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L360QO/X52QO

China SY/T L360QO/X52QO 海底管道用大口径无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L360QO/X52QO / L360QO/X52QO
Category Grade Standard Region/Area Standard Content
Metals L360QO/X52QO SY/T 7044 China 海底管道用大口径无缝钢管

Chemical composition(mass fraction)(wt.%) of the L360QO/X52QO

Element Min Max Similar
CEpcm - 0.2300 -
Cr - 0.3000 -
Mo - 0.3500 -
Ni - 0.5000 -
Cu - 0.3500 -
S - 0.0030 -
P - 0.0150 -
Mn - 1.3500 -
C - 0.1200 -
B - 0.0005 -
Mo - 0.5000 -
Cr - 0.5000 -
Ni - 0.5000 -
Cu - 0.5000 -
Nb+V+Ti - 0.1200 -
Pcm - 0.2300 -
CE - 0.3900 -
Ti - 0.0400 -
Nb - 0.0400 -
V - 0.0700 -
S - 0.0050 -
P - 0.0150 -
Mn - 1.6500 -
Si - 0.4500 -
C - 0.1600 -

Mechanical Properties of steel grade L360QO/X52QO

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)
288 (≥) 952 (≥) 23 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade L360QO/X52QO

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
32 - -     0.21 -  
179 925 - 13.3 422   -  
838 - 43 32.2   241 213

Heat Treatment of steel grade L360QO/X52QO

Heat treated : 1626°C - 1651°C

Technological Curves of steel grade L360QO/X52QO

Cross Reference Table (Equivalent Grade) of L360QO/X52QO

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