This standard specifies the ordering, manufacturing, product dimensions, test methods, inspection and acceptance rules for large rolling mill frame castings. This standard applies to various types of rolling mill frame castings made of carbon steel.
JB/T 8709-1998 history
2014JB/T 8709-2014 The steel castings for the heavy rolling mill housing.Technical specification
1998JB/T 8709-1998 Steel castings for the large rolling mill housing