GB/T 22590-2008 Refractory castables for reheating furnaces

GB/T 22590-2021 Refractory castables for rolling mill reheating furnace

YB/T 5200 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 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 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 15545-1995 Unshaped refractory—Packing, marking, transportation and storage GB/T 15545-2020 General rules for packing,marking,transport,storage and quality certificates of unshaped refractory 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 YB/T 2206.2-1998 Test method for thermal shock resistance of castable refractory—Water quenching YB/T 5202.1-2003 Preparation of specimen for unshaped refractories Part 1:Refractory castables YB/T 4130-2005 Refractory materials-Determination of thermal conductivity (Calorimeter) GB/T 6900-2025 Chemical analysis of alumino-silicate refractories YB/T 4130-2026 Abrasion-resistant Materials Thermal Conductivity Test Method (Water Flow Plate Method)