IS 6141 : 1971 Specification for Ships Single Sheave Blocks Without Becket
  
      | UDC 621.861.2 : 629.12 |   TED 17 | 
     | 
    | Reaffirmed 2018 | 
  1 Scope  
1.1 This standards specifies the material, general dimensionsand tests for ships single sheave blocks without becket, for safeworking load of 1 to 12 tonnes.  
2 References  
IS 2 :1960 Rules for rounding offnumerical values  
IS 210 : 1962Specification for grey iron castings  
IS 1030 : 1962Specification for steel castings for general engineeringpurposes  
IS 1570 : 1961Schedules for wrought steels for general engineeringpurposes  
IS 1865 : 1968Specification for iron castings with spheroidal ornodular graphite  
IS 2107 : 1962Specification for whiteheart malleable iron castings  
IS 2108 : 1962Specification for blackheart malleable iron castings  
IS 6140 : 1971Specification for ships snatch blocks