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DIN 1.2745 Details

Alloyed NiCr steel

DIN 1.2745 Standard Download

1.2745 Datasheet
DIN 1.2745

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1.2745 Application:Alloyed NiCr steel
Category Type Grade Designations
Grades Tool Die Steels 1.2745 Germany - DIN ,
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.10 0.17
Si 0.20 0.30
Mn 0.30 0.50
P - 0.030
S - 0.030
Cr 0.90 1.20
Mo - -
V - -
Ni 4.20 4.70
Mechanical properties of grade 1.2745
Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
297 (≥) 912 (≥) 43 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Physical properties of grade 1.2745
Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
734 (≥) 344 (≥) 22 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
846 287 153
1.2745 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1.2745 DIN Germany
Alloyed NiCr steel