GB 1J66 Magnetic materials
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GB 1J66 Chemical Composition
GB/T 14986: 2008 / High saturation magnetic induction, magnetic compensated alloys depending on temperature variation, corrosion-resisting, iron-aluminium, permanent permeability, soft magnetic alloys.
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GB 1J66 Physical Properties
Temperature
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GB 1J66 Heat Treatments
- The first step: Heating to 1200°C, holding 3h, cooling to 600°C with a rate 100°C/h, then cooling to 400°C with a rate not less than 300°C/h; The second step: Tempering at 650°C in the transversal magnetic field in 16 x 104 A/m, holding 1h, cooling to 200°C with a rate 50-100°C/h.
- Step 1:
Heating temperature: 1200°C;
Holding time: 3h;
Cooling method: Cool at a rate of 100°C/h to 600°C, then cool at a rate of not less than 400°C/h to below 300°C, then remove from furnace.
Step 2:
Temper at 650°C in a transverse magnetic field of 1.6 x 104 A/m
Holding time: 1h;
Cooling method: Cool at a rate of 50 - 100°C/h to below 200°C, then remove from furnace.
GB 1J66 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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