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Australia AS E4818-W Covered electrodes for welding - Part 2: Low and intermediate alloy steel electrodes for manual metal-arc welding of carbon steels and low and intermediate alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E4818-W / E4818-W
Category Grade Standard Region/Area Standard Content
Metals E4818-W AS/NZS 1553.2 Australia Covered electrodes for welding - Part 2: Low and intermediate alloy steel electrodes for manual metal-arc welding of carbon steels and low and intermediate alloy steels

Chemical composition(mass fraction)(wt.%) of the E4818-W

Element Min Max Similar

Mechanical Properties of steel grade E4818-W

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)
821 (≥) 373 (≥) 24 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade E4818-W

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 - -     0.12 -  
173 632 - 33.3 234   -  
732 - 24 34.2   344 334

Heat Treatment of steel grade E4818-W

Heat treated : 1987°C - 1239°C

Technological Curves of steel grade E4818-W

Cross Reference Table (Equivalent Grade) of E4818-W

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