440A Stainless Steels to G3067

440A - Specification & Application

  • G3067 - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of 440A grade: to G3067

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

440A - Detail

Stainless steel bars

Mechanical properties of grade 440A G3067

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)
498 (≥) 582 (≥) 42 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade 440A G3067

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
828 (≥) 588 (≥) 22 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 331
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
573 581 395
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