GB/t 223.69-1997

GB/t 223.69-1997, Total:2 items.

The international standard classification for "GB/t 223.69-1997" includes: .

The Chinese standard classification for "GB/t 223.69-1997" includes: Steel and iron alloy analysis method .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 223.69-1997 Methods for chemical analysis of iron,steel and alloy The gas- volumetric method after combustion in the pipe furnace for the determination of carbon content
GB/T 223.69-2008 Iron, Steel and Alloy-Determination of Carbon Contents- Gas-volumetric Method after Combustion in the Pipe Furnace