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Cryodur 2842 Plate

Alternative and trade names
DIN EN ISO 90MnCrV8, 1.2842, AISI O2
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Description

1.2842 (90MnCrV8) Quenched and Tempered steel plate with good cutting edge retention, dimensionally stable during heat treatment.

Equivalent Materials

Properties

Dimension

Thickness

t

15 - 200 mm

Width

w

1010 mm

Mechanical

Hardness, Brinell

HB

220 [-] at 20 °C

Show Tool And Machining Steel materials with Hardness, Brinell of 220 [-] at 20 °C

soft annealed

Hardness, Rockwell C

HRC

56 - 60 [-] at 20 °C

Show Tool And Machining Steel materials with Hardness, Rockwell C of 56 - 60 [-] at 20 °C

Thermal

Coefficient of thermal expansion

α

1.22E-5 1/K at 100 °C

for 20°C to the mentioned temperature

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Thermal conductivity

λ

33 W/(m·K) at 20 °C

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Chemical properties

Element

Weight %

Comment

Fe

-

Balance

Mn

2 %

C

0.9 %

Cr

0.4 %

Si

0.2 %

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Technological properties

Application areas

Universally usable, cutting and stamping tools, thread-cutting tools, reamers, gauges, measuring tools, plastic moulds, shear blades, guide rails, ejector pins

Heat Treatment

Soft annealing: 680-720°C (Cooling in furnace) - Stress-relief-annealing: 650°C (cooling in Furnace), Hardening: 790-820°C and quenching in air, oil or salt bath: 180-220°C

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This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.