If you ask a quote for simple magnets only, it's enough for you to supply following information:
. Material and grade, or detailed magnetic properties including Br, Hcb, Hcj and (BH)max
. Reversible temperature coefficients, α(Br) and β(Hcj) for magnets, if possible
. Shape, dimension and tolerances
. Detailed drawing needed for complicated magnets
. Details on surface treatment
. Direction of orientation
. Supplied magnetized or unmagnetized
. Quantity
If you ask a magnetic applications question exactly, you may be required to supply following information more:
. Magnetic flux specification
. Application for magnets
. Environment where magnets are used such as corrosion degree, temperature, magnetic fields, etc
. Any other specifications & information
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