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Shanghai Jingteng Metal Group Co., Ltd.

   
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20Mn23AlV nonmagnetic steel (transformer special )

20Mn23AlV nonmagnetic steel (transformer special )

20Mn23AlV  nonmagnetic steel (transformer special )
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20Mn23AlV  nonmagnetic steel (transformer special )


20mn23Alv nonmagnetic steel is widely used in many electrical products, used in the manufacture of large transformer internal structure of low magnetic plate


一.Magnetic shielding in oil tank of large and medium sized transformer, iron core pulling plate, coil clamping element, bolt and other magnetic leakage magnetic field structure；

二.Lifting electromagnet chucks, magnetic separation equipment and simplified, the selection box iron remover；

三.Special smelting furnace lining, furnace cover, electrode clamping plate and electronic stirring device structure.




Material Name


Material Name: 20Mn23AlV  nonmagnetic steel

Characteristics and scope of application



The steel with extremely low permeability and good mechanical properties and processability, can replace the low magnetic austenitic stainless steel and non-ferrous alloy for a transformer, magnetic separator and motors and other electrical equipment does not lead to the manufacture of magnetic components.


Chemical Composition


C Si Mn S P Al V
0.14～0.20 Below 0.15 21.50～25.00 Below 0.030 Below 0.030
 1.50~2.50
 0.04~0.10

Mechanical Property


Thickness
mm
Yield Strength
σs 0.2 (MPa)
Tensile strength
σb (MPa)
Elongation
δ 5 (％)
Lateral bending  B=2a
D=2a、180°
6-16
17-30
Above 255
Above 235
Above 530
Above 510 		Above 30
Above 30 		accreditation




Delivery State


hot rolled or cold drawn state of delivery, the delivery state should be indicated in the contract.