square steel tube standards ASTM, DIN, EN, BS, JIS, UL, galvanized, painted rectangular, square certificate:CE, ISO9001

square steel tube, rectangular or square, according to standards ASTM A53, ASTM A106, ASTM A795, ASTM A135, ASTM A500, EN10219, EN10255, EN10240, EN39(BS1139), DIN2440/DIN2444, JIS G3444, BS1387, DIN2394, DIN2395,  or similar standards. According to buyer's request is available. SIZE: 16mm-300mm, Wall thickness:0.8mm---20mm.

 

PURPOSE: fence tube, structural tube, scaffolding tube, furniture tube and so on

CERTIFICATE: ISO9001, UL, FM, CE

square steel tube