STS440F Stainless Steels to D 3706 (2008)

STS440F - Specification & Application

  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS440F grade: to D 3706 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.20
Si - 1.00
Mn - 1.25
P - 0.060
S - 0.15
Cr 16.00 18.00
Ni - 0.60
Mo - 0.75
N - -

STS440F - Detail

Stainless steel bars

Mechanical properties of grade STS440F D 3706 (2008)

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)
829 (≥) 152 (≥) 41 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical properties of grade STS440F D 3706 (2008)

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
513 (≥) 795 (≥) 32 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
766 373 458

Equivalent Grade

Equivalent Products

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