https://alephindia.in/isi-product/heat-resisting-steel-is-9516-1980.php
BIS CERTIFICATION FOR HEAT RESISTING STEEL IS 9516:1980
BIS Certificate is Mandatory to Manufacture or Import Heat Resisting Steel Under IS 9516:1980, Check the Complete Procedure to Get BIS Certification by Aleph...
heat resisting steelbis certification