Premium Quality Seamless Pipe Hollow Section Tube ERW Welded Black Hot Galvanized Rectangular Carbon Steel Square Tube for Building Material

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Product Description

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Basic Information

Type
Welded
Technique
Hot Rolled
Material
Carbon Steel
Surface Treatment
Black
Section Shape
Square
Product Name
Square/Rectangular Pipe
Technology
Hot Rolled/Cold Rolled/ERW
Grade
Q195/Q215/Q235/Q345/#20/#45
Thickness
0.5-20mm
Size
10*10-600*600mm
Length
3-12m
Production Capacity
20000 Tons Per Month
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Product Description

Carbon Steel Square Tube

Carbon steel square tube application:

Widely used in engineering construction, glass curtain walls, door and window decoration, steel structure, guardrail, machinery manufacturing, automobile manufacturing, home appliance manufacturing, shipbuilding, container manufacturing, electricity, agricultural construction, agricultural greenhouses, bicycle racks, motorcycle racks, shelves, fitness equipment, leisure and tourism products, steel furniture, various specifications of oil casing, oil pipes and pipeline pipes, water, gas, sewage, air, heating and other fluid transportation, fire fighting and brackets, construction industry, etc.

Size Wall Thickness Length Standard
20*20mm~500*500mm 0.7~36mm 3~12M ASTM A500, EN10219, EN10210, JIS3466, AS1163, GB/T6728
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Production Line & Regular Sizes

Production Line
REGULAR SIZE REFERENCE
SIZE (OUTER DIAMETER) WALL THICKNESS LENGTH
20x20 / 25x251.2MM -- 2.75MM6M IN STOCK (OR CUSTOMIZED)
30x30 / 20x40 / 30x401.2MM -- 3.5MM6M IN STOCK
40x40 / 50x50 / 60x601.2MM -- 5.75 MM6M IN STOCK
100x100 / 120x1201.8MM -- 10.0 MM6M IN STOCK
200x200 / 300x3003.5MM -- 15.0 MM6M IN STOCK
400x400 / 500x5004.5MM -- 15.75 MM6M IN STOCK
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Product Testing

Our quality control team attaches great importance to product excellence, utilizing advanced equipment and professional expertise to ensure every pipe meets international standards and customer requirements.

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Packaging & Shipping

Frequently Asked Questions

Can you send samples?
Of course, we can provide customers with free samples and express shipping service to all over the world.
What product information do I need to provide?
Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
How long does your delivery time take?
In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
How many countries have you exported to?
We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, India, and various African countries. Our export experience is rich and we are familiar with different market demands.
Does the product have quality inspection before loading?
Yes, all our products are strictly tested for quality before packaging. Unqualified products are destroyed, and customers can appoint third parties for inspection as well.
Can I visit the factory?
Of course, we welcome customers from all over the world to visit our production facilities.

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