China Galvanized Square Pipe Q235 / building Factory, Factories

1 / 4

China Galvanized Square Pipe Q235 / building Factory, Factories

Send Inquiry

Product Description

Product Details

Product Name	galvanized square steel tube hollow section
Surface Treatment	galvanized
Standards	GB/T6728-2002, ASTM A500 Gr.A.B.C, JIS G3466, BS1387-1985
Steel Grade	Q195--Q345, S235JR, GR.B-D, STK 500
Delivery Time	Within 15 days after received deposit
Port	Tianjin / Xingang
Terms of Payment	L/C, D/A, D/P, T/T
Package	packed in bundle, suitable for sea transport (by container)

Product Photos

length test

thickness test

diameter test

Frequently Asked Questions

Q What is a galvanized square steel tube hollow section?

It is a welded structural grade steel pipe with a protective zinc coating. The square geometry provides excellent structural integrity, combined with high corrosion resistance due to the galvanization process.

Q Which steel grades and standards are supported?

Our products are manufactured according to global standards including GB/T6728-2002, ASTM A500 Gr.A.B.C, JIS G3466, and BS1387-1985. We offer steel grades such as Q195 to Q345, S235JR, GR.B-D, and STK 500.

Q How do you test the dimensions of the square tubes?

Every batch of square steel tubes undergoes strict quality control inspections, including length tests, thickness tests, and diameter tests to ensure absolute compliance with specified tolerances.

Q What is the typical lead time and shipping port?

Products are generally ready for dispatch within 15 days after we receive the deposit. The primary ports of loading are Tianjin and Xingang ports.

Q What packaging method is used for sea transit?

To prevent damage during transit, the tubes are packed securely in bundles and prepared to be fully suitable for long-distance maritime container shipping.