| 11. | SURFACE & INTERNAL QUALITY | The billets will be free from surface imperfections which impair the product quality such as longitudinal cracks, transverse cracks, Deep ripple mark, scab & thick scale, slag patches, surface blow holes & Internal quality should be free from harmful defects such as subsurface pinholes, blow hole, pipes, voids, and internal crack. As Qatar Steel have open casting process, chances of minor surface pinholes is there and it will not impair the product quality. | |