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DIN 1.2312 / AISI P20+S

DIN 1.2312 / AISI P20+S



Product Description

1.2312 / P20+S Plastic Mould Steel

Standards

DIN

AISI

JIS

ГОСТ

X40CrMnMoS8-6

1.2312

P20+S

 

40ХГМА

 

Chemical composition (typical analysis in %)

C

Si

Mn

P

S

Cr

Mo

0.35-0.45

0.30-0.50

1.40-1.60

≤0.030

0.050-0.100

1.80-2.00

0.15-0.25

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Steel properties :

Chrome-manganese-molybdenum steel for hardening in air or in oil with very good hardenability and good firmness during the heat. It is well-workable during the heat and due to an increased content of sulfur well-workable both in the soft-annealed state and the heat-treated state. The steel has good polishability, it can be cemented in the bath or in gas and also put on the hard-chrome.

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Applications :

 

Cavitations molds, standard mould base, compression mould for SMC, blowing mould, Pet preform mold, plastic piping & plumbing injection molds. Tools for processing of plastic substances such as big and middle molds, forming frames for casting of plastic substances and metals under the pressure. For less demanding tools there is a possibility to use the steel in the heat-treated state at 950 up to 1100N/mm2 without further heat treatment.

 

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Size range :

Diameter (mm)

Thickness (mm)

Width (mm)

50 - 500

20 - 405

Max 1000

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Delivery condition :

Soft annealed to max. 230 HB

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Heat Treatment:

Soft annealing

Temperature(°C)

Cooling

Hardness

760 - 780

furnace

max. 230 HB

 

Forging

Temperature(°C)

Cooling

 

 

750 - 1000

furnace

 

 

Hardening

Temperature(°C)

Cooling

Tempering

 

830 - 870

oil or air

see tempering diagram

 

 

 

Remarks: All technicial information is for reference only.

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