ER 409Cb Stainless Steels to SFA-5.9/SFA-5.9M

ER 409Cb - Specification & Application

  • SFA-5.9/SFA-5.9M - Bare Stainless Steel Welding Electrodes and Rods

Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(wt.%) of ER 409Cb grade: to SFA-5.9/SFA-5.9M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.06
Si - 1.00
Mn - 1.00
P - 0.045
S - 0.04
Ni - 0.50
Cr 10.50 11.75
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - -
V - -

ER 409Cb - Detail

Bare Stainless Steel Welding Electrodes and Rods

Mechanical properties of grade ER 409Cb SFA-5.9/SFA-5.9M

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)
141 (≥) 793 (≥) 12 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical properties of grade ER 409Cb SFA-5.9/SFA-5.9M

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
351 (≥) 821 (≥) 43 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
917 131 817

Equivalent Products

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