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See Chinese contents: GB/T 223.74-1997 GB/T 223.74-1997: Methods for chemical analysis of iron, steel and alloy - The combustion gravimetric/gas-volumetric method for the determination of non-combined carbon content
This standard specifies the determination of non-combined carbon content, using the post-combustion gravimetric method in a pipe furnace or the post-combustion gas volume method in a pipe furnace. This standard is applicable to the determination of 0.030% (m/m) ~ 5.00% (m/m) non-combined carbon content in iron and carbon steel.
