1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8

1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Tool Die Steels to DIN 17350 (1980)

1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 - Specification & Application

• DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery

Tool Steels; Technical Conditions of Delivery

Chemical composition(wt.%) of 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 grade: to DIN 17350 (1980)

Mechanical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 grade: to DIN 17350 (1980)

Yield Strength,R_{p 0.2}(MPa)

Condition	Min	Max	Similar	Note

Tensile Strength,R_m(MPa)

Condition	Min	Max	Similar	Note

Impact,Kv/Ku(J)

Condition	Min	Max	Similar	Note

Elongation,A(%)

Condition	Min	Max	Similar	Note

Reduction of area,(%)

Condition	Min	Max	Similar	Note

Hardness

Condition	Type	Min	Max	Similar	Note
A	HB		235
QT	HRC		51

Physical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN 17350 (1980)

Density	Note
7.84 g/cm3
Linear expansion coefficient	Note
12.4 *10-6m/(m*K)
Thermal conductivity	Note
34 W/(m*K)
	Note

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Related properties

- Temperature range: 20-200 °C 13 *10-6m/(m*K)

QT - Temperature range: 20-300 °C 13,4 *10-6m/(m*K)

QT - Testing temperature 13 *10-6m/(m*K)

QT - Temperature range: 20-300 °C 13,4 *10-6m/(m*K)

1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 - Detail

Application

1.2311, 40CrMnMoS8-6, 1.2312, 40CrMnMoS8-6, P20, 40CMD8 plastic mould tool steels, suitable to operate in high temperature, used mainly for plastic moulds, hydroforming tools and frames for plastic pressure dies. They are highly hardenable, resistant to tempering and strong in high temperature.

Similar Steel Grades    

1.2311, 1.2312, 40CrMnMo7, 40CrMnMoS8-6, P20+S, UNS T51620, P20, 40Ch2GM, 35CrMo8, 40CMD8, F-5302, A681, 40Х2ГМ