Square Hollow Section Hot DIP Galvanized Steel Tube Square Pipe Q235B for Solar Mounting Structure

• Customization: Available
• Type: Welded
• Technique: ERW
• Material: Q195 / Q235 / Q345 / S235jr / S355jr
• Surface Treatment: Galvanized
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square / Rectangular
• Outer Size: 20X20mm - 200X200mm / 20X40mm - 150X200mm
• Length: 5.8m / 6m / Customized
• Grade: S195 / S235 / S355
• Standard: GB/T 6728, ASTM A500, En 10219, JIS G3466
• Certification: ISO 9001, ISO 14001, BV, SGS
• Processing Service: Bending, Cutting, Welding, Punching
• Application: Construction, Fence, Guardrail, Steel Structure, S
• Delivery Time: 5-10 Days in Stock / 15-30 Days for Bulk Order
• Supply Ability: 700,000 Tons / Year
• Transport Package: in Bundles
• Specification: 80x80, 100x100, 120x60, 150x75
• Trademark: RongXiang
• Origin: Linyi, China
• HS Code: 73166100
• Production Capacity: 700000ton/Year

Product Description

Specification

No.	Product Type	Specification
1	Square Tube	20x20x0.8~1.5
2		25x25x0.8~1.9
3		30x30x0.8~2.0
4		40x40x0.8~2.0
5		50x50x0.9~2.0
6		60x60x0.9~2.0
7		80x80x1.0~2.0
8		100x100x1.0~2.0
9	Rectangular Tube	20x30x0.8~1.8
10		20x40x0.8~2.0
11		25x50x0.8~2.0
12		30x50x0.8~2.0
13		38x58x0.9~2.0
14		40x60x0.8~2.0
15		40x80x0.9~2.0
16		50x100x1.0~2.0

Packing & Delivery

Container Specifications (Internal Dimensions):
 
20ft GP: 5898mm (Length) × 2352mm (Width) × 2393mm (Height)
40ft GP: 12032mm (Length) × 2352mm (Width) × 2393mm (Height)
40ft HC: 12032mm (Length) × 2352mm (Width) × 2698mm (Height)
 
Loading Capacity:
 
20ft container can load 25 tons of coils with length under 5.8m
40ft container can load 25 tons of coils with length under 11.8m
 
Packing Details:
 
Bundled with steel strips
Standard export seaworthy package, suitable for all types of transportation, or as per customer requirements

Company Profile

Linyi Rongxiang Steel Tube Co.ltd.

Founded in 2002, Linyi Rongxiang Steel Pipe Co., Ltd., located in Linyi, Shandong, spans 130 mu with a 68,000 m2 workshop. With RMB 30 million capital, 300+ employees, and RMB 780 million assets, it boasts a 700,000-ton annual capacity and RMB 3 billion output, leading in galvanized pipes in south-central Shandong.
With advanced digital lines for welded pipes and galvanized strips, we offer over 1,400 specs, including φ15mm–φ219mm round pipes, 20mm–200mm square/rectangular pipes, and anti-corrosion sheets. Used in construction, railways, photovoltaics, agriculture, appliances, and automotive with assured quality and durability.
Near Qingdao, Rizhao, Lianyungang ports, we enjoy efficient land, rail, sea transport, low logistics costs, and fast delivery. Our products thrive in domestic markets and export to Asia, Middle East, Africa, Europe, and America, securing a global market presence.
Backed by a skilled tech team and university ties, we hold 17 patents and have municipal-level R&D centers. Comprehensive testing and strict quality control have earned us ISO 9001, ISO 14001, ISO 45001, AAA credit, and contract-abiding honors. We commit to quality and cooperative success, delivering reliable steel and professional services globally.

FAQ

6. FAQ
1) Why choose us?
We maintain large stocks and partnerships with factories for lowest prices. Our rates are competitive and quality assured.
2) Our minimum order quantity:
15 Metric Tons
3) Delivery Time?
Production starts after deposit via T/T or L/C, delivered to port in 25–30 days.
For standard sizes, some stock is available; shipment within 7–10 days post-deposit.
4) What payment methods does your company support?
T/T, 100% L/C at sight.
5) Are samples charged?
Samples are free; freight is your responsibility.
6) Main markets:
Mid East, South America, South Asia, Africa, Southeast Asia, Northern & Western Europe, etc.