6G Tool Die Steels

6G - Specification & Application

Mold Steel

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

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.55
Si - 0.25
Mn - 0.80
Cr - 1.00
Mo - 0.45
V - 0.10
W - -

6G - Detail

Mold Steel

Mechanical properties of grade 6G

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)
183 (≥) 647 (≥) 32 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade 6G

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
172 (≥) 464 (≥) 33 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
439 114 315

Equivalent Grade

Equivalent Products

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