GB/T 5683-2024 Ferrochromium

GB/T 5683-2008 Ferrochromium

GB/T 3650-1995 The general rules for inspection、 packing、storing transportation、marking and certification of ferroalloy GB/T 3650-2008 The general rules for inspection,packing,storing,transportation,marking and certification of ferroalloy GB/T 4010-1994 Ferroalloys—Sampling and preparation of samples for chemical analysis GB/T 4010-2015 Ferroallys sampling and preparation of samples for chemical analysis GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium—Determination of chromium content—The ammonium persulfate oxidation titrimetric method and potentiometric titration method GB/T 4699.3-2007 Ferrochromium, silicochromium and nitrogen-bearing ferrochromium—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method GB/T 4699.4-1988 Methods for chemical analysis of silicochromium—The infrared absorption method for the determination of carbon content GB/T 4699.4-2008 Ferrochromium and silicochromium—Determination of carbon content—Infrared absorption method and gravimetric method GB/T 4699.6-1988 Methods for chemical analysis of silicochromium—The infrared absorption method for the determination of sulfur content GB/T 4699.6-2008 Ferrochromium and silicochromium—Determination of sulfur content—The infrared absorption method and the combustion-titration method GB/T 5687.2-1985 Methods for chemical analysis of ferrochromium—The gravimetric method for the determination of silicon content GB/T 5687.2-2007 Ferrochromium,silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric method GB/T 5687.11-2006 Ferrochromium—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 5687.12-2020 Ferrochromium—Determination of phosphorus,aluminum,titanium,copper,manganese,calcium content—Inductively coupled plasma atomic emission spectrometric method GB/T 5687.13-2021 Ferrochromium—Determination of chromium,silicon,manganese,titanium,vanadium,iron contents—Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method) GB/T 13247-1991 Ferroalloys—Sampling and testing methods for determination of grain size GB/T 13247-2019 Methods for sampling and testing the grain size of ferroalloys products GB/T 4699.2-2025 Ferrochromium,silicochromium,nitrogen-bearing ferrochromium and high nitrogen ferrochromium—Determination of chromium content—Ammonium persulfate oxidation titrimetric method and potentiometric titration method

ISO 5448:1981