China 40x40 Weight Ms Square Pipe Supplier, Suppliers

Product Description

Product name	hollow section square tube
Wall Thickness	0.7mm - 13mm
Length	1 - 14m According to customer requirements
Outer Diameter	20mm20mm - 400mm400mm
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 20-30 days
Delivery times	25 days after receive deposits
Package	1. Through a bundle 2. According to customer's requirement
Loading port	Tianjin/Xingang

Customer's Benefit

What benefits do customers get:

Direct Factory Supply: We are a factory, ensuring our price maintains an advantage over trading companies.

Regular Price Updates: We update pricing regularly in line with market trends. We suggest customers purchase when prices decline to secure high-quality products at optimal rates.

Premium Service: Customers receive outstanding product quality paired with highly efficient support.

Product Detail

Thickness

Length

Diameter

Product photos

Zinc coating

diameter detail

Different from other factories

Delivery date: We fully discuss and agree upon realistic delivery dates with our customers to ensure punctuality.
Prompt reply: After working hours, we consistently check emails and deal with customer queries in a timely manner. We provide an efficient, round-the-clock approach to customer support.
Port Logistics: The factory is located just 40 kilometers from Xingang port, the largest port in Northern China, saving transport time and logistics costs.
Product Quality: Features clean joints, square cuts, and fully deburred edges for clean handling and usage.

Product Photos

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

Customer Case

An inquiry was received from a customer in Singapore looking for high-quality steel pipes. Initially, the customer noted that our quote was higher compared to other suppliers in the market. However, after evaluating our material grade and quality standards, the customer decided to place an initial trial order of 10 containers. To date, we continue to supply this customer on a monthly basis, maintaining a stable and successful long-term partnership built on mutual trust.

The customer purchased steel pipes from our factory. After production was completed, the customer visited our factory premises in person to conduct final inspections.

Main Products

Frequently Asked Questions

What is the thickness range available for the hollow section square tubes?

The wall thickness of our square tubes ranges from 0.7mm to 13mm to accommodate various industrial and structural needs.

What steel materials and grades do you support?

We supply products using a broad selection of steel grades, including Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387.

Can you customize the length of the square tubes?

Yes, we can customize the lengths from 1m up to 14m, depending on the client’s exact specifications.

What type of zinc coatings and surface treatments do you offer?

We offer galvanized surface treatments, featuring pre-galvanized options (40 - 220G/M²) and hot-dip galvanized options (220 - 350G/M²).

Which standards and certifications do your steel products meet?

Our square tubes conform to global standards including ASTM, DIN, JIS, and BS, and are backed by ISO, BV, CE, and SGS certifications.

What are your typical payment terms and delivery timelines?

Our standard delivery time is 25 days following the receipt of your deposit. Payment terms require a 30% T/T deposit in advance and the remaining 70% balance post B/L copy, or 100% Irrevocable L/C.