|
|
|
|
|
|
|
|
W14Cr4VMnRe High speed tool steel hardness
|
|
W14Cr4VMnRe is a Chinese GB/T 9943-2008 standard brand. The steel has high thermal hardness, good wear resistance and tempering resistance, as well as comparative depth of hardening. W14Cr4VMnRe is a general purpose tungsten high speed tool steel widely used.
W14Cr4VMnRe HSS round bar chemical element % :
C Si Mn P/S Cr Mo V
0.8 0.9 0.5 0.35 0.55 or less acuities were 0.030 3.5 4.0 0.3 1.4 1.7 or less
W Re
13.2-15.0
W14Cr4VMnRe high speed steel plate performance:
W14Cr4VMnRe high speed steel has good thermal hardness, red hardness, wear resistance and high hardness and backfire resistance and relatively deep quenching depth, poor toughness, poor machinability, poor thermal conductivity, quenching does not deform medium, is currently universal type tungsten high-speed tool steel.
W14Cr4VMnRe high-speed steel round steel
W14Cr4VMnRe high speed steel punch material is suitable for cold extrusion punch, heavy duty cold heading punch;
W14Cr4VMnRe high speed steel sheet is suitable for the manufacture of powder metallurgy die and a variety of small high service life cold punching and shearing tools.
W14Cr4VMnRe high speed steel material supply status and factory hardness:
W14Cr4VMnRe high speed steel is mainly hot rolled, forged, cold drawn steel bar to annealing state delivery, hot rolled, forged steel bar to annealing + other processing methods (such as peeling, light pull, polishing or polishing, etc.) after delivery.
Annealing hardness: 227HBW,
Cold drawing hardness: 255HBW,
Cold-drawn annealing hardness: 262HBW
Specification for soft annealing of small round bar for high speed steel W14Cr4VMnRe
Annealing temperature 870-890℃, holding for 2h, and then cooling to 500-600℃ at a cooling rate of 20-30℃/h, and then furnace cold or pile cold, hardness ≤227HBW.
Specification for isothermal annealing of small round high speed steel W14Cr4VMnRe
Annealing temperature 840-860℃, heat preservation 2h, and then cooling to 740-750℃ at a cooling rate of 20-30℃/h, heat preservation 2-4h, and then cooling to 500-600℃, air cooling out of the oven, hardness ≤255HBW.
Specification for quenching and tempering of small round bar for high-speed steel W14Cr4VMnRe
Preheating temperature 850℃, holding time 24s/mm, quenching temperature: 1230-1260℃, holding time 12-15s/mm, oil cold.
Tempering temperature 560℃, tempering 3 times, 1h each time, air cooling, hardness ≥63HRC.
|
|
|
|
|
|
|
|
|
|
