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Germany DIN R290 铜及铜合金 - 水和气体在烧结和加热应用的无缝圆铜管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R290 / R290
Category Grade Standard Region/Area Standard Content
Metals R290 DIN EN 1057 Germany 铜及铜合金 - 水和气体在烧结和加热应用的无缝圆铜管

Chemical composition(mass fraction)(wt.%) of the R290

Element Min Max Similar

Mechanical Properties of steel grade R290

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)
853 (≥) 355 (≥) 34 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade R290

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
12 - -     0.24 -  
578 648 - 41.3 214   -  
757 - 41 34.2   141 411

Heat Treatment of steel grade R290

Heat treated : 1423°C - 1379°C

Technological Curves of steel grade R290

Cross Reference Table (Equivalent Grade) of R290

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