China Erw Steel Pipe Rectangular Tube Sizes Supplier, Factory

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China Erw Steel Pipe Rectangular Tube Sizes Supplier, Factory

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Product Description

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

What benefits do customers get

We are factory: Our price will have an advantage over trading companies.
Regular Price Updates: 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.
Premium Service: 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, and provide efficient service.
Port Proximity: Our factory is just 40 kilometers from Xingang port.
Product Quality: No joint pipe, square cut, and fully deburred.

Product Photos

Customer Case

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 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 (FAQ)

Q1: What dimensions and wall thicknesses do you supply for rectangular tubes?

A: We offer outer diameters ranging from 20mm*10mm to 200mm*400mm, with wall thicknesses spanning from 0.7mm to 13mm. Custom lengths from 1 to 14 meters are also supported.

Q2: What steel grades and manufacturing standards do you use?

A: Our rectangular tubes are manufactured using materials such as Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387. They comply with major international standards including ASTM, DIN, JIS, and BS.

Q3: What are the zinc coating standards for your galvanized products?

A: For pre-galvanized rectangular tubes, the zinc coating is 40–220 G/M². For hot-dip galvanized rectangular tubes, the zinc coating ranges from 220 to 350 G/M².

Q4: What payment methods and delivery times do you support?

A: We accept a 30% T/T deposit in advance with the 70% balance due after receiving the B/L copy, or 100% irrevocable L/C at sight / after receiving B/L copy (20–30 days). Standard delivery is within 25 days of receiving the deposit.

Q5: How do you guarantee product quality and finishing?

A: Our pipes feature zero joint pipes, square cut ends, and are fully deburred. Additionally, we are ISO, BV, CE, and SGS certified to ensure high-quality standards.

Q6: Where is your factory located relative to shipping ports?

A: Our factory is located just 40 kilometers from Xingang port, allowing for fast, efficient transport and delivery.