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ERFeCr-A9

America AWS ERFeCr-A9 堆焊用组合填充丝和焊条标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERFeCr-A9 / ERFeCr-A9
Category Grade Standard Region/Area Standard Content
Metals ERFeCr-A9 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-A9

Element Min Max Similar

Mechanical Properties of steel grade ERFeCr-A9

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)
233 (≥) 418 (≥) 44 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade ERFeCr-A9

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
11 - -     0.33 -  
596 997 - 32.3 132   -  
649 - 31 14.2   131 344

Heat Treatment of steel grade ERFeCr-A9

Heat treated : 1522°C - 1599°C

Technological Curves of steel grade ERFeCr-A9

Cross Reference Table (Equivalent Grade) of ERFeCr-A9

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