Industrial Use’ Rails (IU rails) –
In addition to above ‘Industrial Use’ rails are arising at steel plants, particularly during the inspection of rails as per IRS-T-12/2009 while producing ‘Prime Quality’ rails. There is no deviation in chemical composition or mechanical properties in ‘Industrial Use’ rails form that of ‘Prime Quality’ rails. The deviations exist only in tolerances for parameters as mentioned in IRS-T-12/2009. These rails can be used in industrial sidings with speed restriction of 50 kmph. IU rails shall be identified by blue paint on both sides end face of flange on either side for distance of 500 mm from each end. The letter ‘IU’ (Industrial Use Grade) shall be stamped in 15 mm size on both end faces of rails in addition to colour marking.
In addition to above ‘Industrial Use’ rails are arising at steel plants, particularly during the inspection of rails as per IRS-T-12/2009 while producing ‘Prime Quality’ rails. There is no deviation in chemical composition or mechanical properties in ‘Industrial Use’ rails form that of ‘Prime Quality’ rails. The deviations exist only in tolerances for parameters as mentioned in IRS-T-12/2009. These rails can be used in industrial sidings with speed restriction of 50 kmph. IU rails shall be identified by blue paint on both sides end face of flange on either side for distance of 500 mm from each end. The letter ‘IU’ (Industrial Use Grade) shall be stamped in 15 mm size on both end faces of rails in addition to colour marking.
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