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America AWS E240 手工电弧焊用不锈钢焊条标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E240 / E 240
Category Grade Standard Region/Area Standard Content
Metals E 240 AWS A5.4/A5.4M America 手工电弧焊用不锈钢焊条标准

Chemical composition(mass fraction)(wt.%) of the E 240

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0300 -
Ni 4.0000 6.0000 -
N 0.1000 0.3000 -
Mo - 0.7500 -
Mn 10.5000 13.5000 -
Cu - 0.7500 -
Cr 17.0000 19.0000 -
C - 0.0500 -

Mechanical Properties of steel grade E 240

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)
949 (≥) 953 (≥) 12 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade E 240

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
43 - -     0.42 -  
445 651 - 12.3 412   -  
324 - 44 24.2   443 343

Heat Treatment of steel grade E 240

Heat treated : 1277°C - 1954°C

Technological Curves of steel grade E 240

Cross Reference Table (Equivalent Grade) of E 240

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