products. Customers can get high quality products at low prices and we can get orders.
Customers can get high quality products and efficient service.

Product detail

Thickness

Length

Diameter

gi pipe zinc coating

HDG pipe Zinc coating

diameter detail

Different from other factories

Delivery Date We discussed the delivery date with the customer.

Prompt Reply After work, we will check the email in time. We will deal with emails from customers in time. Solve problems for customers in time. We provide efficient service.

Port Location Our factory is just 40 kilometers from Xingang port, which is the biggest port in the north of China.

Product Quality No joint pipe and square cut, deburred.

Packing and transport

Customer case

Singapore Case Study

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. Customers are compared with other suppliers. The customer purchased 10 containers in our factory for the first time. Now per month we are still supplying goods to this customer. The customer is satisfied with the quality of our products. Customers to our factory to establish long-term relations of cooperation.

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

What types of steel pipes do you manufacture and what are their dimensions?

We supply both Hot Dip Galvanized Steel Pipes and Pre-Galvanized Steel Pipes. The wall thickness ranges from 0.6mm to 20mm, the outer diameter ranges from 1/2’’ (21.3mm) to 16’’ (406.4mm), and length varies between 1 to 14 meters according to your custom specifications.

What standard and grade materials do your galvanized steel pipes meet?

Our products meet international standards including ASTM, DIN, JIS, and BS. We offer high-quality materials such as Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387, certified under ISO, BV, CE, and SGS testing.

What is the range of zinc coating density for your steel pipes?

For Pre-galvanized steel pipes, the zinc coating density is 40–220 G/M². For Hot dip galvanized steel pipes, the zinc coating density ranges from 220–350 G/M² to ensure superior corrosion resistance.

What are your payment options and standard delivery terms?

Our standard terms are a 30% T/T deposit in advance with the remaining 70% balance settled after B/L copy, or 100% Irrevocable L/C at sight, or 100% Irrevocable L/C within 20–30 days after receiving the B/L copy. Standard delivery takes 25 days post-deposit.

What advantages does your factory location offer for transport?

Our factory is located just 40 kilometers from Tianjin/Xingang Port, the largest shipping port in Northern China, which enables fast, cost-efficient, and secure logistics handling for international shipments.

How does your factory ensure product and service quality?

We ensure deburred, square-cut, and joint-free pipe production. Additionally, we provide prompt replies to client emails during and after business hours to support quick problem-solving, and welcome customer visits for final inspection before delivery.