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DIN 1.4057 / AISI 431

DIN 1.4057 / AISI 431



Product Description

1.4057 / 431 Hot Work Tool Steel

Standards

DIN

AISI

JIS

ГОСТ

X17CrNi16-2

1.4057

431

SUS431

 

 

Chemical composition (typical analysis in %)

C

Si

Mn

P

S

Cr

Ni

V

0.12-0.22

≤1.00

≤1.50

≤0.030

≤0.030

15.0-17.0

1.50-2.50

0.40-0.70

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Steel properties :

This steels with the high content of chrome have good resistance to the formation of scales and corrosion. These properties predetermine them for the usage in the glass molds industry. It is usually delivered in the ESR quality.

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Applications :

 

Molds for pressing of glass for the industrial glass with high requirements for the glass quality, also for highly meltable, technical, tempered glass. Manufacturing of pressing die moulds, blowing moulds and section rolls.

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Size range :

Diameter (mm)

Thickness (mm)

Width (mm)

50 - 500

20 - 400

Max 810

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Delivery condition :

Soft annealed to max. 295 HB

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Heat Treatment:

Soft annealing

Temperature(°C)

Cooling

Hardness

750 - 850

furnace

max. 295 HB

 

Forging

Temperature(°C)

Cooling

 

 

800 - 1000

furnace

 

 

Hardening

Temperature(°C)

Cooling

Tempering

 

990 - 1070

oil or air

see tempering diagram

 

 

 

Remarks: All technicial information is for reference only.

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