สถานที่กำเนิด
Shandong, China
Material
Metal, Q235B, Q235
Size
Customized, 1.5"*1.5", 1.75"*1.75", 2.0"*2.0", 2.25"*2.25"
Length
1.5', 2.5', 3', 4', 8', 10', 12', 14' or customize
Surface
Galvanized, powder coating, or customize
Technique
Welded square tube
Yield strength
60,000 psi minimum
Holes
7/16" holes on 1"centers
Material standard
ASTM standard