GB/T 223.71-1997 Methods for chemical analysis of iron, steel and alloy. The gravimetric method after combustion in the pipe furnace for the determination of carbon content (English Version)
This standard stipulates the determination of carbon content by the gravimetric method after combustion in a tube furnace. This standard applies to the determination of 0.10% (m/m) to 5.00% (m/m) carbon content in iron, steel, superalloys and precision alloys.
GB/T 223.71-1997 history
1997GB/T 223.71-1997 Methods for chemical analysis of iron, steel and alloy. The gravimetric method after combustion in the pipe furnace for the determination of carbon content
1991GB/T 223.71-1991 Methods for chemical analysis of iron,steel and alloy--The combustion gravimetric method for the determination of carbon content