Sample cups/discs are designed to provide excellent thermal conductivity. They are cleaned and vacuum sealed (20 pcs per/package) separately.
Stainless steel
VA 1.4301
most popular, for standard application
maximum temperature: 710 °C
Aluminum
AlMg3
low cost
maximum temperature: 500 °C
Nickel
Ni 99.2
for experimental work
low background measurements