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E6218-3M2

China GB E6218-3M2 高强钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E6218-3M2 / E6218-3M2
Category Grade Standard Region/Area Standard Content
Metals E6218-3M2 GB/T 32533 China 高强钢焊条

Chemical composition(mass fraction)(wt.%) of the E6218-3M2

Element Min Max Similar
Mo 0.2500 0.4500 -
Ni - 0.9000 -
S - 0.0300 -
P - 0.0300 -
Si - 0.8000 -
Mn 1.0000 1.7500 -
C - 0.1200 -

Mechanical Properties of steel grade E6218-3M2

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)
556 (≥) 592 (≥) 31 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade E6218-3M2

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
42 - -     0.34 -  
584 123 - 24.3 112   -  
512 - 14 34.2   124 134

Heat Treatment of steel grade E6218-3M2

Heat treated : 1454°C - 1487°C

Technological Curves of steel grade E6218-3M2

Cross Reference Table (Equivalent Grade) of E6218-3M2

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