Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of square structural tubing in China. Please feel free to buy high quality square structural tubing from our factory. Good service and reasonable price are available.
Square Structural Tubing is an excellent candidate for most processing.
Square Structural Tubing is available in A500 grade B. Steel square tubes have a non-coated, semi-smooth grey finish. Mechanical/structural steel square tubing "wall thickness" has a tolerance of +/- 10%.
Common applications include trailers, frames, shelves, and structural support.
ASTM A500 is the standards specification for cold-formed welded and seamless carbon steel structural tubing in rounds and shapes.
Size Range:20*20mm to 550*550mm
20*30mm to 300*600mm
Thickness:2.0mm to 16mm up to 50mm
Length:1m to 18m
Should you have any inquires,pls feel free to contact with us!
Elva
Mob/Wechat/Whatsapp:008615122519420
Email:elvazhao@lefinsteel.com
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