High saturation magnetic induction magnetic compensate alloys depending on temperature variation corrosion-resisting iron-aluminium Permanent permeability soft magneticalloys
High saturation magnetic induction, magnetic compensate alloys depending on temperature variation, corrosion-resisting, iron-aluminium, permanent permeability, soft magnetic alloys
1 Scope
This standard specifies the classifications and codes, order contents, dimensions, shapes, weights and permissible deviations, technical requirements, surface quality, test methods, inspection rules, and packaging, marking and quality certificates of soft magnetic alloys including 1J22, 1J30, 1J31, 1J32, 1J33, 1J38, 1J36, 1J116, 1J117, 1J6, 1J12, 1J13, 1J16 and 1J66.
It is applicable to cold-rolled strips, cold-drawn wires, hot-rolled (forged) flats, bars and bright materials of 1J22 high saturation magnetic induction iron-cobalt-vanadium soft magnetic alloys; 1J30, 1J31, 1J32, 1J33 and 1J38 magnetic compensate alloy cold-rolled strips and bars for magnetic shunt compensation; hot-rolled (forged) bars of 1J36, 1J116 and 1J117 corrosion-resisting soft magnetic alloys and cold-rolled strips of 1J116 corrosion-resisting soft magnetic alloys; cold-rolled strips and hot-rolled (forged) bars of 1J6 iron-aluminium soft magnetic alloys; warm-rolled strips of 1J12, 1J13, 1J16 iron-aluminium soft magnetic alloys; permanent permeability alloy cold-rolled strips of 1J66 with constant permeability in a wide range of magnetic field, temperature and frequency.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition applies.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.8 Methods for chemical analysis of iron, steel and alloy - The sodium fluoride separation - EDTA titration method for the determination of aluminium content
GB/T 223.9 Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
GB/T 223.11 Methods for chemical analysis of iron, steel and alloy - The ammonium persulfate oxidation volumetric method for the determination of chromium content
GB/T 223.13 Methods for chemical analysis of iron, steel and alloy - The ammonium ferrous sulfate titration method for the determination of vanadium content
GB/T 223.17 Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane photometric method for the determination of titanium content
GB/T 223.19 Methods for chemical analysis of iron, steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper content
GB/T 223.20 Methods for chemical analysis of iron, steel and alloy - The potentiometric titration method for the determination of cobalt content
GB/T 223.23 Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 223.25 Methods for chemical analysis of iron, steel and alloy - The dimethylglyoxime gravimetric method for the determination of nickel content
GB/T 223.53 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 223.59 Iron steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method
GB/T 223.60 Methods for chemical analysis of iron, steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.67 Iron, steel and alloy - Determination of sulfur content - Methylene blue spectrophotometric method
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
GB/T 223.69 Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace
GB/T 226 Test method for macrostructure and defect of steel by etching
GB/T 1979 Standard diagrams for macrostructure and defect of structural steels
GB/T 3657 Measurement method of direct magnetic properties of soft magnetic alloys
GB/T 3658 Measurement method for magnetically soft alloy AC magnetic property
GB/T 15711 Steel Products - Method for etch test of tower sample
GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition (GB/T 20066-2006, ISO 14284: 1996, IDT)
GB/T 20123 Steel and iron - Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method)
YB/T 5242 General rules of packaging, marking and quality certification for precision alloys
3 Classifications and codes
According to the delivery state, alloys may be divided into:
a) Cold-processing: hard state H, soft state S;
b) Hot-processing: hot rolling WHR, hot forging WHF.
4 Order contents
Contracts or orders under this standard shall include the following items:
Foreword i
1 Scope
2 Normative references
3 Classifications and codes
4 Order contents
5 Dimension, shape, weight and permissible tolerance
6 Technical requirements
7 Surface quality
8 Test methods
9 Inspection rules
10 Packaging, marking and quality certification
Annex A (Informative) Recommended heat treating system for samples
Annex B (Informative) Basic physical parameters and typical mechanical properties of alloys
