DIN 1.2631

Grades | Tool Die Steels | 1.2631

DIN 1.2631

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1.2631 Application:Alloyed CrMoW steel

Chemical composition(mass fraction)(wt.%) of the 1.2631
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.45 0.55
Si 0.80 1.00
Mn 0.40 0.60
P - 0.035
S - 0.035
Cr 8.00 9.00
Mo 1.10 1.30
V - -
W 1.10 1.30

Mechanical properties of grade 1.2631

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
187 (≥) 239 (≥) 13 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade 1.2631

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
716 (≥) 322 (≥) 41 43 21 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		 - - -
622 434 765 - - -

1.2631 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