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
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
Direct Factory: We are a factory, meaning our prices hold a distinct advantage over trading companies.
Market-Aligned Pricing: We regularly update our pricing in alignment with the steel market trends. We suggest customers purchase when prices are down, enabling them to secure high-quality products at lower costs.
Delivery Date: We align closely with customer requirements to establish agreed-upon delivery timelines.
Prompt Reply: We check emails promptly, even after regular working hours, resolving client inquiries and providing responsive support quickly.
Port Logistics: The production base sits only 40 kilometers away from Xingang port, the largest port in Northern China.
Product Quality: Features clean joints, square cuts, and fully deburred edges.
Product Photos
Customer Case
An inquiry was received from a customer in Singapore looking for high-quality steel pipes. After analyzing our quotation, they initially compared it with other suppliers and noted the pricing differences. However, due to the structural standards, the customer chose to place an initial order of 10 containers. To this day, we maintain monthly shipments to this client, who remains highly satisfied with our product consistency, establishing a long-term cooperative relationship.
Customer Photos
The customer purchased steel pipes. After production, the customer visited for an on-site product inspection.
Main Products
Frequently Asked Questions (FAQ)
What sizes and wall thicknesses do you provide for the square tubes?
We offer outer diameters ranging from 20mm*20mm up to 400mm*400mm, with wall thicknesses between 0.7mm and 13mm. Custom lengths from 1m to 14m are available upon request.
What steel standards and materials are used in manufacturing?
Our square tubes are manufactured using steel grades such as Q195 to Q345, 10#, 45#, S235JR, GR.B-D, STK500, and BS1387. They comply with ASTM, DIN, JIS, and BS international standards.
What options are available for the galvanized coating?
We supply pre-galvanized square tubes with a coating weight of 40–220 G/M², as well as hot-dip galvanized square tubes with a coating weight of 220–350 G/M² for stronger corrosion resistance.
How do you manage quality control and inspection?
Our hollow sections feature joint-free structures, precise square cuts, and deburred edges. All processes are certified by ISO, BV, CE, and SGS, and we welcome customer visits for on-site inspections.
What is your typical order delivery time?
Standard delivery takes approximately 25 days after the receipt of your advance deposit. We ship out of Tianjin/Xingang, which is the largest port in Northern China.
Minjie Steel
