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DIN 1.2842 / AISI O2

DIN 1.2842 / AISI O2



Product Description

1.2842 / O2 Cold Work Tool Steel

Standards

DIN

AISI

JIS

ГОСТ

X90MnCrV8

1.2842

O2

SKS93

9Г2Ф

 

Chemical composition (typical analysis in %)

C

Si

Mn

P

S

Cr

V

0.85-0.95

0.10-0.40

1.90-2.10

≤0.030

≤0.030

0.20-0.50

0.05-0.15

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Steel properties :

Manganese–chrome–vanadium steel with the middle hardenability for hardening in oil, particularly good dimensional stability at the heat treatment, good resistance to the wear and cutting power. Considerable sensitivity to cooling by water during the hardening and tempering, good polishability, good ductility at the heat and good workability in the annealed state.

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Applications :

 

Cutting, blanking die, punch, rolling cylindrical dies, slitting knife, cold heading die, clay mold, thermosetting plastic molding etc.

 

 

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Size range :

Diameter (mm)

Thickness (mm)

Width (mm)

6 - 500

6 - 400

Max 810

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Delivery condition :

Soft annealed to max. 230 HB

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Heat Treatment:

Soft annealing

Temperature(°C)

Cooling

Hardness

680 - 720

furnace

max. 230 HB

 

Forging

Temperature(°C)

Cooling

 

 

850 - 1050

furnace

 

 

Hardening

Temperature(°C)

Cooling

Tempering

 

780 - 820

oil or air

see tempering diagram

 

 

 

Remarks: All technicial information is for reference only.

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