REFERENCE MATERIAL;
ACO NIST SRM1763A;
SAMPLE TYPE: SOLID;
MATRIX: LOW ALLOY STEEL;
DIAMETER: 40MM;
HEIGHT: 10MM;
COMPOSITION: IRON 95.3PCT TUNGSTENIUM 0.002PCT;
CERTIFICATE: W/CERTIFICATE;
SUPPLY: DISC;
REFERENCE/MANUFACTURER: NIST SRM 1763A/NIST;