6615 MX - Ejector sleeve with cylindrical head ECO

Standard: DIN ISO 8405; DIN 16756
Material: WAS = 1.2343, 1.2344
Heat resistance at least 600 ºC
Hardness: Head: 40-55 HRC 
Shaft:at least 950 HV 0,3 on surface,
core strength approx. 1400 N/mm2