GB/T 15002-1994 Technical conditions for high saturation magnetic induction soft magnetic alloys GB/T15002-1994 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
High saturation magnetic induction soft magnetic alloys
Technical requirements
High saturation magnetic induction soft magnetic alloystechnical requirements
GB/T 15002—94
Substitute CBn 159—82
GBal 198
GRn 195 --83
GBn 200:88
This standard applies to cold-rolled strips, cold-drawn wires, hot-rolled (forged) raw materials and steel materials of iron-cobalt-vanadium soft magnetic alloys 1 to 22 with high saturation magnetic induction.
1 Dimensions and appearance
1.1 Dimensions
The dimensions and allowable deviations of the alloy materials shall comply with the provisions of Article 1. In case of special requirements for dimensions, the supplier and the buyer shall agree on the requirements. Table 1
Product Type
Cold Rolled Strip
Cold Drawn Wire
Hot Rolled (Yi)
Wind Steel and Bar
1.2 Appearance
Thickness or Diameter
Allowed Inquiry
0.05-~0.09
>0. 09-~0. 19
>0. 19~0. ​​25
>0.25~0.40
>0. 40~0. 70
>0. 70~1. 00
0. 19~~0. 49
>0.49-0.90Www.bzxZ.net
>0. 90~~3, 001
>-3. 00~6. 00
6, 0-~8. 0
>8. 0~-12. 0
>12. 0~ 35. 0
>35. 0~50. 0
>50, 0~80. 0
>80. 0~100, 0
=0, 04
±4, 5
60--120
Not less than
The shape of the alloy material shall comply with the relevant provisions of GB/T15001 General Rules for Dimensions, Shapes, Surface Quality, Test Methods and Inspection Rules for Soft Magnetic Alloys (approved by the State Administration of Technical Supervision on April 4, 1994 and implemented on May 1, 1994).
2 Technical requirements
GB/T 15002-94
2.1 Grade and Chemical Composition
The grade and chemical composition of the alloy shall comply with the provisions of Table 2. When the magnetic properties of the alloy comply with the provisions of Table 3, the chemical composition is allowed to deviate from the range specified in Table 2.
Chemical composition.%
Alloy grade
2.2 Smelting method
The alloy is smelted in a vacuum induction furnace:
2.3 Delivery condition
The alloy is delivered without heat treatment.
2.4 Magnetic properties
Not more than
The properties of the alloy sample after heat treatment shall comply with the provisions of Table 3. If there are special requirements for the magnetic properties of the alloy, the supply and demand parties shall agree. Table 3
Magnetic induction intensity at different magnetic intensity (A/m) Finished product type
Alloy grade
Ring-rolled strip
2.5 Surface quality
Some thorns,
(Rolled) material
Bi Gba
Not less than
The surface quality of the alloy shall comply with the relevant provisions of GB/T15001. 3 Test methods
The test methods of alloys shall be carried out in accordance with the provisions of GB/T15001. 4 Acid detection rules
The inspection rules of alloys shall be carried out in accordance with the provisions of GB/T15001. 5 Packaging, marking and quality certificate
Bk uis
The straightening force
is not greater than
The packaging, marking and quality certificate of finished alloy products shall comply with the relevant provisions of YB/T524293 "General Provisions for Packaging, Marking and Quality Certificates of Precision Alloys",
GB/T 15002—94
Appendix A
Basic physical parameters and typical mechanical properties of alloys (reference parts)
Basic physical parameters and typical mechanical properties of alloys are shown in the following table, Resistivity
Alloy grade
Additional notes:
This standard is proposed by the Metallurgical Industry Ministry's Precision Standard Research Institute. The standard is drafted by Dalian Steel Plant.
This standard's level mark GB\T1502--941 Curie point
Saturated ionization shrinkage
Coefficient+×10-
60~100
Anti-corrosion strength, N/mma
Ling state
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