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DIN 115W8 Details

DIN 115W8 Standard Download

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115W8 Application:Alloyed W steel

Category Type Grade Designations
Grades Tool Die Steels 115W8 Germany - DIN ,

Chemical composition(wt.%) of 115W8 grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 1.10 1.20
Si 0.15 0.30
Mn 0.20 0.40
P - 0.035
S - 0.035
Cr 0.15 0.25
Mo - -
V - -
W 1.80 2.10
Alloyed W steel

Mechanical properties of grade 115W8

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)
233 (≥) 732 (≥) 42 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade 115W8

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
253 (≥) 329 (≥) 31 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
575 895 413

115W8 - Form of Supply

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
115W8 DIN Germany
Alloyed W steel

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