STR409L Stainless Steels to D 3732 (2002)

STR409L - Specification & Application

  • D 3732 (2002) - Heat - resisting steel plates and sheets

Heat - resisting steel plates and sheets

Chemical composition(wt.%) of STR409L grade: to D 3732 (2002)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 1.00
P - 0.04
S - 0.03
Cr 10.50 11.75
Ni - 0.60
Mo - -
N - -
Ti 6×C% 0.75

STR409L - Detail

Heat - resisting steel plates and sheets

Mechanical properties of grade STR409L D 3732 (2002)

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)
668 (≥) 693 (≥) 14 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade STR409L D 3732 (2002)

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
111 (≥) 153 (≥) 22 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
151 771 364

Equivalent Grade

Equivalent Products

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