136-2020-1 Rockwell Superficial Hardness (30N Scale) Price: $319.00


For each cycle participants receive two steel test blocks with slightly different hardness numbers. Each block is pre-tested for homogeneity. No sample preparation required. ASTM Test Method E18 is used.
 
All hardness measurements must be reported in the Rockwell 30N scale.
 
Total number of shipments = 1
 
Samples ship in November.
 
Enrollment deadline: 24 July 2020