www.concept-laser.de

.material data

26

Fe55,847

Stainless hot-work steel (powder)

CL 91RW is a hard stainless steel with high chrome content. With an appropriate approval* this material can be used for production of mould components for high volume injectionmoulding as well as for stainless functional components with high loads.

CHEMICAL COMPOSITION

Component Indicative value (%)

C 0,03

Si 0,3

Mn 0,3

Cr 12

Ni 9,2

Mo 1,4

Al 1,6

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CL 91RW Stainless hot-work steel

Concept Laser GmbHAn der Zeil 8D 96215 Lichtenfels

T: +49 (0) 95 71. 1679 200F: +49 (0) 95 71. 1679 299info@concept-laser.de

www.concept-laser.de

TECHNICAL DATA AFTER RECOMMENDED HEAT TREATMENT

Yield Strength Rp0,2 1 approx. 1.600 N/mm2

Tensile Strength Rm 1 approx. 1.700 N/mm2

Elongation A 1, 2 > 2 %

Young‘s Modulus 3 approx. 200.000 N/mm2

Thermal Conductivity 3 approx. 18 W/mK

Hardness 4 48 – 50 HRC

With an appropriate approval* CL 91RW can be used for production of tool insertswith conformal cooling and medical or chirurgical instruments as well as for packaging used in food and pharmaceutical industries.

RANGE OF APPLICATION

1 Tensile test at 20°C according to DIN EN 501252 By using a special heat treatment a higher elongation can be achieved.3 Specification according to the material manufacturer’s data sheet.4 Hardness test according to DIN EN ISO 6508

CL 91RWStainlesshot-work steel

Test piece (x 100 magni� cation)

MICROSECTION

Test piece (x 20 magni� cation)

HEAT TREATMENT MICROSTRUCTURE

Heat up with 100°C/h to 530°C. Maintaintemperature for 4 hours. Allow the componentsto cool down in the oven with 100°C/h.

Components made from stainless hot-work steelCL 91RW display a homogeneous, dense structure after they are manufactured by means of the metal laser melting process LaserCUSING®.

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