China Galvanized Building Material Square Tube Manufacturers, Suppliers

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China Galvanized Building Material Square Tube Manufacturers, Suppliers

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Product Description

The product description

Product name	hollow section square tube
Wall Thickness	0.7mm--13mm
Length	1--14m According to customer requirements ...
Outer Diameter	20mm20mm---400mm400
Tolerance	Tolerance based on Thickness: ±5～±8%
Shape	square
Material	Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387......
Surface treatment	Galvanized
Zinc coating	Pre-galvanized square tube: 40--220G/M2; Hot dip galvanized square tube: 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	1. Through a bundle 2. 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 suggest 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

Product photos

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: Our factory is just 40 kilometers from Xingang port, which is the biggest port in the north of China.
The quality of the product: No joint pipe and square cut, deburred.

Product photos

Hot-dipped-Galvanized-Steel-Pipe-Square-Tube

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. 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.

Main products

Frequently Asked Questions

What are the available dimensions for the hollow section square tubes?

Our square tubes are available in outer diameters ranging from 20mm*20mm to 400mm*400mm, with wall thicknesses between 0.7mm and 13mm. Custom lengths from 1 to 14 meters are also supported.

What steel materials and manufacturing standards do you support?

We manufacture using materials ranging from Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387. Our production adheres to ASTM, DIN, JIS, and BS standards with certifications like ISO, BV, CE, and SGS.

What is the difference between pre-galvanized and hot-dip galvanized coating weights?

Pre-galvanized square tubes feature a zinc coating layer of 40 to 220 G/M², while our hot-dip galvanized square tubes offer a thicker coating ranging from 220 to 350 G/M² for enhanced corrosion resistance.

What are the key quality advantages of your steel tubes compared to others?

Our square tubes are manufactured with no joint pipes, are square-cut, and come fully deburred. Additionally, our location is only 40 kilometers from the Xingang port, allowing for efficient shipping.

What are the typical payment and delivery terms?

We require a 30% T/T deposit in advance with the remaining 70% balance due after receiving the B/L copy, or 100% Irrevocable L/C at sight. The standard delivery timeline is within 25 days after deposit confirmation.