6F4 Tool Die Steels

6F4 - Specification & Application

Mold Steel

Chemical composition(wt.%) of 6F4 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 0.25
Mn - 0.70
Cr - -
Mo - 3.35
V - -
W - -
Ni - 3.00

6F4 - Detail

Mold Steel

Mechanical properties of grade 6F4

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)
383 (≥) 987 (≥) 33 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical properties of grade 6F4

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
222 (≥) 936 (≥) 42 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 233
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
849 489 244

Equivalent Grade

Equivalent Products

We can customize the production of 6F4 grade, contact us for the best solution.
sales@specificsteel.com