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Australia AS E6918-M 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: E6918-M / E6918-M
Category Grade Standard Region/Area Standard Content
Metals E6918-M 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 E6918-M

Element Min Max Similar

Mechanical Properties of steel grade E6918-M

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)
679 (≥) 198 (≥) 23 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade E6918-M

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
14 - -     0.34 -  
423 774 - 32.3 431   -  
172 - 34 44.2   212 324

Heat Treatment of steel grade E6918-M

Heat treated : 1113°C - 1669°C

Technological Curves of steel grade E6918-M

Cross Reference Table (Equivalent Grade) of E6918-M

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