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China YS HAl77-2 铜及铜合金U型管(U-Bend seamless copper and copper alloys tubes) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HAl77-2 / HAl77-2
Category Grade Standard Region/Area Standard Content
Metals HAl77-2 YS/T 911 China 铜及铜合金U型管(U-Bend seamless copper and copper alloys tubes)

Chemical composition(mass fraction)(wt.%) of the HAl77-2

Element Min Max Similar
Zn - - -
Pb - 0.0700 -
Others total - 0.6000 -
Fe - 0.0600 -
Cu 76.0000 79.0000 -
As 0.0200 0.0600 -
Al 1.8000 2.5000 -
Total Others - 0.6000 -
Zn - - -
As 0.0200 0.0600 -
Al 1.8000 2.5000 -
Pb - 0.0700 -
Fe - 0.0600 -
Cu 76.0000 79.0000 -

Mechanical Properties of steel grade HAl77-2

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)
587 (≥) 694 (≥) 21 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade HAl77-2

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
44 - -     0.24 -  
437 748 - 12.3 332   -  
314 - 43 44.2   413 422

Heat Treatment of steel grade HAl77-2

Heat treated : 1957°C - 1184°C

Technological Curves of steel grade HAl77-2

Cross Reference Table (Equivalent Grade) of HAl77-2

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