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1.8887 + Q

EU EN 1.8887+Q 固定近海结构的可焊接结构钢 - 交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.8887+Q / 1.8887 + Q
Category Grade Standard Region/Area Standard Content
Metals 1.8887 + Q EN 10225 EU 固定近海结构的可焊接结构钢 - 交货技术条件

Chemical composition(mass fraction)(wt.%) of the 1.8887 + Q

Element Min Max Similar

Mechanical Properties of steel grade 1.8887 + Q

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)
779 (≥) 625 (≥) 32 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1.8887 + Q

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
42 - -     0.41 -  
354 153 - 42.3 443   -  
184 - 11 23.2   424 234

Heat Treatment of steel grade 1.8887 + Q

Heat treated : 1736°C - 1865°C

Technological Curves of steel grade 1.8887 + Q

Cross Reference Table (Equivalent Grade) of 1.8887 + Q

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