S361RHigh-Toughness Steel for Demanding Hot-Work Applications
SITHERM S361R is a specialized steel grade offering high toughness and excellent thermal fatigue resistance, making it ideal for hot-work applications such as die casting, extrusion, die forging, and hot stamping. It is particularly suited for die casting of light metals and alloys, especially in high-dimension tools. The grade’s superior hardenability and polishability also make it a strong candidate for plastic molding and glass processing, as well as for highly stressed hot-work structural parts.
Industries in detail
SITHERM S361R data sheet
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Product advantages
Impact toughness KV (J)
KV impact specimens (EN ISO148-1:2017 / ASTM A370-05-17) are used to test impact toughness in transverse direction. Specimens are quenched and tempered to 45+/-1 HRC and test is performed at 20 ̊C. Average impact toughness of forged quality is higher than 33 Joule for the forging size up to 800 × 400 mm. (acc. NADCA#229-2016)
Quality comparison
SITHERM S361R is a premium tool steel of highest toughness produced by SIJ Metal Ravne. The chart below shows its toughness compared to SITHERM 2343, SITHERM 2344 and to SITHERM S350R hot-work steels. Tool steel with increased toughness is critical in applications with a risk of gross cracking.
Manufacture
SITHERM S361R is made by SIJ Metal Ravne.
Standards & certificates
Ravne
RAVNEX HD
Properties
Chemical composition
In weight %
Product forms
Hardening
Hardness after hardening is 50 - 54 HRC (1680 - 1916 N/mm²).
Continuous Cooling Transformation (CCT)
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.
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