Steel-N.com Product Development

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1. Product Characteristics


Compressor motor for refrigerator	Air conditioner motor	Refrigerator motor

This product improved the grain by adding boron and enhanced the non-resistance by including A1. Used for motors in electrical appliances, this electrical sheet has low core loss from undergoing the SRA process at the customer's plant.

2.Product Status

Product	Standard	Usage	Avaliable Sizes	Remark
Electrical Steel Sheet	50PNA1650*	- Motor core for home appliances (refrigerators, air conditioners, etc.) - EI core	Thickness: 0.50mm Width: 1000,1100,1200 mm	When heat treated by customer, core loss improves by about 30%

* 0.5mmt, POSCO Non-oriented annealed, Core Loss ≤ 16.5 W/kg

3. Level of Quality

Standard	Specified Core Loss (W/Kg)		Magnetic Induction (Tesla)	Remark
	W15/50	W15/60
50PNA1650	≤ 6.0	≤ 8.0	≥ 1.68	Specified value after the SRA

* SRA (Stress Relief Annealing) : Under the atmosphere of 100% N₂ constant heat of 790°Cx80 min.
* W/Kg (Unit of core loss): Watt/Kg, T (Unit of magnetic induction): Tesla
* W15/50(60): Core loss value at the frequency of 50(60)Hz and the magnetic induction of 1.5 Tesla
* B50: Magnetic induction at the magnetic force of 5000 A/m