QWhat is the surface finish of the square tube?

The square tube features a high-durability surface treatment combining galvanization with a premium powder coating, providing excellent corrosion resistance and aesthetics.

QWhat international standards do these square tubes comply with?

They conform to major global standards, including GB/T6728-2002, ASTM A500 Gr.A.B.C, JIS G3466, and BS1387-1985.

QWhich steel grades are available for the powder coating square tubes?

We supply steel grades ranging from Q195 to Q345, S235JR, GR.B-D, and STK 500 to meet various structural requirements.

QWhat is the standard delivery timeframe and shipping port?

Shipments are processed and dispatched within 15 days after receiving the deposit, primarily shipped from Tianjin or Xingang port.

QWhat payment methods do you support for orders?

We support flexible payment options to facilitate trade, including Letter of Credit (L/C), Documents Against Acceptance (D/A), Documents Against Payment (D/P), and Telegraphic Transfer (T/T).

QHow are the square steel tubes packaged for transport?

The products are securely packed in bundles, specifically prepared and optimized for safe containerized sea transport.