Fine Alloy Castings Pvt. Ltd. Offers Heat Resistant Steel. Fine Alloy Castings Pvt. Ltd. Is a group company of Fine Group of Companies and has received an ISO 9001:2000 certification. The range of Heat Resistant Steel is from 10 kgs to 1000 kgs Single Piece Castings. Heat Resistant Steel is used for Machine Tools, Cement Industry, Thermal Power Plants, Crushing & Mining Industry, Pumps & Valve Industry, Machinery Manufactures, and General Engineering.