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019Cr22CuNbTi

China GB 019Cr22CuNbTi 给水加热器用铁素体不锈钢焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 019Cr22CuNbTi / 019Cr22CuNbTi
Category Grade Standard Region/Area Standard Content
Metals 019Cr22CuNbTi GB/T 30065 China 给水加热器用铁素体不锈钢焊接钢管

Chemical composition(mass fraction)(wt.%) of the 019Cr22CuNbTi

Element Min Max Similar
Ti+Nb 0.5000 0.8000 -
N - 0.0250 -
Cu 0.3000 0.8000 -
Cr 20.0000 23.0000 -
Ni - 0.6000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0300 -
Mn - 1.0000 -
C - 0.0250 -
Ti、Nb、Zr或其组合 0.4000 0.8000 -
N - 0.0250 -
Cu 0.3000 0.8000 -
Cr 20.0000 23.0000 -
Ni - 0.6000 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0300 -
Mn - 1.0000 -
C - 0.0250 -

Mechanical Properties of steel grade 019Cr22CuNbTi

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)
155 (≥) 876 (≥) 41 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 019Cr22CuNbTi

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
34 - -     0.13 -  
272 986 - 31.3 322   -  
374 - 23 34.2   341 332

Heat Treatment of steel grade 019Cr22CuNbTi

Heat treated : 1324°C - 1888°C

Technological Curves of steel grade 019Cr22CuNbTi

Cross Reference Table (Equivalent Grade) of 019Cr22CuNbTi

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