14MoV63

Alloy Steel

14MoV63

(DIN 17175). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.11
MO0.7
V53.6
P0.035
S0.035

Mechanical Properties

Tensile:≥510 MPa;Yield:≥295 MPa;Elong:≥20%

Chinese Standard

DIN 17175 14MoV63

Available Forms

Bar,Plate

Uses

Tool and die steel for cutting, forming, punching and molding tools. Tungsten/molybdenum (≈0%/0.9%) give hot hardness and red-hardness for high-speed and hot-work tools. Applied to blanks, punches, extrusion dies, shear blades, plastic-mold and cold-work tooling.

Heat Treatment

Hot-work: preheat 800 °C, austenitize 1020–1080 °C, quench, temper 540–620 °C (multiple) for hot hardness and thermal fatigue resistance.

Precautions

Risk of quench cracking and distortion — use graded preheating, controlled cooling and multiple tempers. Avoid overheating the austenitizing temperature. Machine in the soft annealed condition; allow for dimensional change after heat treatment. Grind with coolant to prevent rehardening cracks.

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