SUH660 Stainless Steels

SUH660 - Specification & Application

CNS standard heat resistant steel bar steel grade and chemical composition

Chemical composition(wt.%) of SUH660 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.040
S - 0.030
Cr 13.00 16.00
Ni 24.00 27.00
Mo 1.00 1.50
N - -
Al - 0.35
Ti 1.90 2.35
V 0.10 0.50
B 0.001 0.010

SUH660 - Detail

CNS standard heat resistant steel bar steel grade and chemical composition

Mechanical properties of grade SUH660

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)
992 (≥) 871 (≥) 31 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade SUH660

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
986 (≥) 384 (≥) 42 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
985 938 465

Equivalent Grade

Equivalent Products

We can customize the production of SUH660 grade, contact us for the best solution.
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