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E6918-N3M2

China GB E6918-N3M2 高强钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E6918-N3M2 / E6918-N3M2
Category Grade Standard Region/Area Standard Content
Metals E6918-N3M2 GB/T 32533 China 高强钢焊条

Chemical composition(mass fraction)(wt.%) of the E6918-N3M2

Element Min Max Similar
V - 0.0500 -
Mo 0.2500 0.5000 -
Cr - 0.3500 -
Ni 1.4000 2.1000 -
S - 0.0300 -
P - 0.0300 -
Si - 0.6000 -
Mn 0.7500 1.7000 -
C - 0.1000 -

Mechanical Properties of steel grade E6918-N3M2

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)
197 (≥) 799 (≥) 22 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade E6918-N3M2

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 - -     0.21 -  
956 924 - 14.3 423   -  
711 - 43 41.2   432 141

Heat Treatment of steel grade E6918-N3M2

Heat treated : 1719°C - 1677°C

Technological Curves of steel grade E6918-N3M2

Cross Reference Table (Equivalent Grade) of E6918-N3M2

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