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EU EN 1.7706 Steel castings for pressure purposes的交货技术条件 - 第2部分:在室温和高温下使用的钢种 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.7706 / 1.7706
Category Grade Standard Region/Area Standard Content
Metals 1.7706 EN 10213-2 EU Steel castings for pressure purposes的交货技术条件 - 第2部分:在室温和高温下使用的钢种

Chemical composition(mass fraction)(wt.%) of the 1.7706

Element Min Max Similar
V 0.2000 0.3000 -
Sn - 0.0250 -
Si - 0.6000 -
S - 0.0150 -
P - 0.0200 -
Mo 0.9000 1.1000 -
Mn 0.5000 0.9000 -
Cr 1.2000 1.5000 -
C 0.1500 0.2000 -

Mechanical Properties of steel grade 1.7706

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)
396 (≥) 261 (≥) 42 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 1.7706

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
24 - -     0.34 -  
348 587 - 24.3 124   -  
481 - 14 22.2   212 134

Heat Treatment of steel grade 1.7706

Heat treated : 1693°C - 1745°C

Technological Curves of steel grade 1.7706

Cross Reference Table (Equivalent Grade) of 1.7706

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