This standard specifies the method for determining the depth of the effective nitrided layer of marine steel parts. This standard is applicable to the determination of the effective nitriding layer depth after gas nitriding, ion nitriding, and nitrocarburizing (soft nitriding) treatment of marine steel parts.
CB/T 3385-1991 history
2013CB/T 3385-2013 Method of measuring nitrided case depth for iron and steel
1991CB/T 3385-1991 Determination method of nitriding layer depth of iron and steel parts