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ER 409Cb

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A 959 Type 409Cb ER 409Cb
#409Cb

Description

USA AMS SFA-5.9/SFA-5.9M, ER 409Cb Specialsteel Bare Stainless Steel Welding Electrodes and Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ER 409Cb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ER 409Cb Precipitation-Hardening AMS USA Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(mass fraction)(wt.%) of the ER 409Cb

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.06 ≤1.00 ≤1.00 ≤0.045 ≤0.04 ≤0.50 10.50 -11.75 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade ER 409Cb

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
624 (≥) 523 (≥) 44 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade ER 409Cb

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.43 -  
842 929 - 23.3 413   -  
735 - 33 34.2   443 122

Heat Treatment of steel grade ER 409Cb

Heat treated : 1669°C - 1558°C

Technological Curves of steel grade ER 409Cb

Cross Reference Table (Equivalent Grade) of ER 409Cb

Grade Standard Country Application
409Cb
409Cb
409Cb
AWS ER409Cb

Relevant standard of ER 409Cb

SFA-5.9/SFA-5.9M Bare Stainless Steel Welding Electrodes and Rods SFA-5-9-SFA-5-9M.pdf
A 959 Type 409Cb ER 409Cb
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