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ASP23S Steel
Steel name: ASP23S
Diagram No.: 1736
Mat.No. (Wr.Nr.) designation: 1.3344
SS designation: SS 2725
EN designation: HS 6-5-3
AISI/SAE designation: AISI (M3:2)
JIS designation: JIS SKH53
Chemical composition in weight %: 1.28% C, 0.4% Mn, 0.13% S, 4.0% Cr, 5.4% Mo, 3.1% V, 6.4% W
Steel group: PM tool steels
Properties: ASP23S is a sulphurised version of ASP 2023. It has an improved machinability, but also a lower toughness than ASP 2023.
Applications: Gear cutting tools.
Reference: Not shown in this demo version.
Heat Treatment
Hardening: Hardening in a protective atmosphere with pre-heating in 2 steps at 450-500°C and 850-900°C and austenitising at a temperature suitable for chosen working hardness. Cooling down to 40-50°C.
Tempering: Tempering at 560°C three times for at least 1 hour each time. Cooling to room temperature (25°C) between temperings.
Tempering Diagram
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Disclaimer: The material data is a central depository of information based on global actual tests and calculated software data that is available to the public for a fee. The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.