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1.2312 (40CrMnMoS8-6) Tool Steel

Plastic mold steel with additional sulfur, usually supplied in a quenched and tempered condition. Polishable, better machinability compared to 1.2311. Similar to AISI P20+S.

Product Shape

Flat Bar

Piece(s)

What is 1.2312 (40CrMnMoS8-6) (MCMS) Steel?

1.2312 (40CrMnMoS8-6) steel is a plastic mold steel delivered in its pre-hardened state. It is preferred when better machinability is required, as compared to 1.2311 (40CrMnMo7). 1.2312 (40CrMnMoS8-6) material is suitable for nitriding, induction hardening, and flame hardening. Due to its sulfur content, 1.2312 (40CrMnMoS8-6) plastic mold steel is not suitable for patterning.

For molds requiring uniform hardness throughout the core and products demanding better surface brightness, 1.2738 (40CrMnNiMo8-6-4) should be selected.

What is the Hardness Value of 1.2312 (40CrMnMoS8-6) (MCMS) Steel?

The hardness value of 1.2312 (40CrMnMoS8-6) steel is between 26 and 32 HRC.

What are the Mechanical Properties of 1.2312 (40CrMnMoS8-6) (MCMS) Steel?

You can find the material properties of 1.2312 (40CrMnMoS8-6) in the "Technical Details" tab. All mechanical and material properties of 1.2312 (40CrMnMoS8-6) steel are specified within this tab.

Where is 1.2312 (40CrMnMoS8-6) (MCMS) Steel Used?

1.2312 (40CrMnMoS8-6) steel can be processed to the finished size and immediately used in the production of plastic molds and holders. It can be flame hardened and is suitable for nitriding.

What is the Price of 1.2312 (40CrMnMoS8-6) (MCMS) Material?

The price of 1.2312 (40CrMnMoS8-6) material varies depending on the product section, dimensions, and surface quality. You can access 1.2312 (40CrMnMoS8-6) steel prices through the "Proceed to Online Sales" button on the www.saglammetal.com homepage.

Chemical Composition

Code: 1.2312, MCMS 40CrMnNiMo8-6-4

Carbon	Chromium	Molybdenum	Manganese	Sulfur
C	Cr	Mo	Mn	S
0,40	1,90	0,20	1,50	0,05

Heat Treatment

	Temperature	Cooling	Hardness
Soft Annealing	710 - 740 °C	Furnace	235 HB
Stress Relief Annealing	500 - 550°C	Furnace
Hardening	830 - 870°C	oil or hot bath 180 - 220°C	see tempering diagram

Mechanical Properties

Hardness

30 - 48

HRC

Physical Properties

Thermal Expansion Coefficient	12,1 - 12,7 / 12,3 - 13,5	1/K * 10^-6
Thermal Conductivity (20°C)	39,6	W/mK
Density	7,85	g/cm³

1.2312 (40CrMnMoS8-6) Tool Steel