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1.3343 high speed steel
1.3343 Chemical composition
1.3343 Round steel
1.3343 Heat treatment
1.3343 Steel plate
1.3343 alloy
1.3343 Price
1.3343 The properties of materials determine the scope and rationality of the use of materials; It is mainly divided into four aspects:
(1) Mechanical properties -1.3343 strength, 1.3343 hardness, 1.3343 plasticity, 1.3343 fatigue, 1.3343 impact toughness
(2) Chemical properties -1.3343 corrosion resistance, 1.3343 high temperature oxidation
(3) Physical properties -1.3343 density, 1.3343 melting point, 1.3343 thermal expansibility, 1.3343 magnetism, 1.3343 conductivity
(4) Process properties -1.3343 machinability, 1.3343 malleability, 1.3343 castability, 1.3343 welderability
As a kind of tungsten-molybdenum high speed steel, tungsten-molybdenum high speed steel is widely used in the production of machine tool, cold forming tool and cutting tool. 1.3343 High speed steel has high toughness and good cutting ability, can withstand temperature rise without loss of tempering.
Chemical composition:
C: 0.86 ~ 0.94(commitment deviation :±0.0
Si: ≤0.45(commitment deviation :±0
Mn: 0.10 ~ 0.40(commitment deviation :0.04)
S: 0.060-0.150
P: ≤0.030
Cr: 3.80 ~ 4.50(commitment deviation :±0.1
Ni: committed residual content ≤0.30
Cu: committed residual content ≤0.25
V: 1.70 ~ 2.00 (commitment deviation: ±0.07)
Mo: 4.70 ~ 5.20(commitment deviation :±0.1
W: 6.00 ~ 6.70(commitment deviation :±0.1
Mechanical properties of high speed steel:
Hardness: Delivery hardness :(annealed)≤262HB. Hardness of heat treatment system and quenching and tempering: ≥6
1.3343 High speed steel hot place, mechanical specification and metallographic structure:
Heat treatment specification: quenching 820~870ºC preheating, 1210~1230ºC(salt bath furnace) or 1210~1230ºC(box furnace) heating, oil cooling, 550~570ºC tempering twice, once each time h.
1.3343 Delivery status of HSS: hot rolling, forging, cold drawn bar annealing, hot rolling, forged bar annealing + other processing methods (peeling, light drawing, polishing or polishing, etc.).
application
Typical applications of this high speed steel grade are twist drill, reamer, broach, tap, milling cutter, metal saw. Suitable for extrusion plunger, mold and other cold forming tools, also suitable for high wear resistance of cutting tools and plastic mold.
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