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America ASME ECB3 埋弧焊用低合金钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ECB3 / ECB3
Category Grade Standard Region/Area Standard Content
Metals ECB3 ASME SFA-5.23/SFA-5.23M America 埋弧焊用低合金钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the ECB3

Element Min Max Similar
Si - 0.8000 -
S - 0.0300 -
P - 0.0300 -
Mo 0.9000 1.2000 -
Mn - 1.2000 -
Cu - 0.3500 -
Cr 2.0000 2.5000 -
C 0.0500 0.1500 -

Mechanical Properties of steel grade ECB3

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)
895 (≥) 627 (≥) 43 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade ECB3

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
33 - -     0.33 -  
468 883 - 23.3 342   -  
466 - 34 11.2   342 242

Heat Treatment of steel grade ECB3

Heat treated : 1384°C - 1531°C

Technological Curves of steel grade ECB3

Cross Reference Table (Equivalent Grade) of ECB3

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