DIN 1.3343

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DIN 1.3343

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1.3343 Application:High-speed tool steel

Chemical composition(mass fraction)(wt.%) of the 1.3343
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%)
0.86-0.94 Max 0.45 Max 0.40 Max 0.030 Max 0.030 3.80-4.50 4.70-5.20 1.70-2.00 6.00-6.70

Mechanical properties of grade 1.3343

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
864 (≥) 812 (≥) 32 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade 1.3343

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
811 (≥) 478 (≥) 31 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
286 467 764 - - -

1.3343 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED