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1.2311 (40CrMnMo7) Tool Steel

1.2311 (40CrMnMo7)

Plastic mould steel that is usually supplied in a quenched and tempered condition. Good machinability, better polishability, compared to 1.2312 (AISI P20+S). Similar to AISI P20.

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What is 1.2311 (40CrMnMo7) (MCM) Steel?

1.2311 (40CrMnMo7) steel is a plastic mold steel delivered in its pre-hardened state. For better machinability, 1.2312 (40CrMnMoS8-6) can be preferred. 1.2311 (40CrMnMo7) material is suitable for nitriding, induction hardening, and flame hardening. The only difference between 1.2311 (40CrMnMo7) and 1.2312 materials is the presence of sulfur in 1.2312 (40CrMnMoS8-6). Due to the 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 1.2311 (40CrMnMo7) (MCM) Steel?

The hardness value of 1.2311 (40CrMnMo7) steel is between 26 and 32 HRC.

What are the Mechanical Properties of 1.2311 (40CrMnMo7) (MCM) Steel?

You can find the material properties of 1.2311 (40CrMnMo7) in the "Technical Details" tab. All mechanical and material properties of 1.2311 (40CrMnMo7) steel are specified within this tab.

Where is 1.2311 (40CrMnMo7) (MCM) Steel Used?

1.2311 (40CrMnMo7) 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 1.2311 (40CrMnMo7) (MCM) Material?

The price of 1.2311 (40CrMnMo7) material varies depending on the product section, dimensions, and surface quality. You can access 1.2311 (40CrMnMo7) steel prices through the "Proceed to Online Sales" button on the www.saglammetal.com homepage.

Chemical Composition

Code: 1.2311, MCM, 40CrMnMo7

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

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

1.2311 (40CrMnMo7) Tool Steel

1.2311 (40CrMnMo7)

What is 1.2311 (40CrMnMo7) (MCM) Steel?

What is the Hardness Value of 1.2311 (40CrMnMo7) (MCM) Steel?

What are the Mechanical Properties of 1.2311 (40CrMnMo7) (MCM) Steel?

Where is 1.2311 (40CrMnMo7) (MCM) Steel Used?

What is the Price of 1.2311 (40CrMnMo7) (MCM) Material?

Chemical Composition

Code: 1.2311, MCM, 40CrMnMo7

Carbon

Chromium

Molybdenum

Manganese

C

Cr

Mo

Mn

0,40

1,90

0,20

1,50

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)

1.2738 (40CrMnNiMo8-6-4)

Industries

Automotive

White Goods - Electronics

Application

Plastic İnjection

Holder Materials

1/K * 10^-6

g/cm³