China Hot Selling for China Square Tubes S355jr Rectangular Steel Tube ERW Indented Galvanized Pipes Factory, Factories

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China Hot Selling for China Square Tubes S355jr Rectangular Steel Tube ERW Indented Galvanized Pipes Factory, Factories

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Product Description

We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Hot Selling for China Square Tubes S355jr Rectangular Steel Tube ERW Indented Galvanized Pipes. We value your inquiry. For more details, please get hold of us, we'll reply you ASAP!

We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for China Tubes Square, Rectangular Steel Tube. Our company sticks to the principle of "high quality, reasonable price and timely delivery". We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. We hope to work with you and serve you with our excellent merchandise and services. Welcome to join us!

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%; According to customer's request
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;
Delivery times	25 days after receive ur deposits
Package	1. Through a bundle 2. According to customer’s requirement
Loading port	Tianjin/Xingang

What Benefits Do Customers Get?

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Direct Factory Advantage

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

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Regular Price Updates

We will update the price regularly with customers according to the steel market price.

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High Quality & Efficient Service

Customers can get high quality products and efficient service.

Product Details

Thickness

Length

Diameter

Product Photos

Zinc Coating

Diameter Detail

Why We Stand Out From Other Factories

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Flexible Delivery Dates

We proactively discuss and arrange the delivery date with our customers.

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Prompt Replies & Efficient Support

After work hours, we check emails in a timely manner. We deal with and solve customer queries efficiently.

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Strategic Port Proximity

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

Product Photos

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

Customer Case Study

Successful Partnership in Singapore

An inquiry has been received from a customer in Singapore. The customer needs steel pipes. After we gave the price to the customer, the customer said our price was high. Customers compared us with other suppliers. Despite this, the customer purchased 10 containers from our factory for the first time. Today, we continue to supply goods to this customer every month. The customer is highly satisfied with the quality of our products and has established a long-term relations of cooperation with our factory.

Customer Inspection

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 (FAQ)

Q1: What are the main applications of S355jr Rectangular Steel Tubes?

A1: S355jr Rectangular Steel Tubes are highly versatile and widely used in structural frames, infrastructure projects, machinery manufacturing, and engineering purposes due to their excellent tensile strength and load-bearing capabilities.

Q2: What is the differences between pre-galvanized and hot-dip galvanized square tubes?

A2: Pre-galvanized square tubes feature a thinner zinc coating (40–220G/M²) and are best for indoor or moderately exposed applications. Hot-dip galvanized tubes have a thicker coating (220–350G/M²), providing superior protection for harsh outdoor environments.

Q3: Do you support custom lengths and dimensions?

A3: Yes. While standard outer diameters range from 20mm*20mm to 400mm*400mm and lengths from 1 to 14 meters, customized sizes and wall thicknesses (0.7mm to 13mm) can be negotiated according to customer requirements.

Q4: What international quality standards do your products meet?

A4: All our hollow section square tubes and galvanized pipes comply with global standards including ASTM, DIN, JIS, and BS. We hold certifications from ISO, BV, CE, and SGS to guarantee product compliance.

Q5: What are your payment terms and average delivery times?

A5: We accept 30% T/T deposit in advance, with the remaining 70% balance paid after receipt of the B/L copy. Standard orders are ready for shipment 25 days after receiving the deposit.

Q6: Can customers inspect products before shipping?

A6: Yes, we welcome on-site factory visits and inspections by customers or designated third-party agencies to review product specifications and quality standards prior to dispatch.