
Cold Work Tool Steel
Ideal for severely stressed machine blades in the cellulose, paper, and fiberboard industries, where high toughness and resistance to dynamic loading are crucial. It is also widely used for flat-blade and circular blades designed to cut sheets or plates ranging from 5 to 15 mm in thickness.
Industries in detail
SIHARD 2631 data sheet
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Product advantages
It is a cold work tool steel with high toughness and resistance to dynamic loading.
Manufacture
SIHARD 2631 is made by SIJ Metal Ravne.
Standards & certificates
Material number
1.2631
Ravne
CRV2
DIN
X50CrMoW9-1-1
EN
X50CrMoW9-1-1
Properties
Hardness[HRC]:33 - 60
Density[g/cm³]:7.80
Elasticity[10³ x N/mm²]:210
Chemical composition
In weight %
C0.50
Si0.90
Mn0.50
Cr8.50
Mo1.20
W1.20
Product forms
Continuous Cooling Transformation (CCT)
Tempering
Hardening
Harden from a temperature of 1020 - 1050°C followed by oil, air or warm bath (approx. 400°C) quenching. Hardness after quenching is 61 HRC.
Forging
Hot forming temperature: 1050 - 900°C.
Disclaimer
The information and data presented herein are typical or average values. The typical properties of the materials described are provided solely to assist readers in making their own evaluations and decisions. These values are not guaranteed.
Applications specifically suggested for the materials described are intended only for illustrative purposes, enabling the reader to make their own assessments. They are not to be construed as warranties, whether express or implied, regarding fitness for any particular purpose.
The information and data are provided for informational purposes only and may be revised at any time without notice.
Unless otherwise specified, all registered trademarks are the property of SIJ – Slovenska industrija jekla, d.d. (Slovenian Steel Group) and its subsidiaries (SIJ Group).
Copyright © 2024 by SIJ Group. All rights reserved. Contact us for further information.
Applications specifically suggested for the materials described are intended only for illustrative purposes, enabling the reader to make their own assessments. They are not to be construed as warranties, whether express or implied, regarding fitness for any particular purpose.
The information and data are provided for informational purposes only and may be revised at any time without notice.
Unless otherwise specified, all registered trademarks are the property of SIJ – Slovenska industrija jekla, d.d. (Slovenian Steel Group) and its subsidiaries (SIJ Group).
Copyright © 2024 by SIJ Group. All rights reserved. Contact us for further information.
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