61SiCr7 is a Silicon Manganese alloy steel mainly used for heavy duty springs, but also used for tooling where impact resistance is of importance. As-quenched hardness is expected to fall within a range of about 58 - 63 HRC. Hardenability is considered fairly high.
1.7108, 60SiCr7 DIN 17221, 9260H, ASTM 9260, SB9064 - 61Si7 EN10027
Other properties (typical values)
|Youngs module (GPa)||Poisson´s ratio (-)||Shear module (GPa)||Density (kg/m3)|
| Average CTE 20-300°C (µm/m°K)|| Specific heat capacity 50/100°C (J/kg°K)|| Thermal conductivity Ambient temperature (W/m°K)|| Electrical resistivityAmbient temperature (µΩm)|
|| 460 - 480
|| 40 - 45
|| 0.20 - 0.25
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