ASTM A283 Seamless Steel Square Tube Supplier

Shape: Square
Thickness: 0.6 - 30 mm
Length: 1 - 12m
Alloy Or Not: Non-alloy
Surface Treatment: Galvanized
Technique: Cold Rolled
Usage: Construction Structure
Minimum Order Quantity: ≥0.5ton
Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Delivery Period: within 15 days from the date of payment by the buyer


Product Description


Widely used in mechanical manufacture, construction field, farm vehicles, agriculture greenhouse, automotive industry, railway, decoration, steel structure, etc.

Why Choose Us:

1. Strict control

We will strictly control raw materials and production processes to ensure that products meet the standards.

2. Rapid production

We have advanced production equipment and abundant production and operation to deliver goods as quickly as possible.

3. Rapid delivery

The factory is close to the port and supports rail and air transportation.

4. Enthusiastic service, first-class after-sales system

We all have 24-hour online answers when you have any questions.

5. Trustworthy

We have many years of foreign trade experience, such as exporting to Korea, Pakistan, Brazil, Russia, India, Vietnam, and other countries.

  • Surface appearance and the use of the possibility of diversification.
  • Good corrosion resistance, durable.
  • High strength and high temperature oxidation.
  • Clean, smooth finish.
  • Good welding performance.
Section Shape Square
Thickness 0.6 - 30 mm
Length 1 - 12m
Surface Treatment Galvanized
Technique Cold Rolled
Alloy Or Not Non-alloy
Usage Construction Structure
Standard ASTM
ASTM A53-2007
Grade Group A53-A369, Q195-Q345, ST35-ST52
A53 (A,B), Q235, St37
Packing In bundle, or customer's request