... 1.93.2 0.126 scaffolding pipe4011/2''48 1.94.0 0.157 scaffolding frameworkTOLERANCE:a)On specified OD ... as water, oil, gas,…etc.:b)Fabrication of steel manufacture, Greenhouse, Scaffolding tube, Furniture making,Fencing.PLACE OF ORIGINCHINA,TIANJINTARGET ... black pipe(carbon steel welded pipe)& white tube(galvanized steel pipe)-Tianjin Rongxin Steel Co.,ltd.,locating steel basic-Daqiuzhuang Town, ...