STS440A Stainless Steels to D 3698 (2008)

STS440A - Specification & Application

  • D 3698 (2008) - Cold rolled stainless steel plates, sheets and strip
  • D 3705 (2008) - Hot rolled stainless steel plates, sheets and strip
  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS440A grade: to D 3698 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.60 0.75
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 16.00 18.00
Ni - 0.60
Mo - 0.75
N - -

STS440A - Detail

Stainless steel bars

Mechanical properties of grade STS440A D 3698 (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)
645 (≥) 619 (≥) 33 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical properties of grade STS440A D 3698 (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
938 (≥) 579 (≥) 24 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
241 943 162

Equivalent Grade

Equivalent Products

We can customize the production of STS440A grade, contact us for the best solution.
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