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EW25

JIS standard: VM-40

Features

Compared to other grades with equal hardness, the fracture toughness value of EW25 is relatively high, so with this grade cracking and chipping can be prevented or improved without reducing hardness. It also has excellent corrosion resistance.
The most standard grade among EW grades.

Equipments using EW25

Press working machine Class dividers
Cutter machine

Applications of EW25

Punch, Die, Squeeze ringWire drawing dies

Parts manufactured with EW25

Laminated Motor coreElectric wire
Brakes/Clutch Friction Materials

Properties of EW25

Abrasion resistanceChipping resistance
Workability of electrical steel sheet Punching at general loadCorrosion resistance

Examples of solutions using EW25

Carbide products using EW25

Other characteristics

Characteristic of EW grade

ew_img01

 

Physical Properties

Our gradeHardness
(HRA)		Transverse rupture strength
[GPa]		Fracture toughness value
[MPa・m½]		Density
[×10³ kg/m³]
{g/cm³}
EW1091.03.51514.8
EW2589.53.52214.3
EW4088.03.52913.9

 

Performance of corrosion-resistance

ew_img03

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