Code

Description

Unit

NIST-2830

Ceramic silicon nitride - Hardness (Knoop)

each

NIST-1893

Bright copper - Hardness (Knoop)

each

NIST-1895

Bright nickel - Hardness (Knoop)

each

NIST-1905

Bright nickel - Hardness (Knoop)

each

NIST-1906

Bright nickel - Hardness (Knoop)

each

NIST-1907

Bright nickel - Hardness (Knoop)

each

NIST-2828

Knoop Microhardness of Steel

1 block