China Galvanized Rectangular Steel Tube Q235 Manufacturer, Factory

The Product Description

Product name	hollow section rectangular tube
Wall Thickness	0.7mm--13mm
Length	1--14m According to customer requirements ...
Outer Diameter	20mm10mm---200mm400
Tolerance	Tolerance based on Thickness: ±5～±8%
Shape	rectangular
Material	Q195---Q345,10#,45#,S235JR,GR.B-D,STK500,BS1387......
Surface treatment	Galvanized
Zinc coating	Pre-galvanized rectangular tube: 40--220G/M2 Hot dip galvanized rectangular 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	Through a bundle According to customer’s requirement
Loading port	Tianjin/Xingang

Customer's Benefit

What benefits do customers get:

Direct Factory Price

We are a factory, which means our prices have a distinct advantage over trading companies.

Market-Driven Price Optimization

We regularly update prices based on steel market fluctuations. We suggest purchasing when prices drop to secure high-quality products at the lowest costs.

Premium Quality & Efficient Service

We guarantee high-quality product supply paired with prompt, professional, and efficient service.

Product Detail

Thickness

Length

Diameter

Product photos

Zinc coating

Diameter Detail

Different From Other Factories

Delivery date: We actively coordinate and discuss the optimal delivery dates directly with our customers to meet schedules.
Prompt reply: Even after working hours, we check emails in a timely manner. We promptly solve client problems and provide highly efficient services.
Port Proximity: Our factory is situated just 40 kilometers from Xingang port, the largest port in northern China, optimizing logistics cost and time.
The quality of the product: We feature no joint pipes, precise square cuts, and fully deburred edges.

Product Photos

Customer Case

An inquiry was received from a customer in Singapore who needed steel pipes. After providing our initial quote, the customer comparison with other suppliers led them to believe our price was high. However, after reviewing our specifications, they purchased 10 containers for their initial order. Today, we supply goods to this customer on a monthly basis. They are highly satisfied with our product quality and have 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

What dimensions of rectangular hollow sections do you supply?

We supply rectangular tubes with wall thicknesses from 0.7mm to 13mm, and outer diameters from 20mm*10mm to 200mm*400mm. Customized lengths ranging from 1m to 14m are available upon request.

What steel grades and standards do you comply with?

Our tubes comply with major international standards including ASTM, DIN, JIS, and BS. Available materials include Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387.

What are the advantages of buying directly from your factory?

Buying directly from us ensures competitive factory pricing, bypassing third-party trading markups. We also offer market-linked price advice and hold official certificates like ISO, BV, CE, and SGS to guarantee superior quality.

What zinc coating specifications do you offer for galvanized rectangular tubes?

We offer pre-galvanized rectangular tubes with a zinc coating of 40–220 G/M², and hot-dip galvanized rectangular tubes with a zinc coating range of 220–350 G/M².

What is your typical delivery time and loading port?

Our typical delivery time is 25 days after receiving your deposit. Shipments are loaded at Tianjin/Xingang port, which is conveniently located only 40 kilometers from our factory.

What payment terms do you support?

We accept a 30% T/T deposit in advance, with the remaining 70% balance due upon presentation of the B/L copy. We also accept 100% Irrevocable L/C at sight, or 100% Irrevocable L/C within 20-30 days after receiving the B/L copy.