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China YB RQTSi5.5 烧结机篦条技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RQTSi5.5 / RQTSi5.5
Category Grade Standard Region/Area Standard Content
Metals RQTSi5.5 YB/T 088 China 烧结机篦条技术条件

Chemical composition(mass fraction)(wt.%) of the RQTSi5.5

Element Min Max Similar
Mg 0.0300 0.0800 -
RE 0.0200 0.0500 -
P - 0.1000 -
S - 0.0300 -
Mn - 0.7000 -
Si 5.0000 6.0000 -
C 2.4000 3.2000 -

Mechanical Properties of steel grade RQTSi5.5

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)
211 (≥) 166 (≥) 22 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade RQTSi5.5

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
24 - -     0.23 -  
658 595 - 33.3 442   -  
279 - 24 41.2   341 242

Heat Treatment of steel grade RQTSi5.5

Heat treated : 1521°C - 1851°C

Technological Curves of steel grade RQTSi5.5

Cross Reference Table (Equivalent Grade) of RQTSi5.5

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