K770Ledeburitic, High Chromium Cold Work Tool Steel for Superior Wear Resistance and Toughness
Suitable for various industrial applications, including blanking dies, thread roll dies, punches, coining dies, drawing dies, and upsetting dies, as well as for cutting tools, cutting rolls, and cutting knives.
Industries in detail
SIHARD K770 data sheet
Product advantages
SIHARD K770 is a ledeburitic, high chromium cold work tool steel with high and very good combination of wear resistance and toughness.
The SIHARD K770 steel excels itself through the following properties:
- a very good combination of wear resistance and toughness,
- high hardness,
- nitridability and
- high dimensional stability.
Manufacture
SIHARD K770 is made by SIJ Metal Ravne.
Standards & certificates
Material number
1.2379
Ravne
OCR12VML
DIN
X153CrMoV12
AISI/SAE
D2
Properties
Chemical composition
In weight %
Product forms
Continuous Cooling Transformation (CCT)
Tempering
Hardening
Harden from a temperature of 1020 - 1050°C followed by oil, air quenching or warm bath quenching 500 - 550°C. Hardness after quenching is 62 - 64 HRC.
Forging
Hot forming temperature: 1050 - 850°G.
Disclaimer
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).
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