35W470 Non-Oriented Electrical Steel

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Non oriented electrical steel is a silicon iron soft magnetic alloy with very low carbon content, and is an indispensable and important material in power, electronics, and military industries. With the development of high-speed and miniaturization of motors, higher requirements have been put forward for the performance of non oriented silicon steel, such as low iron loss and high magnetic induction strength at high frequencies.

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Product Details

35W470 steel is a type of cold-rolled, non-oriented electrical steel (silicon steel), commonly used in the cores of electric motors, transformers, and other electromagnetic devices, particularly in new energy vehicles (NEVs) for drive motors, valued for its magnetic properties like low core loss (the ‘470’ often indicates power loss in Watts per kg) and good magnetic permeability, making it suitable for high-efficiency applications.

Product parameters

Grade	Tensile Strength (N/mm²)	Yield Strength (N/mm²)	Elongation (%)	Hardness (Hv0.5)
50W1300	300-400	200-300	35-42	100-125
50W800	325-425	230-320	32-39	105-130
50W600	345-445	230-320	30-37	115-140
50W470	385-485	250-350	25-35	140-165
35W440	385-485	250-350	25-35	140-165
35W300	420-520	270-370	25-35	150-190
35WS250	440-540	280-380	25-35	150-185
30W230	450-550	280-380	15-25	180-220

Grade	Nominal Thickness (mm)	Theoretical Density (kg/dm³)	Core Loss P1.5/50 (W/kg)		Magnetic Induction B50 (T)		Lamination Factor (%)
Grade	Nominal Thickness (mm)	Theoretical Density (kg/dm³)	Guaranteed Value	Typical Value	Guaranteed Value	Typical Value	Lamination Factor (%)
50W1300	0.5	7.85	≤6.10	5.80-6.00	≥1.74	1.75	≥97
50W800	0.5	7.8	≤5.30	4.70-5.00	≥1.72	1.74
50W600	0.5	7.75	≤4.30	3.70-4.00	≥1.70	1.71
50W470	0.5	7.7	≤3.30	2.70-3.00	≥1.70	1.7
35W440	0.35	7.7	≤3.00	2.50-2.70	≥1.70	1.7	≥96
30W230	0.3	7.6	≤0.25	2.10-2.20	≥1.65	1.67	≥96