HP1 Steel

HP1 Steel

Steel name: HP1
Diagram No.: 2481
Chemical composition in weight %: 0.35% C, 0.20% Si, 0.30% Mn, 5.20% Cr, 1.40% Mo, 0.55% V, +Nb
Steel group: Alloyed steels
Properties: HP1 is a Cr-Mo-V alloyed premium steel with very good high-temperature strength and highest toughness. In addition, this steel is characterized by good thermal shock resistance. HP1 is only produced in remelted version using the ESR process.
Applications: HP1 is particularly suitable for the following applications with the highest mechanical and thermal loads: Dies in die casting with high surface requirements. Extrusion: Dies with high toughness requirements. Inner liners. Forging of light metals, especially for deep engravings, such as chassis parts. Forging of Ti-alloys.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1015 - 1025°C. Air, warm bath of approx. 540 °C, Oil/polymer; Interrupt oil or polymer cooling at 230 - 280 °C or vacuum hardening.
Tempering: 540 - 680 °C.
Diagram note: No data

Tempering Diagram

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Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
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Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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 puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.