IS 6418 : 1971 Cast iron and malleable cast iron flanges for general engineering purposes
  
      | UDC 621.643.412 : 669.13 | MTD 6 | 
    |  | 
    | Reaffirmed 2014 | 
  1 Scope  
1.1 This standard covers cast iron and malleable cast ironflanges for general engineering purposes. The flanges shall beapplicable from 0� to 300�C foroil, water, steam, compressed air, gases and other non-corrosivefluids.  
1.2 The type of gasket and gasket materials are not covered inthe standard and shall be subject to agreement between themanufacturer and the purchaser.  
2 References  
IS 2 :1960Rules for rounding off numerical values  
IS 1367 :1967Technical supply conditions for threadedfasteners  
IS 1387 :1967General requirements for the supply ofmetallurgical materials  
IS 3333 : Part I :1967 Dimensions for petroleum industry pipethreads:Part I Line pipe threads