KLEINOX 4123 – DIN EN X40CrMoVN16-2 – AISI 420 MOD – X15TN – ASTM F899

USES AND APPLICATIONS

KLEINOX 4123 (AISI 420 MOD – X15TN) N containing hardenable martensitic stainless steel with high Cr content. Its corrosion resistance is noteworthy, superior to the 4112 (X 90 CrMoV 18-AISI 440B) and 4125 (X 105 CrMo 17-AISI 440C) grades. It is well adapted for production of surgical instruments.

EXECUTIONS

Diameters: 1.00 – 15.00 mm
Tolerances: ISO h8 (up to h5)
Delivery conditions: in cold drawn or ground bars 3m and Coils

MECHANICAL PROPERTIES
Before hardening

Tensile Strength: ca. 840 N/mm2
Heat treatment: hardening: 1010 – 1050°C, slow air cooling
Hardness Max: max 58 HRc
Cutting speed: 20 – 30 m/min
Lubrificant-cooling fluid i.e.: INOX or ORTHO Motorex