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EU EN 1.7219 承压无缝钢管 - 交货技术条件 - 第4部分:规定低温性能的非合金及合金钢管。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.7219 / 1.7219
Category Grade Standard Region/Area Standard Content
Metals 1.7219 EN 10216-4 EU 承压无缝钢管 - 交货技术条件 - 第4部分:规定低温性能的非合金及合金钢管。

Chemical composition(mass fraction)(wt.%) of the 1.7219

Element Min Max Similar

Mechanical Properties of steel grade 1.7219

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)
794 (≥) 451 (≥) 44 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 1.7219

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 - -     0.31 -  
587 461 - 41.3 111   -  
191 - 24 34.2   311 123

Heat Treatment of steel grade 1.7219

Heat treated : 1673°C - 1589°C

Technological Curves of steel grade 1.7219

Cross Reference Table (Equivalent Grade) of 1.7219

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