Charpy Impact Reference Piece

[Features]
· Adopts (1) Strictly selected materials: ultra-high cleanliness steel (SNCM439 equivalent) to absolutely minimize suction energy variation (CV: 3% or less). (2) Manufacturing process: strict management. (3) Specially heat treated: Fundamental heat treatment carried out, conforming to JIS B7740 (impact reference specimen for Charpy testing).
· NK certified.