GI Pipe Steel properties 235MPa yield strength min. 99% zinc galvanised pipe Widely application ... the axis of the tube and free from excessive burrs.PROPERTIES:a)Chemical (Maximum) C - 0.20%, Si - 0.03%, MN ... transportation, such as water, oil, gas,…etc.:b)Fabrication of steel manufacture, Greenhouse, Scaffolding tube, Furniture making,Fencing.PLACE OF ORIGINCHINA ...