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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)
448 (≥) 931 (≥) 13 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

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
21 - -     0.44 -  
569 416 - 44.3 224   -  
379 - 22 31.2   324 343

Heat Treatment of steel grade 1.8887 + Q

Heat treated : 1729°C - 1776°C

Technological Curves of steel grade 1.8887 + Q

Cross Reference Table (Equivalent Grade) of 1.8887 + Q

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