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E7816-N4CM2

China GB E7816-N4CM2 高强钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E7816-N4CM2 / E7816-N4CM2
Category Grade Standard Region/Area Standard Content
Metals E7816-N4CM2 GB/T 32533 China 高强钢焊条

Chemical composition(mass fraction)(wt.%) of the E7816-N4CM2

Element Min Max Similar
Mo 0.2500 0.5500 -
Cr 0.1000 0.4000 -
Ni 1.5000 2.1000 -
S - 0.0300 -
P - 0.0300 -
Si - 0.8000 -
Mn 1.2000 1.8000 -
C - 0.1200 -

Mechanical Properties of steel grade E7816-N4CM2

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)
349 (≥) 129 (≥) 31 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade E7816-N4CM2

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
44 - -     0.33 -  
393 692 - 24.3 133   -  
128 - 42 11.2   231 122

Heat Treatment of steel grade E7816-N4CM2

Heat treated : 1921°C - 1639°C

Technological Curves of steel grade E7816-N4CM2

Cross Reference Table (Equivalent Grade) of E7816-N4CM2

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