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ERFeCr-A3A

America AWS ERFeCr-A3A 堆焊用组合填充丝和焊条标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERFeCr-A3A / ERFeCr-A3A
Category Grade Standard Region/Area Standard Content
Metals ERFeCr-A3A AWS A5.21 America 堆焊用组合填充丝和焊条标准

Chemical composition(mass fraction)(wt.%) of the ERFeCr-A3A

Element Min Max Similar
Total others - 1.0000 -
Si 0.5000 2.0000 -
S - 0.0350 -
P - 0.0350 -
Mn 1.5000 3.5000 -
Cr 14.0000 20.0000 -
C 2.5000 3.5000 -

Mechanical Properties of steel grade ERFeCr-A3A

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)
634 (≥) 519 (≥) 22 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade ERFeCr-A3A

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
22 - -     0.33 -  
549 263 - 14.3 321   -  
545 - 22 12.2   441 321

Heat Treatment of steel grade ERFeCr-A3A

Heat treated : 1325°C - 1278°C

Technological Curves of steel grade ERFeCr-A3A

Cross Reference Table (Equivalent Grade) of ERFeCr-A3A

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