R30700 Stainless Steels

R30700 - Specification & Application

Co-Ni-Cr-Mo-W alloy age-hardenable

Chemical composition(wt.%) of R30700 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn 3.75 4.75
P - 0.045
S - 0.03
Ni 9.00 10.50
Cr 19.00 22.00
Al - -
Cu - -
Ti - -
Fe - -
N - -
Mo - -
V - -

R30700 - Detail

Co-Ni-Cr-Mo-W alloy age-hardenable

Mechanical properties of grade R30700

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)
185 (≥) 132 (≥) 21 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade R30700

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
913 (≥) 839 (≥) 42 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
677 166 444
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