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B618 705.0

America ASTM B618705.0 铝合金熔模铸件技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B618705.0 / B618 705.0
Category Grade Standard Region/Area Standard Content
Metals B618 705.0 ASTM B618/B618M America 铝合金熔模铸件技术规范

Chemical composition(mass fraction)(wt.%) of the B618 705.0

Element Min Max Similar

Mechanical Properties of steel grade B618 705.0

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)
488 (≥) 296 (≥) 11 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade B618 705.0

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 - -     0.21 -  
853 431 - 24.3 342   -  
658 - 31 23.2   331 112

Heat Treatment of steel grade B618 705.0

Heat treated : 1659°C - 1185°C

Technological Curves of steel grade B618 705.0

Cross Reference Table (Equivalent Grade) of B618 705.0

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