1 Scope
This standard specifies the dimensions, shape, technical requirements, test methods, inspection rules, packaging, marking and inspection certificate for amorphous & nanocrystalline soft magnetic alloy strip.
This standard is applicable to the amorphous nanocrystalline soft magnetic alloy strip (hereinafter referred to as “strip”) used for producing the iron cores of distribution transformer, medium frequency transformer, high frequency switching power transformer, pulse transformer, mutual inductor, filter inductance and reactor, common-mode inductance, magnetic amplifier and saturated inductance, transducer as well as for magnetic shielding.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 223.3 Methods for chemical analysis of iron, steel and alloy The bi-pyrazoline methane phosphomolybdic acid weighting method for the determination of Phosphorus content
GB/T 223.6 Methods for chemical analysis of iron, steel and alloy The neutralization titration method for the determination of Boron content
GB/T 223.11 Methods for chemical analysis of iron, steel and alloy The ammonium persulfate oxidization volumetric method for the determination of Chromium content
GB/T 223.12 Methods for chemical analysis of iron, steel and alloy The sodium carbonate separation-diphenyl carbazide photometric method for the determination of Chromium content
GB/T 19345-2003 The following standards are cited：
