1.2631 Tool Die Steels

1.2631 - Specification & Application

Alloyed CrMoW steel

Chemical composition(wt.%) of 1.2631 grade:

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

1.2631 - Detail

Alloyed CrMoW steel

Mechanical properties of grade 1.2631

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)
345 (≥) 529 (≥) 42 31 13 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
Modulus of elasticity
kN/mm2
Expansion rate
458 (≥) 623 (≥) 13 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
918 628 981

Equivalent Grade

Equivalent Products

We can customize the production of 1.2631 grade, contact us for the best solution.
sales@specificsteel.com