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America ASTM B280DHP 空气调节及制冷设备用无缝铜管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B280DHP / B280 DHP
Category Grade Standard Region/Area Standard Content
Metals B280 DHP ASTM B280 America 空气调节及制冷设备用无缝铜管

Chemical composition(mass fraction)(wt.%) of the B280 DHP

Element Min Max Similar
Cu 99.9000 - -
P 0.0150 0.0400 -

Mechanical Properties of steel grade B280 DHP

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)
425 (≥) 552 (≥) 31 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade B280 DHP

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 - -     0.13 -  
758 538 - 23.3 222   -  
638 - 12 12.2   444 233

Heat Treatment of steel grade B280 DHP

Heat treated : 1543°C - 1255°C

Technological Curves of steel grade B280 DHP

Cross Reference Table (Equivalent Grade) of B280 DHP

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