NF A95-348:1984 Powder metallurgy. Sintered ferrous materials, carburized or carbonitried. Determination of effective case depth by the Vickers microhardness testing method.
1984NF A95-348:1984 Powder metallurgy. Sintered ferrous materials, carburized or carbonitried. Determination of effective case depth by the Vickers microhardness testing method.