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America UNS K11125 Steel Electrode (ER70S-7) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K11125 / K11125
Category Grade Standard Region/Area Standard Content
Metals K11125 -- America Steel Electrode (ER70S-7)

Chemical composition(mass fraction)(wt.%) of the K11125

Element Min Max Similar
Si 0.5000 0.8000 -
S - 0.0350 -
P - 0.0250 -
Mn 1.5000 2.0000 -
Cu - 0.5000 -
C 0.0700 0.1500 -

Mechanical Properties of steel grade K11125

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)
773 (≥) 217 (≥) 22 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade K11125

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
14 - -     0.44 -  
683 871 - 42.3 433   -  
475 - 32 32.2   212 412

Heat Treatment of steel grade K11125

Heat treated : 1748°C - 1899°C

Technological Curves of steel grade K11125

Cross Reference Table (Equivalent Grade) of K11125

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