GB/T 14986.5-2018 Soft magnetic alloys - Part 5: Iron-aluminum alloys
1 Scope
This part of GB/T 14986 specifies the terms and definitions, classification, order contents, dimension, shape and technical requirements, inspection rules, test methods, packaging, marking and quality certification of soft magnetic iron-aluminum alloy products.
This part is applicable to of cold-rolled strips, moderate-temperature-rolled strips, hot-rolled (forged) bars and turnery bars or ground bars made of soft magnetic iron-aluminum alloys (hereinafter referred to as "alloy products").
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
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 223.59 Iron, steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method
GB/T 223.64 Iron steel and alloyed - Determination of manganese content - Flame atomic absorption spectrometric method
GB/T 223.79 Iron and steel - Determination of multi-element contents - X-ray fluorescence spectrometry (Routine method)
GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace
GB/T 223.86 Steel, iron and alloy - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: method
GB/T 6146 Test method for resistivity of precision resistance alloys
GB/T 14986.1-2018 Soft magnetic alloys - Part 1: General requirements
GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition
GB/T 20123 Steel and iron - Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 14986.1-2018 apply.
4 Classification
Iron-aluminum alloys are sub-classified into the following four categories according to their main characteristics:
a) 1J6 iron-aluminum alloys with higher saturation magnetic induction intensity;
b) 1J12 iron-aluminum alloys with higher saturation magnetic induction intensity, higher permeability and lower remanent magnetic induction intensity;
c) 1J13 iron-aluminum alloys with higher saturation magnetostriction coefficient;
d) 1J16 iron-aluminum alloys with higher permeability and high resistivity.
5 Order contents
Order contracts made based on this part shall cover the following items:
a) No. of this part;
b) Alloy designations;
c) Product categories;
d) Dimensions and precision groups (see Clause 6);
e) Weight (or quantity);
