STANDARD OF CHROME ALLOYED GRINDING BALLS IN BUILDING MATERIALS INDUSTRY(2)
1.Scope
This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of cast chromium alloy grinding balls for the building materials industry.
This standard is applicable to chromium alloy cast grinding balls (hereinafter referred to as cast balls) used in building materials industry, and other cast balls used in industry can also be referred to.
2.Normative Reference Documents
The terms in the following documents become the terms of this standard by reference. All subsequent amendments (excluding errata) or revisions to dated references shall not apply to this standard. However, parties that reach agreement under this standard are encouraged to explore the possibility of using the latest versions of these documents.
The latest edition of any undated reference document shall be applicable to this standard.
GB/T 223.1-1981 Determination of carbon content in steel iron and alloy
GB/T 223.2-1981 Determination of sulfur content in steel iron and alloy
GB/T 223.3 Methods for chemical analysis of steel iron and alloy, the diantipyrylmethane-scale aluminous acid gravimetric method for the determination of phosphorus content (NEQ ASTM E30-80)
GB/T 223.4-1988 Methods for chemical analysis of steel iron and alloy
Determination of manganese content by ammonium nitrate oxidation volumetric method
GB/T 223.11-1991 Methods for chemical analysis of steel iron and alloy
Determination of chromium content by ammonium persulfate oxidation volumetric method
GB/T 223.14-2000 Methods for chemical analysis of steel iron and alloy
Extraction spectrophotometric determination of vanadium with tantalum reagent
GB/T 223.16-1991 Methods for chemical analysis of steel iron and alloy
Spectrophotometric determination of titanium with chromotropic acid
GB/T 223.18-1994 Methods for chemical analysis of steel iron and alloy
Sodium thiosulfate Separation-iodometric determination of copper content
GB/T 223.26-1989 Methods for chemical analysis of steel iron and alloy
Direct spectrophotometric determination of Molybdenum with sulfohydrogen salt
GB/T 223.60-1997 Methods for chemical analysis of steel iron and alloy
Determination of silicon content by perchloric acid dehydration gravimetric method
GB/T 223.63-1988 Methods for chemical analysis of steel iron and alloy
Spectrophotometric determination of manganese with sodium periodate (potassium)(NEQ ASTM E350-85)
GB/T 226 Macrostructure and defective acid of steel(NEQ ASTM E350-85)
GB/T 230 Metal Rockwell Hardness Test(NEQ ISO 8062:1994)
GB/T 2828-1987 Batch-by-batch sampling procedures and sampling tables (for inspection of consecutive batches)
GB/T 5611 Casting Term
GB/T 5678-1985 Casting alloy spectral analysis sampling method
GB/T 6414-1999 Casting Workpiece Dimensional tolerances and machining allowances (EQV ISO 8062:1994)
GB/T 17445-1998 Casting grinding balls
JC 334.1-1994 Pipe mill for cement industry