EN 10341 Grade M1000-65K

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Description

Semi-processed standard grade has guaranteed magnetic properties in accordance with EN 10341:2006 (which superseded EN 10126:1995 for non-alloyed grades and EN 10165:1995 for alloyed grades). The magnetic properties are developed during the final annealing cycle, which is performed by the client after punching the laminations. This annealing treatment reduces losses and improves permeability and polarisation, as a result of recrystallisation, grain growth and also - for certain grades - decarburisation.

The punchability of the semi-processed grade has been optimised by the application of an optimised final skin-pass reduction, after the cold rolling and annealing process. Skin-passing produces a controlled surface roughness, ensuring good material behaviour in the punching presses. This roughness also prevents the strips from sticking during the client’s final annealing treatment. Regarding magnetic performance, skin-passing also plays an important role by stimulating grain growth during the annealing cycle, which results in further reduction of losses and increased permeability of the steel.

Related Standards

Equivalent Materials

This material data has been provided by ArcelorMittal.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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Properties

General

Property	Value
Density	7.85 g/cm³ Show Supplier Material materials with Density of 7.85 g/cm³

Mechanical

Property	Value	Comment
Elongation	17 - 37 % Show Supplier Material materials with Elongation of 17 - 37 %	for thickness 0.65 mm \| Transverse \| A80
Hardness, Vickers	120 - 170 [-] Show Supplier Material materials with Hardness, Vickers of 120 - 170 [-]	for thickness 0.65 mm
Tensile strength	350 - 470 MPa Show Supplier Material materials with Tensile strength of 350 - 470 MPa	for thickness 0.65 mm \| Transverse
Yield strength	280 - 450 MPa Show Supplier Material materials with Yield strength of 280 - 450 MPa	for thickness 0.65 mm \| Transverse

Magnetic

Property	Value	Frequency	Comment
Guaranteed core loss	10 W/kg Show Supplier Material materials with Guaranteed core loss of 10 W/kg	50Hz	max. for thickness 0.65 mm \| at 1 T
Guaranteed polarization	1.6 [-] Show Supplier Material materials with Guaranteed polarization of 1.6 [-]		min. \| for thickness 0.65 mm \| at 2500 A/m
	1.68 [-] Show Supplier Material materials with Guaranteed polarization of 1.68 [-]		min. \| for thickness 0.65 mm \| at 5000 A/m
	1.78 [-] Show Supplier Material materials with Guaranteed polarization of 1.78 [-]		min. \| for thickness 0.65 mm \| at 10000 A/m
Typical core loss	4.2 W/kg Show Supplier Material materials with Typical core loss of 4.2 W/kg	50Hz	max. for thickness 0.65 mm \| at 1 T
	12.7 W/kg Show Supplier Material materials with Typical core loss of 12.7 W/kg	60Hz	max. for thickness 0.65 mm \| at 1.5 T

Technological properties

Property

Application areas

Non-alloyed semi-processed electrical steels are designed for small industrial motors, fans and domestic appliances such as washing machine motors, microwave oven transformers and refrigerator compressors.

Alloyed semi-processed electrical steels are designed for similar higher efficiency versions of these applications, as they have lower losses whilst the permeability remains at a good level.

Coating

This semi-processed grade is available non-insulated. The final process step in the decarburising annealing treatment carried out by the client provides a suitable atmosphere and thermal conditions for blueing: the formation of an oxide film, which creates the required surface insulation layer.

Other

The punching process needs to be carried out with an appropriate lubricant, which must be selected carefully, especially in the case of the alloyed semi-processed grades.

Dimensions:

	Side trimmed		Slit coils
	Min width	Max width	Min width	Max width
M 1000-65 K	600	1400	40	600
1. After prior agreement

Please contact the supplier for thicknesses < 0.50 mm.