GB/T 14667.1-1993 Powder metallurgy iron base structural materials—Part 1 Sintering iron, sintering carbon-steel, sintering copper-steel, sintering copper-modenim-steel

GB 223.1 GB 5957 GB/T 223.7-2002 Iron powder—Determination of iron content—Potassium dichromate titration method GB/T 4309-1984 Classification and designation for powder metallurgy materials GB/T 4309-2009 Classification and designation for powder metallurgy materials GB/T 5163-2006 Sintered metal materials, excluding hardmetals—Permeable sintered metal materials—Determination of density, oil content, and open porosity GB/T 5318-1985 Sintered metals materials, excluding hardmetals—Unnotched impact test piece GB/T 5318-2017 Sintered metal materials(excluding hardmetals)without notch impact test piece GB/T 7963-1987 Sintered metal materials (excluding hardmetal)—Tensile test pieces GB/T 7963-2015 Sintered metal materials,excluding hardmetals—Tensile test pieces GB/T 7964-1987 Sintered metal materials (excluding hardmetal)—Tension testing at room temperature GB/T 7964-2020 Sintered metal materials(excluding hardmetal)—Tension testing at room temperature GB/T 9096-2002 Sintered metal materials,excluding hardmetals—Impact test method GB/T 9097.1-2002 Sintered metal materials,excluding hardmetals—Determination of apparent hardness Part 1:Materials of essentially uniform section hardness GB/T 9096-2025 Sintered metal materials,excluding hardmetals—Charpy impact test method