GB/T 2988-2012 High alumina bricks

GB/T 2988-2004 High alumina brick

GB/T 2988-2023 High alumina bricks

YB/T 5018 GB/T 2992.1-2011 Dimensions of refractory bricks— Part 1:Specification for general bricks 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 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 5073-2005 Refractory products—Test method of creep in compression GB/T 5073-2022 Refractory products—Determination of creep in compression GB/T 5988-2004 Dense shaped refractory products—Determination of permanent changs in dimension on heating GB/T 5988-2007 Refractory products—Determination of permanent change in dimension on heating GB/T 5988-2022 Refractory products—Determination of permanent change in dimensions on heating GB/T 6900-2006 Chemical analysis of alumina-silica refractories GB/T 6900-2016 Chemical analysis of alumina-silica 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 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 20511-2006 Refractory products—Rules of model YB/T 370-1995 Test method for refractoriness under load of refractory products(non-differential,with rising temperature) YB/T 376.1-1995 Test method for thermal shock resistance of refractory products(Water quenching) YB/T 2217-1999 Dimensions of dome bricks for electric arc furnace roofs YB/T 370-2016 The method of testing the weight-bearing softening temperature of refractory materials (non-differential-temperature-rise method) YB/T 2217-2018 YB/T 2217-2018 Ball-top Fire Brick Shape and Size YB/T 4198-2009 The shape and size of refractory bricks used in steel-baths 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 GB/T 6900-2025 Chemical analysis of alumino-silicate refractories YB/T 4198-2025 The shape and size of refractory bricks used in steel-baths