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China YB Q325LK 钢铁冶炼工艺炉炉壳用钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q325LK / Q325LK
Category Grade Standard Region/Area Standard Content
Metals Q325LK YB/T 4281 China 钢铁冶炼工艺炉炉壳用钢板

Chemical composition(mass fraction)(wt.%) of the Q325LK

Element Min Max Similar
Als 0.0100 - -
N - 0.0080 -
Mo - 0.6000 -
Ti - 0.0350 -
V - 0.1500 -
Nb - 0.0400 -
Cu - 0.3500 -
Cr - 0.2500 -
Ni - 0.2500 -
S - 0.0150 -
P - 0.0250 -
Mn - 1.6000 -
Si - 0.5500 -
C - 0.1800 -

Mechanical Properties of steel grade Q325LK

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)
889 (≥) 965 (≥) 42 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade Q325LK

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
33 - -     0.34 -  
333 614 - 41.3 111   -  
214 - 42 43.2   233 142

Heat Treatment of steel grade Q325LK

Heat treated : 1482°C - 1284°C

Technological Curves of steel grade Q325LK

Cross Reference Table (Equivalent Grade) of Q325LK

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