GB/T 23293-2009 Nitride bonded refractory products and their mortars

GB/T 23293-2021 Nitride bonded refractory products and their related mortars

GB/T 2997-2000 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products GB/T 2997-2015 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products GB/T 3001-2000 Shaped refractory products—Determination of modulus of rupture at ambient temperature GB/T 3001-2007 Refractory products—Determination of modulus of rupture at ambient temperature GB/T 3001-2017 Refractory products—Determination of modulus of rupture at ambient temperature GB/T 3002-1982 Test method for modulus of rupture of refractory products at elevated temperatures GB/T 3002-2004 Refractory products—Determination of modulus of rupture at elevated temperatures GB/T 3002-2017 Refractory products—Determination of modulus of rupture at elevated temperatures GB/T 5072-2008 Refractories—Determination of cold compressive strength GB/T 5072-2023 Refractory products—Determination of cold compressive strength GB/T 5072.1-1998 Dense, shaped refractory products—Determination of cold compressive strength—Part 1:Referee test without packing GB/T 5072.2-2004 Dense shaped refractory products—Determination of cold compressive strength—Part 2:Test with packing GB/T 5990-2006 Refractory materials—Determination of thermal conductivity—Hot-wire method GB/T 5990-2021 Refractory materials—Determination of thermal conductivity,specific heat capacity and thermal diffusivity(hot-wire method) GB/T 6900-2006 Chemical analysis of alumina-silica refractories GB/T 6900-2016 Chemical analysis of alumina-silica refractories GB/T 6900-2025 Chemical analysis of alumino-silicate refractories GB/T 6900.1-1986 Fireclay and high-alumina refractories—Determination of loss content on ignition—Gravimetric method GB/T 6900.2-1986 Fireclay and high-alumina refractories—Determination of silicon dioxide content—Gravimetric-molybdenum blue photometric method GB/T 6900.3-1986 Fireclay and high-alumina refractories—Determination of iron oxide content—o-Phenanthroline photometric method GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method GB/T 6900.5-1986 Fireclay and high-alumina refractories—Determination of titanium dioxide content—Hydrogen peroxide photometric method GB/T 6900.6-1986 Fireclay and high-alumina refractories—Determination of calcium oxide content—EDTA volumetric method GB/T 6900.7-1986 Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method GB/T 6900.8-1986 Fireclay and high-alumina refractories—Determination of calcium oxide and magnesium oxide content—Atomic absorption spectrophotometric method GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method GB/T 6900.10-1986 Fireclay and high-alumina refractories—Determination of manganese oxide content—Ammonium persulfate photometric method GB/T 6900.11-1986 Fireclay and high-alumina refractories—Determination of phosphorous pentoxide content—Molybdenum blue photometric method GB/T 7321-2004 Sample preparation for testing of shaped refractory products GB/T 7321-2017 Sample preparation for testing of shaped refractory products GB/T 10325-2001 Shaped refractory products—Sampling and acceptance testing GB/T 10325-2012 Shaped refractory products—Rule of acceptance,sampling and inspection GB/T 10326-2001 Refractory products—Inspections of dimension appearance and section GB/T 10326-2016 Shaped refractory products inspections of dimension, appearance and section GB/T 14983-1994 Test method for alkali-resistance of refractories GB/T 14983-2008 Refractory products—Determination of alkali-resistance GB/T 16546-1996 Shaped refractory products—Packing, marking, transportation and storage GB/T 16546-2020 General rules for packing,marking,transport,storage and quality certificates of shaped refractory GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride GB/T 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride GB/T 16555-2025 Chemical analysis of refractories containing carbon,silicon carbide or nitride GB/T 16555.1-1996 Chemical analysis for silicon carbide refractories—Determination of silicon carbide—Absorb gravimetric method GB/T 16555.2-1996 Chemical analysis for silicon carbide refractories—Determination of silicon carbide—Gas volumetric method GB/T 16555.3-1996 Chemical analysis for silicon carbide refractories—Determination of free silicon—Gas volumetric method GB/T 16555.4-1996 Chemical analysis for silicon carbide refractories—Determination of alumina—EDTA gas volumetric method GB/T 16555.5-1996 Chemical analysis for silicon carbide refractories—Determination of ferric oxide—o-phenanthroline photometric method GB/T 16555.6-1996 Chemical analysis for silicon carbide refractories—Determination of silicon dioxide GB/T 17617-1998 Refractory products—Sampling of raw materials and unshaped products GB/T 17617-2018 Rule of sampling and inspection for refractory raw materials GB/T 22459.3-2008 Refractory mortars—Part 3:Determination of joint stability GB/T 22459.3-2021 Refractory mortars—Part 3:Determination of joint stability GB/T 22459.4-2008 Refractory mortars—Part 4:Determination of flexural bonding strength GB/T 22459.4-2022 Refractory mortars—Part 4:Determination of flexural bonding strength GB/T 22459.5-2008 Refractory mortars—Part 5:Determination of grain size distribution(sieve analysis) GB/T 22459.5-2022 Refractory mortars—Part 5:Determination of grain size distribution(sieve analysis) GB/T 22588-2008 Determination of thermal diffusivity or thermal conductivity by the flash method YB/T 5012-2009 The shape and size of refractory bricks used in blast furnaces and hot blast stoves YB/T 5012-1997 The shape and size of brick used in blast furnace and heat-blast furnace