Indian Standard : schedules for wrought steels - part 4 alloy steels ( alloy constructional and spring steels) with specified chemical composition and related mechanical properties  stainless and heat-resisting steels 

 - New Delhi  Bureau of Indian Standards  1990 
<br/><br/> IS : 1570 (part 4) - 1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flow of liquids -- Closed conduits -- Indian standards<br/>Indian Standards